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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 106. Отображено 100.
22-10-2015 дата публикации

METHOD FOR GENERATING PREAMBLE SYMBOL, METHOD FOR RECEIVING PREAMBLE SYMBOL, METHOD FOR GENERATING FREQUENCY DOMAIN SYMBOL, AND APPARATUSES

Номер: WO2015158292A1
Автор: ZHANG, WenJun, XING, Guanbin, HUANG, Ge, XU, Hongliang, HE, Dazhi, GUAN, Yunfeng
Принадлежит:

The present invention provides a method for generating a preamble symbol, a method for receiving a preamble symbol, a related method for generating a frequency domain symbol, and apparatuses thereof. The methods are characterized by comprising: generating a cyclic prefix according to an extracted part of a time domain main signal; generating a modulation signal according to the whole or a part of the extracted part of the time domain main signal; and generating time domain symbols according to at least one of the cyclic prefix, the time domain main signal and the modulation signal, the preamble symbol comprising at least one of the time domain symbols. Therefore, when the prefix is generated according to the whole or a part of a certain length of the time domain main signal, coherent detection can be implemented, which solves the problems of degradation of non-coherent detection performance and differential decoding failure under a complex frequency selective fading channel, and when the ...

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Номер записи: 1
30-08-2018 дата публикации

ULTRA-DISPERSED NANODIAMONDS AND PREPARATION METHOD THEREFOR

Номер: WO2018152787A1
Автор: TANG, Yongbing, WANG, Tao, ZHANG, Wenjun, LI, Zhensheng
Принадлежит:

Disclosed is a method for preparing ultra-dispersed nanodiamonds, comprising: (1) adding an organic acid or an amine group-containing compound to water or ethanol to obtain a pretreatment liquid, wherein the organic acid comprises one or more of oxalic acid and citric acid, and the amine group-containing compound is selected from one or more of glutamic acid and aspartic acid and aliphatic amines having 2 to 5 carbon atoms; and (2) adding the nanodiamond raw powder to the pretreatment liquid for ultrasonic dispersion, followed by centrifugation, and collecting the supernatant to obtain the ultra-dispersed nanodiamond suspension with a particle size of less than 50 nm. The method can obtain ultra-dispersed nanodiamonds uniformly dispersed in the solution and having a hydration particle size in a smaller range, and can also regulate the surface potential of the obtained nanodiamonds, and is especially suitable in the fields of diamond thin film growth, composite materials and biological medicine ...

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Номер записи: 2
21-02-2013 дата публикации

一种假诺卡氏菌及利用其制备Deoxynyboquinone的方法

Номер: WO2013023391A1
Автор: ZHANG, Si, ZHANG, Changsheng, TIAN, Xinpeng, LI, Sumei, ZHANG, Wenjun, ZHANG, Haibo, ZHANG, Guangtao, YIN, Hao, JU, Jianhua
Принадлежит:

Disclosed are a Pseudonocardia sp. and a method for preparing deoxynyboquinone by the same. Pseudonocardia sp. SCSIO 01299 was deposited on July 18, 2011, at the China Center for Type Culture Collection (CCTCC), address: Wuhan University, Wuhan, China, with the deposit number CCTCC NO: M 2011255. Pseudonocardia sp. SCSIO 01299 is able to produce an antibiotic deoxynyboquinone, so Pseudonocardia sp. SCSIO 01299 can be used to prepare deoxynyboquinone, thereby providing a new way for production of the antibiotic deoxynyboquinone having the anti-tumor activity.

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Номер записи: 3
22-10-2015 дата публикации

METHOD FOR GENERATING PREAMBLE SYMBOL, METHOD FOR RECEIVING PREAMBLE SYMBOL, METHOD FOR GENERATING FREQUENCY DOMAIN SYMBOL, AND APPARATUSES

Номер: WO2015158293A1
Автор: ZHANG, Wenjun, XING, Guanbin, HUANG, Ge, XU, Hongliang
Принадлежит:

The present invention provides a method for generating a preamble symbol, a method for receiving a preamble symbol, a related method for generating a frequency domain symbol, and apparatuses thereof. The methods are characterized by comprising: generating a prefix according to an extracted part of a time domain main signal; generating a super-prefix according to the whole or a part of the part of the time domain main signal; and generating time domain symbols according to at least one of a cyclic prefix, the time domain main signal, and the super-prefix, the preamble symbol comprising at least one of the time domain symbols. Therefore, when the prefix is generated according to the whole or a part of a certain length of the time domain main signal, coherent detection can be implemented, which solves the problems of degradation of non-coherent detection performance and differential decoding failure under a complex frequency selective fading channel, and when the super-prefix is generated ...

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Номер записи: 4
22-10-2015 дата публикации

METHOD AND APPARATUS FOR RECEIVING PREAMBLE SYMBOL

Номер: WO2015158295A1
Автор: HUANG, Ge, XU, Hongliang, XING, Guanbin, ZHANG, Wenjun, GUAN, Yunfeng, HE, Dazhi
Принадлежит:

The present invention provides a method for receiving a preamble symbol and a related apparatus. The present invention is characterized in that the received preamble symbol comprises a time domain symbol generated by a sending end according to a predetermined generation rule and by using a single three-segment structure; and the single three-segment structure comprises a time domain main signal, a prefix generated based on the whole or a part of the time domain main signal, and a suffix or super-prefix generated based on the whole or a part of the time domain main signal. Therefore, when the prefix is generated based on the whole or a part of a certain length of the time domain main signal, coherent detection can be implemented, which solves the problems of degradation of non-coherent detection performance and differential decoding failure under a complex frequency selective fading channel, and when a modulation signal of the suffix or super-prefix is generated based on the extracted whole ...

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Номер записи: 5
22-08-2023 дата публикации

Relationship graph rendering method and device, equipment, medium and program product

Номер: CN116630502A
Автор: ZHANG WENJUN
Принадлежит:

The embodiment of the invention discloses a relational graph rendering method and device, equipment, a medium and a program product. A specific embodiment of the method comprises the following steps: grouping elements in a to-be-processed relational graph according to element types to obtain a plurality of element groups; for each element group in the plurality of element groups, grouping according to the styles of the elements in the element groups to obtain a plurality of element subgroups; for each element subgroup in the plurality of element subgroups, determining a rendering component corresponding to the element subgroup; and for each element sub-group in the plurality of element sub-groups, integrally rendering the element sub-groups by using the rendering components corresponding to the element sub-groups. The implementation mode is related to graph visualization, the rendering performance is improved, and jamming during large graph rendering is avoided.

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Номер записи: 6
25-07-2023 дата публикации

Neutral atom quantum bit control system and method based on real-time calculation

Номер: CN116484961A
Автор: WANG SHUAI, ZHANG WENJUN, MEI SHUYAO, WANG YUQING, ZHANG TAO, HU JIAZHONG, CHEN WENLAN
Принадлежит:

The invention relates to a neutral atom quantum bit control system and method based on real-time calculation. The neutral atom quantum bit control system comprises an image acquisition device, a control device, a digital-to-analog conversion device, an analog front-end device and an acousto-optic control device, the image acquisition device is used for acquiring a fluorescence image of an atomic array and sending the fluorescence image to the control device; the control device performs pipelined real-time calculation according to the fluorescence image of the atom array to obtain an initial atom arrangement condition of each row of the atom array, and generates a digital waveform corresponding to a movement strategy of each step when atoms of each row of the atom array are rearranged according to the initial atom arrangement condition; the digital-to-analog conversion device converts a digital waveform into an analog waveform and then sends the analog waveform to the acousto-optic control ...

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Номер записи: 7
17-08-2021 дата публикации

Alignment method suitable for roller casting

Номер: CN113263155A
Автор: LIN WEI, GU QING, ZHANG WENJUN, ZHOU LIANLIAN, BAI ZHENHUA, 林威, 顾清, 张文军, 周莲莲, 白振华
Принадлежит:

The invention discloses an alignment method suitable for roller casting, and relates to the technical field of roller casting. The alignment method suitable for roller casting comprises the following steps of: scanning a roller casting mold in real time; extracting the outer contour of the roller casting mold from the scanned image to form a corresponding three-dimensional model; performing horizontal precision deviation correction on the roller casting mold; performing vertical precision deviation correction on the roller casting mold; calculating the circumcircle diameter of each section of roller casting mold; finding out the closest mold forging according to the calculated circumcircle diameter parameter of each section of the roller casting mold, and displaying the circumcircle and the circle center; detecting whether the circle centers of the circumcircles of the three sections of roller casting mold coincide or not, and if yes, indicating that the placement of the three sections ...

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Номер записи: 8
31-03-2004 дата публикации

一种利用双导频实现数字化传输中的载波恢复的装置

Номер: CN0001144438C
Автор: ZHANG WENJUN, XIA JINSONG, WENJUN ZHANG, JINSONG XIA, 张文军
Принадлежит:

... 本发明公开了一种利用双导频实现数字化传输中的载波恢复的装置。与现有载波恢复装置相比，该装置的两个下变频单元都配有低通滤波器和限幅器，两个APC低通滤波器输出的直流信号由加法器线性相加后用于控制两个变频单元的振荡器，从而实现载波恢复。该装置能够不受上下导频信号相对幅度的影响而准确地实现载波恢复，适用范围广。 ...

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Номер записи: 9
22-10-2015 дата публикации

METHOD FOR GENERATING PREAMBLE SYMBOL, METHOD FOR RECEIVING PREAMBLE SYMBOL, METHOD FOR GENERATING FREQUENCY DOMAIN SYMBOL, AND APPARATUSES

Номер: WO2015158294A1
Автор: ZHANG, WenJun, HUANG, Ge, XING, Guanbin, XU, Hongliang, GUO, Xufeng, GUAN, Yunfeng, HE, Dazhi
Принадлежит:

The present invention provides a method for generating a preamble symbol, a method for receiving a preamble symbol, a related method for generating a frequency domain symbol, and apparatuses thereof. The generated preamble symbol comprises: a time domain symbol having a first-type three-segment structure; or a time domain symbol having a second-type three-segment structure; or a free combination of several randomly arranged time domain symbols having the first-type three-segment structures and/or several randomly arranged time domain symbols having the second-type three-segment structures. When a prefix is generated according to the whole or a part of a certain length of a time domain main signal, coherent detection can be implemented, which solves the problems of degradation of non-coherent detection performance and differential decoding failure under a complex frequency selective fading channel, and when a suffix or super-prefix is generated according to the whole or a part of the extracted ...

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Номер записи: 10
13-12-2018 дата публикации

METHOD AND APPARATUS FOR PROCESSING VIDEO RESOURCE

Номер: WO2018223833A1
Автор: XU, Yiling, WANG, Yanfeng, ZHANG, Wenjun, LI, Yunqiao, MA, Zhan, WU, Zhao, LI, Ming, WU, Ping
Принадлежит:

Provided are a method and apparatus for processing a video resource. One method comprises: identifying a video type of a video resource to obtain description information about the video resource, wherein the description information comprises at least one of a video mapping method, a video rearrangement method and a video partitioning method, each corresponding to the video resource; and sending the description information to a receiving end of the video resource.

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Номер записи: 11
16-01-2020 дата публикации

BROADCAST SYSTEM-BASED TRANSPORT PROTOCOL CONVERSION METHOD AND SYSTEM

Номер: WO2020011205A1
Автор: XU, Yiling, ZHANG, Wenjun, ZHANG, Ke, LIU, Ning, GUAN, Yunfeng
Принадлежит:

The present invention provides a broadcast system-based transport protocol conversion method and system. The method comprises: encapsulating a media resource into a first protocol packet according to a first protocol; and performing packet conversion on the first protocol packet to obtain a TS packet for network transport. According to the present invention, when new network protocols, such as MMT, are implemented on a broadcast network, an existing infrastructure can be utilized, thereby providing more plentiful and diverse media services with low costs.

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Номер записи: 12
09-01-2014 дата публикации

DIGITAL TELEVISION NETWORK STRUCTURE AND USER TERMINAL

Номер: WO2014005545A1
Автор: ZHANG, WenJun, HE, Dazhi, XU, Yin, GUAN, Yunfeng, WANG, Yanfeng, WANG, Yao, SUN, Jun, DAI, Yang, LIANG, Weiqiang, HUANG, Ge
Принадлежит:

Disclosed are a digital television broadcast system coordinated with a broadband communication network, an information transmission network applied by the broadcast system, a digital television heterogeneous network structure, and a user terminal applicable to each of the above network systems. The broadcast system structures of the present invention all adopt a heterogeneous network design concept of integrating a broadcast network with the other networks, for example, a communication network, an interworking network and the like to form a heterogeneous network structure coordinated with various types of networks, and the usage in a severe condition is also considered, to design a broadcast television system which implements uplink transmission by using a broadcast link. The terminal of the present invention is applicable to these heterogeneous network structures, and is capable of receiving signals transmitted from various networks and using a series of control means to implement flexible ...

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Номер записи: 13
30-05-2023 дата публикации

Industrial Ethernet network communication conversion socket

Номер: CN116184581A
Автор: ZHANG WENJUN
Принадлежит:

The invention relates to the technical field of network communication, and discloses an industrial Ethernet network communication conversion socket, which comprises a socket and a protective cover, an Ethernet mounting seat is fixedly mounted at the rear end of the socket, an optical fiber mounting seat is fixedly mounted at the left end of the socket, a fixed plate is fixedly mounted at the bottom end of the outer side of the socket, a rectangular groove is formed in the fixed plate, and an optical fiber is fixedly mounted in the rectangular groove. Two circular grooves are correspondingly and fixedly formed in the left end and the right end of the interior of the fixed plate, annular grooves are formed in the circular grooves, limiting devices are arranged in the annular grooves, and a sliding device is arranged at the front end of the second moving device. The cover plates on the Ethernet mounting hole, the optical fiber mounting hole and the heat dissipation through hole are opened ...

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Номер записи: 14
22-11-2018 дата публикации

STUDENT MYOPIA CORRECTION GLASSES

Номер: WO2018210009A1
Автор: ZHANG, Wenjun
Принадлежит:

Student myopia correction glasses, comprising an eyeglass frame (1) and eyeglass temples (2); upper eyeglass lenses (3) and lower eyeglass lenses (4) are provided in the eyeglass frame (1); the upper eyeglass lenses (3) and the lower eyeglass lenses (4) are spliced together; blue light preventative coatings are provided on the upper eyeglass lenses (3) and lower eyeglass lenses (4); and the maximum longitudinal length H of the lower eyeglass lenses (4) and the maximum longitudinal length h of the upper eyeglass lenses (3) satisfy: H-h＝3- 6mm. The upper eyeglass lenses (3) and the lower eyeglass lenses (4) are made of vacuum coating resin eyeglass lenses. The coating of the eyeglass lenses can reduce the glare and diffuse reflection generated by a background light source, thereby reducing the interference of various kinds of stray light on the retina, and while ensuring alternative radiation block, reducing chromatic aberration.

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Номер записи: 15
18-06-2020 дата публикации

TITANIUM DIBORIDE/BORON CARBIDE COMPOSITE ELECTRODE, PREPARATION METHOD THEREFOR AND USE THEREOF

Номер: WO2020119579A1
Автор: TANG, Yongbing, XU, Mengqi, YANG, Yang, HU, Yuan, ZHANG, Wenjun
Принадлежит:

Provided are a titanium diboride/boron carbide composite electrode, a preparation method therefor and a use thereof, wherein the titanium diboride/boron carbide composite electrode comprises a substrate and a composite coating provided on the substrate, and the composite coating comprises titanium diboride and boron carbide. A titanium diboride coating can effectively improve the electrical conductivity of the composite coating; in addition, the incorporation of boron carbide can effectively improve the catalytic activity of the composite coating. Therefore, the titanium diboride/boron carbide composite electrode can effectively improve electrical conductivity and catalytic activity, and greatly improve the yield of ammonia gas produced by the electrocatalytic reduction of nitrogen. Also provided is a method for preparing the titanium diboride/boron carbide composite electrode, wherein a titanium diboride/boron carbide composite electrode with an excellent catalytic performance can be prepared ...

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Номер записи: 16
23-05-2023 дата публикации

Supercritical microcellular foaming method cooperatively assisted by microwaves and ultrasonic waves

Номер: CN116141567A
Автор: JIANG XIULEI, YU JIABAO, ZHANG WENJUN, LI QIYUN
Принадлежит:

The invention relates to a supercritical microcellular foaming method cooperatively assisted by microwaves and ultrasonic waves, and belongs to the technical field of foaming. According to the microwave and ultrasonic synergistic assisted supercritical microcellular foaming method provided by the invention, the assistance of microwaves and ultrasonic waves is introduced in a polymer semi-solid microcellular foaming process, the polymer matrix is uniformly, efficiently and stably heated by utilizing the characteristics of uniformity and selectivity of microwave heating, the energy consumption of the process is reduced, and meanwhile, the microcellular foaming efficiency is improved. The production stability is improved, energy conservation and emission reduction in the manufacturing process are achieved, meanwhile, the ultrasonic waves are utilized to cause the cavitation effect of the physical foaming agent in the polymer matrix, the diffusion rate of gas molecules in the polymer matrix ...

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Номер записи: 17
29-08-2023 дата публикации

Data processing method and device, electronic equipment and computer readable storage medium

Номер: CN116661702A
Автор: ZHANG WENJUN, XU CHAO, SHAO TIANDONG, WANG LIANG
Принадлежит:

The embodiment of the invention discloses a data processing method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining a data processing program from a source pasting layer of a data warehouse in response to a data reading request sent by a user side, and obtaining a data storage position from a data storage directory of the source pasting layer; searching in the data storage position by using the data processing program to obtain the packaged data of the Internet of Vehicles; decompressing and analyzing the packaged data of the Internet of Vehicles through the data processing program to obtain target data of the Internet of Vehicles; and sending the Internet of Vehicles target data to the user side. According to the data storage method and device, the data storage position can be obtained from the data storage directory of the source pasting layer to obtain the data, so that the source pasting layer of the data warehouse ...

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Номер записи: 18
17-01-2019 дата публикации

MEDIA CONTENT-BASED ADAPTIVE METHOD, DEVICE AND SYSTEM FOR FEC CODING AND DECODING OF SYSTEMATIC CODE, AND MEDIUM

Номер: WO2019011219A1
Автор: XU, Yiling, ZHANG, Wenjun, LIU, Ning, GUAN, Yunfeng, WANG, Yanfeng, SUN, Jun, JIANG, Zhiqian, CHEN, Hao
Принадлежит:

Provided are a media content-based adaptive method, device and system for FEC coding and decoding of a systematic code, and a medium. The method comprises: according to the importance of media content, dividing source data into N types of source data packets according to priorities; generating N types of intermediate codes according to the N types of source data packets and the priorities thereof; according to the N types of intermediate codes, setting recovery data of N types of source data according to a channel condition, and generating N types of coded symbols of systematic codes; receiving the coded symbols, and sorting and arranging the coded symbols according to decoding requirements; and according to the number of received coded symbols, decoding same to obtain intermediate codewords according to different situations, and recovering corresponding source data packets according to intermediate codewords. According to the present invention, the quality of the media content is ensured ...

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Номер записи: 19
22-02-2018 дата публикации

METHOD AND SYSTEM FOR PERSONALIZED PRESENTATION OF MULTIMEDIA CONTENT ASSEMBLY

Номер: WO2018033051A1
Автор: XU, Yiling, ZHANG, Wenjun, LI, Teng, CHEN, Hao, WANG, Yanfeng, SUN, Jun, LIU, Ning
Принадлежит:

Provided in the present invention are a method and a system for personalized presentation of a multimedia content assembly. The method comprises: at a server end, presenting a media content assembly in a presentation mode using one presentation layer or multiple superimposed presentation layers, and transmitting signaling information describing the layout of the presentation layer(s) to a client; and at the client, presenting the multimedia content assembly in a personalized manner according to the signaling information of the presentation layer(s). The present invention can solve the problem in the service mode that an existing content provider integrates multimedia contents at a source end and then delivers same to a user, so that the content provider can instruct the user to combine and present multi-channel contents on a client device, and to properly adjust the layout by means of a simplified update instruction. In addition, the present invention solves the problem that an existing ...

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Номер записи: 20
18-06-2020 дата публикации

BORON-SILICON CO-DOPED DIAMOND ELECTRODE, PREPARATION METHOD THEREFOR AND USE THEREOF

Номер: WO2020118510A1
Автор: TANG, Yongbing, HU, Yuan, YANG, Yang, XU, Mengqi, ZHANG, Wenjun
Принадлежит:

A boron-silicon co-doped diamond electrode, a preparation method therefor and use thereof. The boron-silicon co-doped diamond electrode comprises a substrate and a boron-silicon co-doped diamond layer provided on the substrate. The boron-silicon co-doped diamond electrode can effectively improve the conductivity of a diamond layer by doping boron element into the diamond layer, and can effectively improve the catalytic activity of the diamond layer by doping silicon element. Therefore, boron-silicon co-doping significantly increases the conductivity and catalytic activity of the diamond electrode, and in turn improves the production of ammonia gas through electrocatalytic nitrogen reduction. A preparation method for a boron-silicon co-doped diamond electrode can prepare a boron-silicon co-doped diamond electrode having excellent catalytic performance by means of simple processes, thereby simplifying preparation steps and reducing costs. Also disclosed are application examples where the ...

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Номер записи: 21
23-06-2023 дата публикации

Tensioning device for winding transformer coil

Номер: CN116313508A
Автор: XU ZHIXIN, ZHANG WENJUN, LI ZHICHENG
Принадлежит:

The invention discloses a tension device for transformer coil winding, and relates to the technical field of coil winding. The device comprises a winding device, the winding device is composed of a mounting plate, the mounting plate is fixedly connected to the top of a workbench, a motor is fixedly mounted on the side, away from the workbench, of the mounting plate, the output end of the motor is fixedly connected with a winding shaft, and supporting legs are fixedly connected to the ends, close to the workbench, of fixing rings; the ends, away from the fixing ring, of the supporting legs are fixedly connected to the top of the workbench, and the two supporting legs are arranged to form an included angle of 45 degrees. A triangle is formed between the two supporting legs and the workbench, the triangle has stability, the situation that the stability of a winding reel fixedly connected to the outer surface of the winding shaft is affected due to the fact that the winding shaft shakes when ...

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Номер записи: 22
11-04-2023 дата публикации

Generative reading understanding method based on multi-task learning

Номер: CN115952261A
Автор: LUO YIN, ZHANG JIAXU, WANG YUQI, WANG ZHANGSHENG, ZHANG LIWEN, CAO JIA, ZHANG WENJUN, LIU LIDUO
Принадлежит:

The invention provides a multi-task learning-based generative reading understanding method. The method comprises the following steps of obtaining a target question and a target paragraph, obtaining feature vectors corresponding to the target question and the target paragraph, inputting the feature vectors into a target reading understanding model, and obtaining a target answer; therefore, the accuracy and reliability of the target answer are improved.

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Номер записи: 23
03-10-2019 дата публикации

BISPECIFIC ANTIBODY AND USES THEREOF

Номер: WO2019184549A1
Автор: ZHANG, Wenjun, CHEN, Cuijuan, WEI, Xuemei, LUO, Tonghui
Принадлежит:

Provided is a novel antibody and a method for treating breast cancer. More specifically, the present invention relates to a bispecific antibody targeting CD3 and a tumor antigen target such as HER2, a preparation method, and uses thereof. The present invention also relates to a composition containing said antibody and a method for treating cancer by using the antibody.

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Номер записи: 24
04-10-2018 дата публикации

SELF-ADAPTIVE FEC CODING MATRIX DESIGN METHOD BASED ON MEDIA CONTENT

Номер: WO2018177348A1
Автор: XU, Yiling, ZHANG, Wenjun, LIU, Ning, GUAN, Yunfeng, WANG, Yanfeng, SUN, Jun, JIANG, Zhiqian, CHEN, Hao
Принадлежит:

Provided is a self-adaptive FEC coding matrix design method based on media content, which is suitable for unequal error protection of a fountain code by means of improving a coding matrix of the fountain code. The method comprises the following two manners: based on unequal error protection of a fountain code, modifying an LT matrix of the fountain code by means of an expanding window fountain code, and obtaining, according to a window selection probability and a degree distribution, a redesigned coding matrix of the fountain code; and based on unequal error protection of a fountain code, distributing different redundancies to source data of different priority levels in a coding matrix of the fountain code, and obtaining a redesigned coding matrix of the fountain code. With regard to data congestion caused by excessive coding in the current FEC system, the present invention confers different amounts of importance by means of grading media content, uses unequal error protection and reduces ...

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Номер записи: 25
11-08-2016 дата публикации

DYNAMIC TIME WINDOW AND BUFFER MECHANISM IN HETEROGENEOUS NETWORK TRANSMISSION

Номер: WO2016124130A1
Автор: XU, Yiling, ZHANG, Wenjun, WANG, Chengzhi, SUN, Jun, GUAN, Yunfeng, HE, Dazhi, LIU, Ning
Принадлежит:

The present invention provides a dynamic time window and buffer mechanism in heterogeneous network transmission. The method directs at the existing signaling in an MMT, attributes of Available_Time and Asset_Size of a media content are added in the signaling or other places, so that a client terminal is able to know the time when the corresponding media content is available and the size of the media content; at the same time, the client terminal determines the network bandwidth of the current broadband network and the network delay for a content from the broadband to the client terminal, and through the acquirable time of a broadband source content and the delay of the broadband channel, the client terminal calculates the time interval for transmitting a request for buffering in advance and the buffer window size needed by the terminal. The present invention solves the problem that contents composed by broadcast and broadband in a heterogeneous terminal cannot be synchronized due to broadband ...

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Номер записи: 26
14-07-2016 дата публикации

FEC MECHANISM BASED ON MEDIA CONTENTS

Номер: WO2016110275A1
Автор: XU, Yiling, ZHANG, Wenjun, SUN, Jun, TANG, Xuguo, HUANG, Wei, LI, Bo, GUAN, Yunfeng, LIU, Ning
Принадлежит:

The present invention provides an Forward Error Correction (FEC) mechanism based on media contents. The mechanism includes: grading the media contents and giving them different importance values, then changing, according to the importance values of the frames to which packets belong and combining channel conditions and user experiences, the coding schemes for the packets to protect the packets according to the importance values of the frames to which the packets belong. With the technical solution of the present invention, for the data congestion caused by excessive coding in current FEC system, media contents are given different importance values by grading the media contents, signalings and an indicating bit are used for controlling usage of different FEC coding intensities; further, duplication expanding window fountain code with unequal error protection performance is used, and the maximum quality of the media contents is ensured while the great amount of data caused by the FEC is reduced ...

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Номер записи: 27
16-01-2020 дата публикации

MEDIA TRANSPORT METHOD AND SYSTEM IN HETEROGENEOUS NETWORK

Номер: WO2020011208A1
Автор: ZHANG, Wenjun, XU, Yiling, ZHANG, Ke, LIU, Ning, SUN, Jun
Принадлежит:

Provided by the present invention are a media transport method and system in a heterogeneous network, the method comprising: carrying out data mapping and corresponding indication point insertion for media data which has undergone first protocol encapsulation; packaging the media data which has undergone mapping and indication point insertion into a transport stream (TS); and inserting signaling information in the TS. The present invention allows protocols such as MMT to be compatible with a TS when being implemented in a broadcast network, thus allowing a large amount of users which may only receive the TS to be able to continue to enjoy normal media service.

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Номер записи: 28
09-05-2023 дата публикации

AC fault ride-through method, system and device for flexible DC converter, and medium

Номер: CN116094019A
Автор: YAN CHENGSHAN, QIU MINGQUAN, LIU YIN, ZHANG LIJUN, XIN FENG, ZHANG WENJUN, WANG ZHIYONG, ZHANG GUORUI, WANG CHUNLEI, JIN WENJIE, SUN XIAOYI, ZHAO XINYI, WANG JINGXIAO, WANG CHONG, TAO YANYAN
Принадлежит:

The invention belongs to the field of power electronic application, and discloses an alternating-current fault ride-through method, system and equipment of a flexible direct-current converter and a medium, so that power transmission can be ensured to the maximum extent during alternating-current fault ride-through under the condition that an alternating-current power grid has a fault, the transmission power is effectively limited in time, and the fault ride-through efficiency is improved. The condition that the alternating current is too large or the direct current bus voltage fluctuation is too large when a fault is caused is avoided, so that the risk of equipment tripping is reduced, the current and voltage margin of primary equipment is reduced, and the economical efficiency of the equipment is enhanced; comprising the following steps: connecting a two-end flexible DC converter between two stations of an AC power grid, and establishing communication; judging whether the ports at the ...

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Номер записи: 29
28-07-2023 дата публикации

Compact shelf with anti-seismic and shock-absorbing functions

Номер: CN116491768A
Автор: ZHANG WENJUN, YE YOULIANG, XIAO HAIBO, ZHOU WEN, CHEN ZHIJUN, LU JUNHUA, XIE SHUIPING
Принадлежит:

The compact shelf comprises a guide rail, a shelf body, a rotary table, a bottom frame, a connecting shaft and shaft wheels, the rotary table is in transmission connection with the connecting shaft through a transmission mechanism, the section of the guide rail is in an I shape, and a flexible pad is fixedly installed on the upper end face of the guide rail; a ferrule mounting section is reserved between the shaft limiting block and the side check block, the ferrule can rotate relative to the shaft wheel, the side face of the ferrule is fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with one end of a brush plate, and a brush roller capable of rotating relative to the brush plate is mounted at the bottom of the brush plate. The flexible pad structure is arranged on the guide rail, and the counter bore structure is arranged on the rolling side wall of the shaft wheel, so that rigid contact between the guide rail and the shaft wheel ...

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Номер записи: 30
18-08-2016 дата публикации

METHOD FOR IMPLEMENTING PERSONALIZED PRESENTATION OF ASSOCIATED MULTIMEDIA CONTENT, AND APPLICATION

Номер: WO2016127862A1
Автор: XU, Yiling, ZHANG, Wenjun, ZHU, Wenjie, ZHANG, Lianghui, CHEN, Hao, LI, Bo, SUN, Jun, LIU, Ning
Принадлежит:

A method for implementing personalized presentation of associated multimedia content, and an application. The method is specifically: a multimedia content provider completes full file content in a unified manner when creating a multimedia file, and meanwhile grades fragments in the content according to the importance and/or association of the content by means of labeling, so as to produce different versions of multimedia files; and a user performs selective preview and/or play according to the versions. The method is a flexible, efficient and scalable organization, storage and transmission method in an Internet on demand system, so as to add a flexible media content organization mechanism that is absent in existing multimedia protocols, and solve the problems of low transmission efficiency, storage resource waste and poor user experience in existing multimedia systems.

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Номер записи: 31
22-10-2015 дата публикации

METHOD AND APPARATUS FOR RECEIVING PREAMBLE SYMBOL

Номер: WO2015158296A1
Автор: HUANG, Ge, XU, Hongliang, XING, Guanbin, ZHANG, WenJun, GUO, Xufeng
Принадлежит:

The present invention provides a method and an apparatus for receiving a preamble symbol. The method is characterized by comprising the following steps: processing a received signal; judging whether a preamble symbol expected to be received exists in the obtained processed signal; and if yes, determining a position of the preamble symbol and obtaining by parsing signaling information carried in the preamble symbol. The received preamble symbol comprises at least one time domain symbol generated by a sending end according to a predetermined generation rule and by using a free combination of a random number of a first-type three-segment structure and/or a second-type three-segment structure. The first-type three-segment structure comprises a time domain main signal, a prefix generated based on the whole or a part of the time domain main signal, and a suffix generated based on the whole or a part of the part of the time domain main signal. The second-type three-segment structure comprises ...

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Номер записи: 32
22-09-2016 дата публикации

SIGNALLING CODING AND MODULATION METHOD AND DEMODULATION AND DECODING METHOD AND DEVICE

Номер: WO2016146027A1
Автор: ZHANG, Wenjun, SHI, Yijun, HE, Dazhi, HUANG, Ge, XU, Hongliang, WANG, Yao
Принадлежит:

Provided are a signalling coding and modulation method and a demodulation and decoding method and device, characterized in that the method comprises the steps of: extending based on signalling according to an extension pattern table to obtain an extended codeword, and conducting predetermined coding on the extended codeword to obtain a coded codeword; conducting check bit replacement on a check bit portion in the coded codeword and then splicing same into an information bit portion of the coded codeword, to obtain a replaced coded codeword; according to the length of the signalling, punching the replaced coded codeword according to a predetermined punching rule to obtain a punched coded codeword; and conducting bit rotation on a tuple sequence obtained by conducting predetermined processing based on the punched coded codeword, and then mapping same into a signalling symbol according to a predetermined mapping rule.

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Номер записи: 33
03-10-2013 дата публикации

STREPTOMYCES, AND ANTI-TUMOR COMPOUNDS SPIRO-INDIMYCIN A-D AND PREPARATION METHOD AND APPLICATION THEREOF

Номер: WO2013143184A1
Автор: ZHANG, Changsheng, ZHANG, Wenjun, TIAN, Xinpeng, LI, Sumei, ZHANG, Qingbo, MA, Liang, ZHANG, Haibo, ZHANG, Si, JU, Jianhua
Принадлежит:

Provided is a streptomyces (Streptomyces sp.) strain SCSIO 03032, preserved in China Center for Type Culture Collection on July 18, 2011 with the preservation number CCTCC NO: M 2011258. The streptomyces (Streptomyces sp.) strain SCSIO 03032 can be used to produce compounds Spiro-Indimycin A, B, C and D with antineoplastic activity; the compounds not only have a rare spiral structure, but also have selectivity and highly-efficient activity for tumour cells. Further provided are a preparation method and an application of the compounds Spiro-Indimycin A, B, C and D.

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Номер записи: 34
02-05-2019 дата публикации

NANOSCALE DIAMOND NEEDLE STRUCTURE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Номер: WO2019080001A1
Автор: YANG, Yang, TANG, Yongbing, ZHANG, Wenjun
Принадлежит:

A nanoscale diamond needle structure comprises a diamond base layer (1) and a plurality of nanoscale diamond needles (2) extending on a surface of the diamond base layer (1), wherein adjacent nanoscale diamond needles (2) are spaced apart from each other, and a colored core structure (3) is further distributed in the nanoscale diamond needle surface layer. Also included are a preparation method for the nanoscale diamond needle structure and an application of the nanoneedle structure for preparing a device for delivering a material into cells.

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Номер записи: 35
04-10-2018 дата публикации

METHOD OF PREPARING HIGH-DENSITY DIAMOND THIN FILM

Номер: WO2018176217A1
Автор: TANG, Yongbing, WANG, Tao, ZHANG, Wenjun
Принадлежит:

A method of preparing a high-density diamond thin film, comprising the following steps: (1) performing a surface-charging process on a surface of a cemented carbide substrate, wherein the surface-charging process comprises a positive or negative charging process; (2) preparing a diamond suspension: adding an organic acid or an amine-containing compound to water to obtain a pretreatment liquid; adding diamond powder to the pretreatment liquid and uniformly dispersing to obtain a nano-diamond suspension; wherein the organic acid comprises one or more of oxalic acid and citric acid, and the amine-containing compound is selected from glutamic acid and aspartic acid, and one or more aliphatic amines having 2 to 5 carbon atoms; (3) placing the surface-charged substrate in the nano-diamond suspension and performing ultrasonic vibration such that the nano-diamond adsorbs on the surface of the substrate, wherein the charge of the nano-diamond suspension is opposite to the charge of the substrate ...

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Номер записи: 36
27-08-2021 дата публикации

High-stability steel framework for old house transformation

Номер: CN214062421U
Автор: TIAN YUE, YANG FAN, CUI YUFENG, ZHANG WENJUN, 田跃, 杨帆, 崔玉凤, 张文军
Принадлежит: JINAN CHENGTOU DESIGN CO LTD, SHANDONG INSTITUTE OF MECHANICAL DESIGN AND RES, JINAN CHENGTOU DESIGN CO., LTD., SHANDONG INSTITUTE OF MECHANICAL DESIGN AND RESEARCH, 济南城投设计有限公司, 山东省机械设计研究院

The utility model discloses a high-stability steel framework for old house transformation, and relates to the technical field of steel frameworks. Comprising a bottom column, a supporting column, a mounting base, a fixing piece and a foundation, the mounting base is movably arranged at the top of the bottom column, the supporting column is movably arranged at the top of the mounting base, the fixing piece is movably arranged on one side of the bottom column, and the foundation is movably arranged at the bottom of the bottom column. By arranging the positioning piece, the device is clamped and positioned with the positioning piece through the clamping piece, then the device is fixed through the fixing bolt, and under the action of the damping spring, the device is not prone to deviation under the action of external force, so that some potential safety hazards are effectively avoided, and the stability of the device is improved; and meanwhile, when the device is used, the device can be directly ...

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Номер записи: 37
27-08-2015 дата публикации

INTERLEAVING AND MAPPING METHOD AND DEINTERLEAVING AND DEMAPPING METHOD FOR LDPC CODEWORD

Номер: WO2015124107A1
Автор: ZHANG, Wenjun, SHI, Yijun, HE, Dazhi, GUAN, Yunfeng, XU, Yin, GUO, Xufeng
Принадлежит:

An interleaving and mapping method and deinterleaving and demapping method for an LDPC codeword. The method comprises: performing first bit interleaving on a check part in the LDPC codeword to obtain a check bit stream; splicing an information bit part in the codeword and the check bit stream into a codeword after the first bit interleaving; dividing the codeword after the first bit interleaving into multiple consecutive bit subblocks in a predetermined length, and changing the arrangement of the bit subblocks according to a corresponding bit-swapping pattern to form a codeword after second bit interleaving; dividing the codeword after the second bit interleaving into two parts, and writing the two parts in a column order and reading the two parts in a row order to obtain a codeword after third bit interleaving; and performing constellation mapping on the codeword after the third bit interleaving according to a constellation diagram to obtain a symbol stream, wherein interleaving and mapping ...

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Номер записи: 38
28-06-2018 дата публикации

STRUCTURAL MEMBER WITH DIAMOND-LIKE ARRAY, AND PREPARATION METHOD THEREFOR

Номер: WO2018113053A1
Автор: TANG, Yongbing, YANG, Yang, QIN, Panpan, ZHANG, Wenjun
Принадлежит:

Disclosed is a structural member with a diamond-like array. The structural member comprises a matrix (101, 201) and a diamond-like nano-needle array (1032, 2022) arranged on the matrix (101, 201) and having a tip structure. The diamond-like nano-needle array (1032, 2022) is obtained by means of etching a diamond-like coating formed on the matrix (101, 201). Further disclosed is a preparation method for the structural member with a diamond-like array.

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Номер записи: 39
05-05-2023 дата публикации

Quick reloading dual-mode undercarriage and unmanned aerial vehicle

Номер: CN116062156A
Автор: YU MIN, ZHANG WENJUN, WANG QIANWEN, WANG YANG, WANG ZIHAO, QIU WANBIN
Принадлежит:

The invention relates to a quick reloading dual-mode undercarriage and an unmanned aerial vehicle, the dual-mode undercarriage comprises a wheel type undercarriage and a skid type undercarriage, the wheel type undercarriage comprises a front undercarriage sub-component and a plate spring type main undercarriage sub-component, and the skid type undercarriage comprises a front auxiliary support and a skid sub-component. The front undercarriage sub-component and the plate spring type main undercarriage sub-component are connected with a fuselage of the unmanned aerial vehicle and are used for a wheel type taxiing take-off and landing mode of the unmanned aerial vehicle; the front auxiliary support and the skid sub-component are connected with a fuselage of the unmanned aerial vehicle and used for a rocket-assisted takeoff-parachute landing field operation mode of the unmanned aerial vehicle. The landing gear is connected with the unmanned aerial vehicle through the quick plug pin and the like ...

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Номер записи: 40
09-05-2019 дата публикации

HARD ALLOY HAVING DIAMOND COATING AND PREPARATION METHOD THEREFOR

Номер: WO2019084768A1
Автор: TANG, Yongbing, HUANG, Lei, WANG, Tao, LI, Xingxing, LI, Zhensheng, ZHANG, Wenjun
Принадлежит:

A hard alloy having a diamond coating and a preparation method therefor. The hard alloy comprises a hard alloy matrix (10), and a silicon nitride layer (20), a silicon nitride/diamond composite layer (30), and the diamond coating (40) that are sequentially provided on the hard alloy matrix. The steps of the preparation method for the hard alloy comprise: after washing the hard alloy matrix (10), depositing the silicon nitride layer (20) on the surface of the hard alloy matrix; implanting diamond seed crystals on the silicon nitride layer, and then depositing to prepare the silicon nitride/diamond composite layer (30) on the silicon nitride layer; and depositing to prepare the diamond coating (40) on the silicon nitride/diamond composite layer, so as to obtain the hard alloy having the diamond coating.

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Номер записи: 41
07-05-2015 дата публикации

DATA PACKET ENCAPSULATION METHOD AND CHECK METHOD

Номер: WO2015062503A1
Автор: ZHANG, Wenjun, ZHANG, Ya, ZHANG, Zhenning, YING, Xiaoqing, XIANG, Liren, SHI, Menglei
Принадлежит:

A data packet encapsulation method and check method. The data packet encapsulation method comprises: inserting a data packet into one or a plurality of baseband frame data fields, and recording data information regarding the number of times the current data packet to be transmitted has been segmented into blocks; generating a check field for said packet on the basis of an information code of the data packet and the data information regarding the number of times said packet has been segmented into blocks; and, adding the check field onto the end of said information code to complete data packet encapsulation. The present technical solution improves the reliability of data packet transmission over a broadcast communication channel, particularly when a data packet has been segmented into several data blocks carried in different baseband frames.

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Номер записи: 42
03-02-2022 дата публикации

METHOD AND DEVICE FOR SENDING MESSAGES, AND STORAGE MEDIUM

Номер: WO2022022058A1
Автор: ZHANG, Wenjun
Принадлежит:

Disclosed in the embodiments of the present application are a method and device for sending messages, and a storage medium, which ensure that the timing and configuration of a network device and a terminal device can be aligned during a fuzzy period of TDM configuration, thereby reducing the bit error rate and the call drop rate. The aforementioned method comprises: a network device sends a first RRC reconfiguration signaling to a terminal device, the first RRC reconfiguration signaling carrying a first configuration and being used to instruct the terminal device to validate the first configuration or invalidate the first configuration; and the network device receives a first RRC reconfiguration completion signaling sent by the terminal device, the first RRC reconfiguration completion signaling being used to indicate that the first configuration has been validated or invalidated.

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Номер записи: 43
18-08-2004 дата публикации

数字地面广播传输中的帧场同步系统

Номер: CN0001522065A
Автор: ZHANG WENJUN, XIA JINSONG, SUN JUN, WENJUN,XIA ZHANG, 张文军
Принадлежит:

The invention discloses a frame field synchronous system in digital ground surface broadcast transmission, the transmission signal of which includes frame synchronizing signal and field synchronizing signal, wherein the frame synchronizing signal is positioned at the starting point of each frame, each frame transmission contains 4968 symbols, including four leading symbols, 64 double level system information symbols, 4514 triple level symbols and 386 triple level retaining symbols, wherein the field synchronizing signal is positioned at the starting point of each field, each field transmission contains 516 symbols, including four leading symbols, one 9-level maximum length sequence PN511 containing 511 two-level symbols and one two-level symbols. The synchronizing system provided by the invention can realize frame synchronizing signal with more information.

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Номер записи: 44
07-10-2010 дата публикации

A POLYSACCHARIDE LIPOSOME, THE PREPARATION METHOD AND USE OF IT

Номер: WO2010111807A1
Автор: CHEN, Bangyin, ZHANG, Wenjun
Принадлежит:

A polysaccharide liposome, in particular a lentinan liposome, a method for its preparation, a pharmaceutical composition comprising the liposome, and the use of the liposome for manufacturing antineoplastic or immunoregulatory medicaments are disclosed. Polysaccharide, phospholipid, cholesterol, surfactants and polyethylene glycol are used as starting materials for producing the liposome.

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Номер записи: 45
26-05-2023 дата публикации

Framework box culvert jacking structure of underneath passing railway and construction method of frame box culvert jacking structure

Номер: CN116163742A
Автор: ZHANG WENJUN
Принадлежит:

The invention relates to the technical field of box culvert jacking construction, and discloses a frame box culvert jacking structure of an underneath passing railway and a construction method thereof.The frame box culvert jacking structure comprises the ground, the back face of the top of the ground is fixedly connected with a railway line, the front face of the interior of the ground is fixedly connected with a back beam, and the bottom of the back face of the back beam is fixedly connected with a jack; jacking iron is fixedly connected to the back face of the jack and comprises a front fixing block, the jack is fixedly connected to the front face of the front fixing block, and a fixing box is fixedly connected to the back face of the front fixing block; the jacking iron can extend, the jacking iron is firstly placed on the back face of the jack, after the box body is jacked by a certain distance, the rocker is rotated to enable the moving box to extend, when the distance between the ...

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Номер записи: 46
17-10-2019 дата публикации

ANTIBODY AND ANTIBODY MODIFICATION METHOD

Номер: WO2019196522A1
Автор: ZHANG, Wenjun, ZHANG, Bing, LIU, Jiaxi, HUANG, Yindi, QIU, Xiaolin
Принадлежит:

Provided by the present invention is a method for modifying a Fab region of an antibody. In particular, provided by the present invention is a method for mutating particular sites of a CH1-hinge region and a CL region of an antibody so as to form an unnatural disulfide bond. Further provided by the present invention are an antibody produced by means of the described modification method and a use thereof.

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Номер записи: 47
02-06-2016 дата публикации

METHOD AND DEVICE FOR REALIZING HARDWARE TABLE TRAVERSAL BASED ON NETWORK PROCESSOR

Номер: WO2016082367A1
Автор: HUANG, Zhiwen, ZHANG, Wenjun
Принадлежит:

The present invention provides a method and device for realizing the hardware table traversal based on a network processor. The method comprises: receiving CPU packets, wherein the CPU packets carrying the matching information about hardware table items; configuring copy registers according to the total number of the hardware table items, wherein the value of the copy registers being the number of the CPU packets to be copied, and the value of the copy registers equaling to the total number of the hardware table items; copying the CPU packets according to the value of the copy registers, and assigning a copy number to each copied CPU packet, wherein the copy number being the sequence number when the CPU packets are copied; comparing the hardware table items in the hardware table with the copied CPU packets one by one, and determining whether the information about the hardware table items matches the matching information about the CPU packets or not; and if matching, storing the matched ...

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Номер записи: 48
10-08-2017 дата публикации

INFORMATION INTERACTION MECHANISM AND NETWORK TRANSMISSION METHOD IN MULTIMEDIA SYSTEM

Номер: WO2017133611A1
Автор: ZHANG, Wenjun, XU, Yiling, ZHUANG, Ning, CHEN, Hao, WANG, Yanfeng, SUN, Jun, LIU, Ning
Принадлежит:

Provided are information interaction mechanisms of two forms and a network transmission method in a multimedia system. One information interaction mechanism adopts a message interaction body to realize two-way fast information interaction, and is capable of solving the defect of lacking an efficient and flexible two-way information interaction mechanism in the existing media transmission system, and meanwhile can be applied to all media transmission systems; and the other information interaction mechanism simplifies the size of protocol format header data with regard to the simplest data packet enforced by a protocol transmission format so as to adapt a protocol format to fast information interaction. The simplification of the size of the protocol format header data can solve the defect of lacking an efficient two-way fast information interaction mechanism in the existing media transmission system. Meanwhile, an optimal transmission mechanism for still images in a video stream is provided ...

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Номер записи: 49
21-06-2018 дата публикации

MEDIA INFORMATION PROCESSING METHOD, APPARATUS AND SYSTEM

Номер: WO2018107913A1
Автор: XU, Yiling, ZHANG, Wenjun, HU, Ying, HU, Zhao, LI, Ming, WU, Ping, SHANG, Guoqiang
Принадлежит:

Provided are a media information processing method, apparatus and system. The method comprises: generating media indication information according to a media state and/or a media state change, wherein the media indication information at least comprises one of the following: a media identifier, a media state type, a media state change type, a media state description, and a media state change description; and sending or storing the media indication information. By means of the present disclosure, the problem in the relevant art that the covered content in media information is incomplete during a media interaction is solved, thereby achieving the effect of improving the media information integrity and expandability.

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Номер записи: 50
08-03-2018 дата публикации

MULTIMEDIA RESOURCE SYNCHRONOUS PUSHING METHOD BASED ON HETEROGENEOUS NETWORK

Номер: WO2018041092A1
Автор: XU, Yiling, ZHANG, Wenjun, FENG, Shan, CHEN, Hao, WANG, Yanfeng, SUN, Jun, GUAN, Yunfeng
Принадлежит:

Disclosed is a multimedia resource synchronous pushing method based on a heterogeneous network, comprising: step one, a serving end learning end-to-end broadband network delay information or broadband network delay and available broadband information about different users; step two, after receiving a user request, the serving end calculating, according to the end-to-end broadband network delay or broadband network delay and available broadband information about different users, a moment when multimedia resources can be synchronously presented; and step three, the serving end sending the multimedia resources capable of being synchronously presented at the moment, and a user end synchronously playing contents according to a starting presentation time of media resources, so that broadband contents of different users can be synchronously presented. The present invention solves the problem of a broadcast and a broadband user media resource not being synchronized due to different network conditions ...

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Номер записи: 51
27-09-2018 дата публикации

VIDEO PROCESSING METHOD AND APPARATUS

Номер: WO2018171234A1
Автор: XU, Yiling, ZHANG, Wenjun, HUANG, Wei, HU, Ying, MA, Zhan, WU, Zhao, LI, Ming, WU, Ping
Принадлежит:

A video processing method and apparatus, comprising: labeling a target object within a video, and thereby generating label information of the target object according to a labeling result, wherein the label information is at least configured to indicate one of the following: the type of the target object, content of the target object, and spatial position information of the target object in the video (S202); acquiring instruction information, and indexing specified label information of a specified target object according to the instruction information (S204); pushing or displaying part or all of the videos corresponding to said specified label information within said video (S206).

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Номер записи: 52
08-09-2017 дата публикации

Preparation method of papermaking process reconstituted tobacco containing ultrafine tobacco powder

Номер: CN0107136553A
Автор: ZHANG WENJUN, ZHOU GUIYUAN, ZHENG JIANYU, LI ZHONGREN, CHEN YUCHAO, TU YANGANG, XIONG ZHEN, MI LAN, TANG ZHE, WANG YANHONG
Принадлежит:

... 本发明提供种含超微烟草粉末的造纸法再造烟叶制备方法，包括以下步骤，将烟草原料样品采用超微粉碎设备进行磨粉；将烟草粉末按再造烟叶产品直接或采用溶剂分散后配制成得含烟草粉末的膏体外加入浓缩液中调配形成涂布液；将涂布液涂布于再造烟叶片基后通过烘干工艺及分切打包后制备得到烟用再造烟叶。本发明克服了现有技术的诸多缺点，能有效提升造纸法再造烟叶片基的负载量，提升涂布过程中的涂布率，提升再造烟叶产品香气成分，减少再造烟叶生产原料经加工过程中香气的损失，并提升产品的品质。 ...

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Номер записи: 53
14-04-2023 дата публикации

Method and system for transmitting media content under lightweight self-adaptive code rate

Номер: CN115967826A
Автор: XU YILING, ZHANG WENJUN, GUAN YUNFENG, LIU NING, YIN JIAOYANG, ZHANG CHAO
Принадлежит:

The invention relates to a communication network, in particular to the technical field of media content transmission of network bandwidths. The invention relates to a media content transmission method under a lightweight self-adaptive code rate, and the transmission method comprises the steps: training original self-adaptive code rate models under various bandwidth levels, and obtaining original self-adaptive code rate sub-models suitable for various bandwidth levels; training the original adaptive code rate sub-models of various bandwidth levels by adopting a decision tree architecture to obtain a plurality of corresponding supervised learning models; and selecting a supervised learning model adapted to the current network condition according to the current network bandwidth statistical characteristics so as to transmit the media content according to the corresponding code rate decision. The method can better cope with the dynamic characteristics of the transmission network. Meanwhile, ...

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Номер записи: 54
15-11-2018 дата публикации

FLUIDIZED BED MINERALIZING AND FLOATING APPARATUS WITH ADDITIONAL TURBULENT FLOW REGULATING AND CONTROLLING PARTICLES AT UNIFORM TURBULENCE LEVEL

Номер: WO2018205572A1
Автор: LI, Yanfeng, EVANS Geoffrey, ZHU, Rongtao, ZHANG, Wenjun, LI, Ningbo, PAN, Hao, LI, Yi, FU, Xiaoqing
Принадлежит:

Provided is a fluidized bed with additional turbulent flow regulating and controlling particles at a uniform turbulence level, wherein same belongs to mineral separation devices. The device comprises a column floating area (3), an ore concentrate overflow groove (1) above the column floating area (3), and a middling ore circulation port (5) outside the column floating area (3); a gas-liquid mixing area (14) is provided below the column floating area (3); a fluidized bed mineralizing and floating area is provided between the column floating area (3) and a fluidized bed mineralizing and floating area (9); the fluidized bed mineralizing and floating area (9) is provided with a mineralizing area 1, a mineralizing area 2,..., and a mineralizing area n; and the mineralizing area 1, the mineralizing area 2,..., and the mineralizing area n are filled with turbulent flow regulating and controlling particles (7). Completely separating mineralization from floating is different from the current mineralizing-floating ...

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Номер записи: 55
27-08-2021 дата публикации

Steering device for underground mining truck

Номер: CN214057685U
Автор: JIA WENHONG, WANG ZHIFANG, HU HONGXUN, MA YONGHU, ZHANG WENJUN, WANG YANCHUN, TIAN JUN, 贾文宏, 王志芳, 胡宏勋, 马永虎, 张文军, 王延春, 田军
Принадлежит: JINCHUAN GROUP MACHINERY MFG CO LTD, JINCHUAN GROUP CO LTD, JINCHUAN GROUP MACHINERY MANUFACTURING CO., LTD., JINCHUAN GROUP CO., LTD., 金川集团机械制造有限公司, 金川集团股份有限公司

The utility model discloses a steering device for an underground mining truck, which comprises a steering column, the steering column is fixed in a cab through a bolt, the lower part of the steering column is provided with a connecting seat, the lower part of the connecting seat is provided with a damper, the connecting seat is internally provided with an encoder, the bottom end of the steering column is provided with a shaft assembly, and the shaft assembly is fixedly connected with the steering column. The shaft assembly is arranged in the connecting base and connected with the encoder, and the bottom of the shaft assembly is connected with the damper in a matched mode. The steering system can solve the problems of high failure rate, difficulty in maintenance and repair and high use cost caused by complex structure and multiple components of the existing steering system.

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Номер записи: 56
01-08-2023 дата публикации

Intelligent compact shelf with physical evidence joint prevention and joint control

Номер: CN116509140A
Автор: ZHANG WENJUN, YE YOULIANG, XIAO HAIBO, ZHOU WEN, CHEN ZHIJUN, LU JUNHUA, XIE SHUIPING
Принадлежит:

The invention discloses an intelligent compact shelf with physical evidence joint prevention and joint control, and relates to the technical field of compact shelves, the intelligent compact shelf comprises a plurality of compact shelves, a sealing shelf prevention and control event management module, compact shelf state monitoring equipment, a controller and video monitoring equipment, the plurality of compact shelves comprise two first compact shelves and a plurality of second compact shelves, a connecting hole is formed in one side of the first compact shelf side face. Through the cooperation of the connecting insertion rod, the illumination starting mechanism and the illumination lamp, after the first compact shelf or the second compact shelf is pulled away from each other, the illumination lamp can automatically start illumination, so that a worker can conveniently find documents. Meanwhile, the compact shelving state monitoring equipment monitors the state change of the compact shelving ...

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Номер записи: 57
07-04-2023 дата публикации

Fuel gas analysis test device and method

Номер: CN115931371A
Автор: ZHAO CONGCONG, XIAO YANG, ZHANG JINGWEI, ZHANG WENJUN, MENG GANG, YUAN YIREN, SON YONG KOON, HE MIN
Принадлежит:

The invention discloses a fuel gas analysis test device and method, relates to the field of aero-engines, and is used for conveniently carrying out a fuel gas pollutant emission test and a temperature measurement test. The fuel gas analysis test device comprises a mixer, a thermal insulation pipe assembly, a gas component analysis cabinet and a smoke analysis cabinet. The mixer has a plurality of inlets and at least one outlet. The thermal insulation pipe assembly is located on the upstream of the mixer, and the thermal insulation pipe assembly is in fluid communication with an inlet of the mixer through a first branch. The heat preservation pipe assembly is further in fluid communication with the gas component analysis cabinet through a second branch, and the outlet of the mixer is further in fluid communication with the gas component analysis cabinet through a third branch. The thermal insulation pipe assembly is also in fluid communication with the smoking analysis cabinet through a ...

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Номер записи: 58
09-06-2023 дата публикации

Device for removing oxide skin on electro-fusion welding surface of PE pipe and using method

Номер: CN116237591A
Автор: SHI HUIWEN, ZHANG WENJUN, SU XINGGUO, ZHANG HUAYING, LIU WEIJIE
Принадлежит:

The invention provides a device for removing oxide skin on an electric fusion welding face of a PE pipe and a using method, the device comprises a movable sleeve, a mounting shell and a cutting assembly, the PE pipe is arranged in the movable sleeve in a penetrating mode, and the movable sleeve can rotate around the axis of the PE pipe; the mounting shell is arranged on the outer wall of the movable sleeve and is communicated with the movable sleeve; and the cutting assembly is arranged in the mounting shell, and one end of the cutting assembly extends into the movable sleeve to scrape oxide skin on the outer wall of the PE pipe. According to the device, through the cooperation of the cutting assembly, the movable sleeve and the mounting shell, the cutting assembly scrapes oxide skin in the circumferential direction of the PE pipe, operation is easy, and efficiency is high; besides, under the limiting effect of the mounting shell, the cutting assembly cannot do linear motion in the radial ...

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Номер записи: 59
09-05-2023 дата публикации

Adsorbent for removing heavy metals in waste gas and preparation method thereof

Номер: CN116078343A
Автор: SHI GUYU, MA HONGXI, ZHANG WENJUN, DU XIAN, SUN GUOHUI
Принадлежит:

The invention discloses a preparation method of an adsorbent for removing heavy metals in waste gas. The preparation method comprises the following steps: pretreating an industrial waste raw material containing silicon and aluminum oxides to remove impurities and moisture, grinding and screening to obtain a micron-sized solid powder raw material; mixing the solid powder raw material with a modifier in proportion, stirring and reacting to form an amorphous polymer, and condensing, hardening and forming; and cleaning and drying the formed hardened product, continuously curing at constant temperature to obtain an adsorbent module, and crushing, grinding and screening to prepare the micron-sized adsorbent. The industrial waste containing the target active component is selected and modified and activated, the industrial waste can be converted into a novel adsorbent with a pore structure and a high specific surface area, and the novel adsorbent is high in mechanical strength and high temperature ...

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Номер записи: 60
07-01-2004 дата публикации

利用双导频实现数字化传输中的载波恢复的方法及装置

Номер: CN0001134143C
Автор: ZHANG WEIJUN, XIA JINGSONG, WEIJUN ZHANG, JINGSONG XIA, 张文军
Принадлежит:

... 本发明公开了一种利用双导频实现数字化传输中的载波恢复的方法，以及利用该方法恢复载波的装置。本发明中，上下边带合成I通道信号经AFC低通滤波器得到上下导频分别与载波之间的频率差别之和，该信号经过限幅器得到的输出信号用于开关上下边带合成的Q通道信号的相位误差信号的极性，将该误差信号经过APC低通滤波器得到的直流信号用来调节振荡器，从而快速、准确地实现了载波恢复。本发明的装置简单、适用，能很好地实现载波恢复。 ...

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Номер записи: 61
27-08-2021 дата публикации

Hydraulic valve group for rock drill

Номер: CN214063431U
Автор: WANG ZHIFANG, JIA WENHONG, MA YONGHU, ZHANG WENJUN, SUN WU, SUN YONG, 王志芳, 贾文宏, 马永虎, 张文军, 孙武, 孙勇
Принадлежит: JINCHUAN GROUP MACHINERY MFG CO LTD, JINCHUAN GROUP CO LTD, JINCHUAN GROUP MACHINERY MANUFACTURING CO., LTD., JINCHUAN GROUP CO., LTD., 金川集团机械制造有限公司, 金川集团股份有限公司

The utility model discloses a hydraulic valve group for a rock drill, which belongs to the field of underground rock drills and comprises a valve body, a proportional overflow valve, a pressure sensor, a two-position three-way electromagnetic directional valve and an oil return port are arranged in the valve body, and an oil inlet of the two-position three-way electromagnetic directional valve is externally connected with a pressure oil port. An oil outlet of the two-position three-way electromagnetic directional valve is communicated with oil inlets of the proportional overflow valve and the pressure sensor respectively, an oil outlet of the proportional overflow valve is communicated with the oil return port, and the pressure oil ports are a first pressure oil port and a second pressure oil port which are arranged in the valve body. The hydraulic valve group provided by the utility model has a simple pipeline, is not easy to fail and leak during working, improves the reliability of a ...

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Номер записи: 62
18-08-2023 дата публикации

Method for improving hardness of laser additive manufacturing In 718 alloy

Номер: CN116604031A
Автор: LIU FENGGANG, ZHANG WENJUN, LIU FENCHENG, HUANG CHUNPING, HU WANQIAN, WANG LIANBO, WANG DAWEI
Принадлежит:

The invention discloses a method for improving the hardness of an In 718 alloy produced by laser additive manufacturing, which comprises the following steps of: adding 1-5wt% of Al element into the In 718 alloy by a powder ball milling method, and separating out a large number of Laves phases in the solidification process of the In 718 alloy. And after forming, solid solution treatment and two-stage aging treatment are sequentially carried out, the temperature of the solid solution treatment ranges from 1050 DEG C to 1200 DEG C, and the temperature of the two-stage aging treatment ranges from 700 DEG C to 760 DEG C and the temperature of the two-stage aging treatment ranges from 600 DEG C to 660 DEG C. According to the method, the laser additive manufacturing In 718 alloy is subjected to solution treatment firstly, chain-shaped and net-shaped Laves phases are changed into fine granular Laves phases dispersed and distributed in a matrix, and then two-stage aging is carried out to separate ...

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Номер записи: 63
25-04-2023 дата публикации

Method for preparing foamed Longbou lens

Номер: CN116001176A
Автор: JIANG XIULEI, YU JIABAO, ZHANG WENJUN
Принадлежит:

The invention relates to a method for preparing a foamed Longbou lens, and belongs to the technical field of foaming. The invention provides a method for preparing a foamed Longbour lens, which comprises the following steps of: using a foaming mold consisting of an inner mold and an outer mold, continuously placing a sphere to be foamed in an inner mold cavity of which the temperature is saturation temperature Ts and the pressure is saturation pressure Ps until foaming agent gas is completely saturated in the sphere to be foamed; and continuously placing the to-be-foamed sphere in the inner mold cavity with the temperature being the foaming temperature Tf and the pressure being the saturation pressure Ps until a temperature gradient is formed in the to-be-foamed sphere, and finally placing the to-be-foamed sphere in the spherical outer mold cavity for foaming to obtain the foamed luneberg lens. According to the method, by controlling the temperature gradient in the to-be-foamed sphere, ...

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Номер записи: 64
12-05-2023 дата публикации

Method for forecasting temperature change in zinc pot in aluminum and zinc hot-dip coating process

Номер: CN116103597A
Автор: BAI ZHENHUA, ZHANG WENJUN, QIAN SHENG, WANG XIAOJIAN, LI ZIZHENG, LIU GEFEI
Принадлежит:

The invention discloses a method for forecasting temperature change in a zinc pot in an aluminum and zinc hot-dip coating process, which comprises the following calculation and analysis steps: collecting strip steel annealing and operation process parameters, strip physical parameters and aluminum and zinc liquid and zinc slag physical heat parameters, and calculating the heat of the strip steel brought into the zinc pot; sink roll system scraper equipment, process parameters and sink roll equipment parameters are collected, and heat generated by friction between the scraper of the sink roll, the scraper of the stabilizing roll and the scraper of the straightening roll and the roll surface in unit time is calculated; stress parameters and equipment parameters in the working process of the sink roll system are collected, and shaft end friction instantaneous heat generation of a sink roll, a stabilizing roll and a straightening roll is calculated; collecting physical parameters and flow field ...

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Номер записи: 65
08-12-2004 дата публикации

数字地面广播传输中基带OQAM信号的生成方法

Номер: CN0001553709A
Автор: ZHANG WENJUN, XIA JINSONG, GUI LIN, WENJUN ZHANG, JINSONG XIA, LIN GUI, 张文军
Принадлежит:

This invention discloses a method for generating base band OQAM signal in the transmission of digital terrestrial broadcasting. It includes following steps: separating parity; inserting zero into dot interlacing; periodic sequence multiplying; forming filter. The two steps, separating parity and inserting zero into dot interlacing, can be removed. The input data can be multiplied by a periodic sequence directly. Then is sent into a forming filter, the odd tap of the forming filter alternatively outputs path Q and I base band signal, so as to implement path I and Q forming filter, then gets the digital base band OQAM signal. The invention can make combining usage for forming filters in the path Q and I and can also make reversion for the frequency spectrum. It is applied in various OQAM modulations, especially in the hybrid transmission system.

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Номер записи: 66
21-04-2023 дата публикации

Stainless steel mesh cathode membrane, preparation method thereof and stainless steel mesh cathode membrane assembly

Номер: CN115991522A
Автор: ZHU HAO, HU ZHIHONG, CHEN MING, WU HAIYONG, ZHANG DONGNIAN, ZHANG HUIJIE, WANG YUE, ZHANG WENJUN, WANG XIAOWEN, LIU HAITAO, ZHONG CHONGFANG, WANG JINGQI
Принадлежит:

The invention provides a stainless steel mesh cathode membrane, a preparation method thereof and a stainless steel mesh cathode membrane assembly. The preparation method comprises the following steps: modifying graphite powder by using a mixed acid solution, potassium permanganate and hydrogen peroxide to obtain graphene oxide; a manganese acetate solution serves as a deposition solution, constant-current anodic treatment is conducted on the stainless steel mesh, and a manganese dioxide modified stainless steel mesh is obtained; and dispersing graphene oxide in water to obtain a graphene oxide solution, and performing constant-potential anodic treatment on the manganese dioxide modified stainless steel mesh by taking the graphene oxide solution as a deposition solution to obtain the MnO2 (at) rGO modified stainless steel mesh cathode film. According to the present invention, the preparation cost is low, the process is simple, the environmental protection is achieved, and when the material ...

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Номер записи: 67
24-03-2011 дата публикации

METHOD AND DEVICE FOR IDENTIFYING UNIVERSAL SERIAL BUS (USB) INSERTION OR CHARGER INSERTION OF MOBILE TERMINAL

Номер: IB2011032410A1
Автор: SU, Haibo, ZHANG, Wenjun
Принадлежит:

A method and a device for identifying the universal serial bus (USB) insertion or charger insertion of the mobile terminal are disclosed. The device comprises a USB interface module (110) which is connected with an external power supply device, an interface detection and control module (120), an electronic switch module (130), a charge switching module (140), an identification module (150) and a baseband USB data transceiver module (160).The device enables the mobile terminal to enter a USB mode when an insertion of the external power supply device is detected. The device can accurately determine the insertion of USB or charger by flexibly generating an interrupt response based on finally detected D- signal state. The device can quickly and accurately identify the type of the USB or charger inserted into the mobile terminal.

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Номер записи: 68
07-01-2004 дата публикации

基于数据转盘的目录文件系统的传输方法

Номер: CN0001466382A
Автор: ZHANG WENJUN, WANG QING, SUN HAISHENG, WENJUN ZHANG, QING WANG, HAISHENG SUN, 张文军
Принадлежит:

On the basis of ISO/IEC 13818-6 standard, data transmission uses DSMCC data disk protocol, a topic customer end gets a set of applied transmission data, a download server can serve multiple customersat the same time, in DSM-CC, a data disk uses four messages basically: DII, DSI, DDB and Download Cancel in which data transfer uses DDB, others for the control and index functions, the grammer and semantic of them are stipulated in ISO/IEC 13818-6, DSI and DII are further defined and usage of new description is given, the image method between tree structured system and DSI/DII message is provided in restoring tree-structured system completely at the receive end.

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Номер записи: 69
11-08-2023 дата публикации

Compact shelf with locking function

Номер: CN116570113A
Автор: LU JUNHUA, YE YOULIANG, ZHANG WENJUN
Принадлежит:

The invention discloses a compact shelf with a locking function, and relates to the technical field of compact shelves, in particular to a compact shelf with a locking function, which comprises a compact shelf body and a mounting seat arranged on the lower surface of the compact shelf body, two walking groove bodies are symmetrically arranged below the mounting seat, and a limiting block is arranged at the lower end of the mounting seat. A plurality of placing cavities are formed in the compact shelf body, a sealing groove is formed in the side wall of the compact shelf body, a sealing gasket is connected into the sealing groove, and the mounting base and the compact shelf body are of an integrated fixing structure. According to the compact shelf with the locking function, under the effect that locking springs are compressed, friction pieces can be pushed to move, the friction pieces are inserted into the inner walls of friction grooves, the two wheels are locked under the effect of friction ...

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Номер записи: 70
13-04-2021 дата публикации

Material breaking bin bridging device

Номер: CN212952149U
Автор: ZHU BIYUN, LUO PENG, ZHANG WENJUN, ZHOU FUWEI, WANG ZHUO, 朱碧云, 罗鹏, 张文军, 周福伟, 王卓
Принадлежит: KUNSHAN SANYI ENV PROT TECH CO LTD, KUNSHAN SANYI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD., 昆山三一环保科技有限公司

The utility model discloses a bridge breaking device for a stock bin, which relates to the technical field of bridge breaking devices and comprises a stock bin cone, two pneumatic hammers, a first arch breaking device, a first salt outlet connecting pipe, a first hand hole, a salt outlet, a second arch breaking device, a second salt outlet connecting pipe and a second hand hole, wherein the first arch breaking device and the second arch breaking device are symmetrically arranged on the stock bin cone body, the first hand hole and the second hand hole are symmetrically formed in the stock bin cone body, the first salt outlet connecting pipe is connected with the first arch breaking device, the second salt outlet connecting pipe is connected with the second arch breaking device, and a salt outlet is formed in the bottom of the stock bin cone body. The arch breaking device is simple in structure and convenient to operate, manual operation is not needed, stable operation of the system can be ...

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Номер записи: 71
02-06-2023 дата публикации

Urban microgrid operation and maintenance risk prediction method, device, equipment and medium

Номер: CN116205346A
Автор: YAN CHENGSHAN, QIU MINGQUAN, LIU YIN, ZHANG LIJUN, XIN FENG, ZHANG WENJUN, WANG ZHIYONG, ZHANG GUORUI, WANG CHUNLEI, JIN WENJIE, LI PENGFEI, YIN JIANXIN, PAN ANWEI, TAO YANYAN
Принадлежит:

The invention discloses an urban micro-grid operation and maintenance risk prediction method and device, equipment and a medium. The method comprises the following steps: acquiring intelligent micro-grid power system data to construct an intelligent micro-grid power system knowledge graph; obtaining a fault document to construct an operation and maintenance knowledge graph; performing knowledge fusion on the operation and maintenance knowledge graph and the intelligent micro-grid power system knowledge graph to obtain a fused knowledge graph; performing calculation in the fused knowledge graph by adopting a random forest method to obtain a preliminary risk value; obtaining an adjacent node of each node according to the fused knowledge graph, carrying out weighted calculation on the initial risk value of the equipment node and the initial risk value of the adjacent equipment node, and carrying out iteration on the weight to obtain a final risk value; and performing early warning on the operation ...

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Номер записи: 72
15-08-2023 дата публикации

Data storage method and device, electronic equipment and storage medium

Номер: CN116595110A
Автор: SHAO TIANDONG, XU CHAO, ZHANG WENJUN, JI TAIWEI, WANG LIANG
Принадлежит:

The invention discloses a data storage method and device, electronic equipment and a storage medium. The method comprises the steps that all data files in a data warehouse are traversed, and cold data files in the data warehouse are determined from all the data files based on a preset cold and hot data judgment algorithm; backing up the cold data file to the target storage area, and creating a link file corresponding to the cold data file in the data warehouse; wherein the link file is used for indicating that the cold data file stored in the backup mode is read from the target storage area; and deleting the cold data file from the data warehouse. According to the technical scheme provided by the embodiment of the invention, the storage pressure of the data warehouse can be released into the low-cost storage area while the reading of the historical data file is not influenced, so that the storage pressure of the data warehouse is reduced, and the storage cost of the historical data is reduced ...

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Номер записи: 73
11-08-2023 дата публикации

Box-type substation

Номер: CN116581674A
Автор: XU YUNHUA, ZHANG WENJUN, CHEN JUNWEI
Принадлежит:

The invention relates to the technical field of substations, and discloses a box-type substation which comprises a box body frame, an upper cover is fixedly connected to the upper portion of the box body frame, a transformer is fixedly connected to the middle of the interior of the box body frame, a line control device is placed on the side face of the transformer, and the upper portion of the outer side of a side plate is movably sleeved with an outer baffle. According to the box-type substation, when the temperature detection device detects that the internal temperature of the box body frame is abnormal, the detection device drives the motor to start, the motor drives the threaded rod and the outer baffle to perform threaded motion, meanwhile, the outer baffle moves upwards, and the side plate is pushed to move outwards under the elastic action of the spring; the side plates drive the interior of the box body frame to be integrally exposed to the outer side, meanwhile, convenience can ...

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Номер записи: 74
21-04-2023 дата публикации

5Y-grade 460MPa high-toughness rutile type seamless flux-cored wire

Номер: CN115990728A
Автор: ZHANG WENJUN, ZHANG XIAO, WEI MENGFEI, XU FEI
Принадлежит:

The invention provides a 5Y-grade 460MPa high-toughness rutile type seamless flux-cored wire which comprises a low-carbon steel sheath and flux core powder, and the flux core powder comprises, by mass, 35%-40% of rutile, 2%-4% of potassium sodium titanate, 3%-5% of magnesium powder, 2%-3% of ferrotitanium, 4%-6% of manganese-silicon alloy, 0.5%-1.5% of zircon sand, 1%-3% of aluminum oxide, 0.5%-2% of quartz and 2%-3% of sodium fluoride. The alloy comprises, by weight, 0.5%-2% of rare earth iron alloy, 6%-8% of nickel powder, 4%-6% of electrolytic manganese metal and the balance iron powder. The melting point of welding slag is controlled by controlling the content of quartz and aluminum oxide, the forming effect of a welding seam is improved, meanwhile, sodium potassium titanate and sodium fluoride are adopted for balancing arc stability and arc stiffness, and good welding manufacturability is guaranteed; and under the action of various alloy deoxidizers, the morphology of inclusions in ...

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Номер записи: 75
08-09-2017 дата публикации

Method for reducing dry linting of paper-making reconstituted tobacco

Номер: CN0107136554A
Автор: ZHENG JIANYU, ZHOU GUIYUAN, LIU CHANGBO, ZHANG WENJUN, CHEN YUCHAO, CHEN SHAOQUAN, WEI MINGWEN, ZHANG MENGYUAN
Принадлежит:

... 本发明公开了种减少造纸法再造烟叶掉粉的方法，属造纸法再造烟叶生产技术领域。将经过提取后的造纸法再造烟叶生产原料，加水稀释后使其充分吸水润胀，在定的浓度和和流量下，用稳定的功率进行两级初磨和级精磨的三级串联式磨浆方式进行制浆，使浆料充分分丝帚化，并调整打浆度为45‑75°SR，然后按造纸法再造烟叶的生产工艺流程制备得到造纸法再造烟叶产品。用本发明生产制备造纸法再造烟叶，产品的掉粉掉渣现象能够有效的得到改善。 ...

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Номер записи: 76
20-07-2016 дата публикации

SCR (selective catalytic reduction) denitration device

Номер: CN0205386409U
Автор: LI JUNWEI, MA HONGXI, ZHANG WENJUN
Принадлежит:

... 本实用新型公开了种SCR脱硝装置，包括：烟道，具有进气口和出气口，烟气从所述进气口流向所述出气口；至少个喷氨管道层，所述喷氨管道层包括多个喷氨管道，且相邻的所述喷氨管道之间具有间隙，所述间隙的宽度沿着所述烟气的流通方向先减小后增大，所述喷氨管道朝向所述间隙的侧壁上设有多个喷氨气孔；所述喷氨管道层穿设在所述烟道中，且所述烟道中的烟气经所述间隙穿过所述喷氨管道层。本实用新型的SCR脱硝装置结构简单，不需要另外设置文丘里管，就可以优化烟气和氨气的混合效果，并且缩短了混合距离，降低了操作压降，从而进步节约了能源，降低了烟气处理成本。 ...

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Номер записи: 77
08-08-2023 дата публикации

Foreign trade logistics platform based on improved deep learning algorithm model

Номер: CN116562740A
Автор: HU XINRAN, ZHANG WENJUN, LIU YAN, ZHONG MIN, YANG CHAO
Принадлежит:

The invention discloses a foreign trade logistics platform based on an improved deep learning algorithm model, relates to the technical field of data information processing, and mainly solves the problem of data information processing lag of the foreign trade logistics platform. The foreign trade logistics platform based on the improved deep learning algorithm model comprises a data acquisition module, a data processing module, a technology transfer module, an intelligent display module, a data application module and a data analysis module, and classification and verification of foreign trade logistics data information are completed through a clustering verification algorithm. Massive foreign trade logistics data information is detected in real time through the anomaly monitoring model, the data processing efficiency and anomaly detection efficiency are improved through the improved deep learning algorithm, the data information processing capacity is improved, the algorithm complexity is ...

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Номер записи: 78
18-08-2004 дата публикации

数字地面广播传输系统中的信号传输方法

Номер: CN0001521965A
Автор: ZHANG WENJUN, XIA JINSONG, SUN JUN, WENJUN,XIA ZHANG, 张文军
Принадлежит:

The invention discloses a signal transmission method in digital ground surface broadcast transmission system, wherein the transmission signal data is delivered by field unit, each field data includes a plurality of data signals and a field synchronizing signal, a plurality of field data and a frame synchronizing signal form a frame signal, the number of fields forming a frame and the data symbols contained in each field varies with the modulation mode. The transmission mode for each frame is fixed, the transmission mode for each frame can be the same or different. The invention can be applied to optimize the transmission system performance with respect to different transmission conditions.

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Номер записи: 79
11-08-2023 дата публикации

Vehicle-mounted bullet cabinet facilitating gun taking

Номер: CN116572850A
Автор: LU JUNHUA, YE YOULIANG, ZHANG WENJUN
Принадлежит:

The invention discloses a vehicle-mounted bullet cabinet facilitating gun taking, and relates to the technical field of bullet cabinets. The device comprises a box body, a box cover is hinged to the top of the box body, guide sliding frames are arranged on the two sides of the inner wall of the box body, automatic telescopic sliding blocks are slidably connected to the interiors of the guide sliding frames, clamping rods are hinged to the outer sides of the sliding blocks, outer sponge soft sleeves are connected to the outer sides of the clamping rods in a sleeving mode, and the corresponding faces of the two clamping rods are arc faces. The circle center of the arc face coincides with the swing center of the clamping rod, and a torsional spring is arranged at the hinged position of the clamping rod. The clamping surface of the clamping rod is the arc surface, so that the contact area between the clamping rod and a gun is small, the gun is not prone to being clamped, meanwhile, when the ...

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Номер записи: 80
18-08-2004 дата публикации

数字地面广播传输中系统信息的扩展频谱传输方法

Номер: CN0001522066A
Автор: ZHANG WENJUN, XIA JINSONG, SUN JUN, WENJUN,XIA ZHANG, 张文军
Принадлежит:

The invention discloses an expanded frequency spectrum transmission method in digital ground surface broadcast transmission, wherein a randomized 64-bit two-level sequence is used for expressing the system information, the random sequence is produced by a maximum length sequence with length of 63 generated by a 6-bit shifting register and an added 0 or -1, in the receiver, the system information can be obtained through a synchronous correlator and a comparator or by using Walsh transformation. The method can transmit system information under bad channel environment reliably and accurately.

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Номер записи: 81
25-08-2023 дата публикации

Dynamic follow-up diagnosis system for cardiovascular event risk assessment of atrial fibrillation patient

Номер: CN116646087A
Автор: ZHOU MI, ZHANG WENJUN, PENG BO, TAN JING, LIU JUN, YIN LIXUE, LIAO MINGJIAO, ZHANG JUNQING, ZHAO JINYI
Принадлежит:

The invention discloses an atrial fibrillation patient cardiovascular event risk assessment dynamic follow-up diagnosis system which comprises a data acquisition layer, a data storage layer, a data calculation layer and an application layer. The cardiovascular event risk assessment system is established according to large-scale demographic statistics, clinical texts, biochemical indexes and imaging markers of stroke people related to atrial fibrillation, so that the comprehensive risk of suffering from bleeding and ischemic stroke of atrial fibrillation patients is revealed. The risk of occurrence of the cardiovascular event is accurately and individually evaluated by calculating the selected parameters or the dynamic change of the adjustable risk factors, so that an optimal treatment scheme is formulated, targeted treatment is carried out according to individual conditions, and then the risk factors capable of remarkably reducing the cardiovascular event are regulated and controlled.

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Номер записи: 82
06-06-2023 дата публикации

Method and device for determining mold closing degree, readable medium and electronic equipment

Номер: CN116228723A
Автор: WU LEI, ZHANG WENJUN, YIN WENBIN, HUANG FENGQI, WANG XIAOYA, HU YUYANG, ZHOU WENDI, ZHANG JIAXIN, WU MENGBING
Принадлежит:

The invention discloses a mold closing degree determination method and device, a readable medium and electronic equipment. The mold closing degree determination method comprises the steps that a first to-be-detected image corresponding to a first contact surface of a model and a second to-be-detected image corresponding to a second contact surface in the model for mold closing with the first contact surface are determined; the first to-be-detected image comprises at least one first patch, and the second to-be-detected image comprises at least one second patch; the first plaques and the second plaques are in one-to-one correspondence; determining the pixel area of each first patch and the pixel area of each second patch; determining the mold closing degree of the first contact surface and the second contact surface of the model according to the pixel area of the first patch and the pixel area of the second patch; according to the invention, the first plaque and the second plaque are determined ...

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Номер записи: 83
27-08-2021 дата публикации

Deamination treatment system

Номер: CN214059976U
Автор: HU MEIWEI, ZHU BIYUN, ZHANG WENJUN, ZHOU FUWEI, WANG ZHUO, 胡美为, 朱碧云, 张文军, 周福伟, 王卓
Принадлежит: KUNSHAN SANYI ENV PROT TECH CO LTD, KUNSHAN SANYI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD., 昆山三一环保科技有限公司

The utility model provides a deamination treatment system, which comprises a deamination tower, the upstream of the deamination tower is communicated with a feeding subsystem, so that ammonia-nitrogen wastewater to be treated is fed into the deamination tower through the feeding subsystem; the evaporator is arranged at the downstream of the deamination tower; wherein the top of the deamination tower is communicated with the evaporator so as to feed steam containing ammonia into the evaporator, and the evaporator is further communicated with a tower body of the deamination tower through a separator and a compressor in sequence, so that secondary steam subjected to gas-liquid separation is heated and pressurized and then returns to the deamination tower. In this way, the deamination tower and the mechanical vapor recompression (MVR) equipment are coupled, secondary vapor generated by vapor is compressed by the compressor and then supplies heat to the deamination tower, and self-supply type ...

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Номер записи: 84
23-05-2023 дата публикации

Application data detection method and device, terminal equipment and computer readable medium

Номер: CN116149936A
Автор: FENG YUNA, ZHANG XUAN, MA QIANLI, HUANG CHENTAO, WEI BORU, YANG YUJIAO, ZHANG WENJUN
Принадлежит:

The embodiment of the invention discloses an application data detection method and device, terminal equipment and a computer readable medium. According to one specific embodiment, the method comprises the steps that in response to determining that a target application runs at a front end, running data of the target application are detected, and a target behavior detection program is set in an installation package of the target application; in response to the detected target behavior, generating behavior data of the target behavior; and in response to determining that the operation of the target application is finished, analyzing the generated behavior data, and determining and outputting a detection result of the target application. The implementation mode is related to a platform test technology, and the target behavior (such as a sensitive behavior) in the application can be detected in the application running process, so that the index test of the application is realized, such as whether ...

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Номер записи: 85
29-08-2023 дата публикации

Flow line equipment for forming production of paper-plastic products

Номер: CN116657445A
Автор: ZHU MAOSONG, ZHANG WENJUN, TAN AIMING
Принадлежит:

The invention discloses flow line equipment for forming production of paper-plastic products, relates to the field of paper-plastic forming equipment, and provides the following scheme aiming at the problem that the cost of yield increasing equipment of an existing paper-plastic forming flow line is relatively high: the flow line equipment comprises pulp suction equipment, forming equipment, paper-plastic trimming equipment and discharging equipment, paper pulp transferring equipment is further arranged between the forming equipment and the pulp sucking equipment, and the paper-plastic trimming equipment is further provided with a material taking mechanism. The forming equipment is pressure equipment in which double lines alternately run side by side, each forming line comprises a rack, a cold pressing upper mold, a hot pressing upper mold, a first suction cup frame and two sets of lower molds, the two sets of lower molds are connected in series, the lower molds and the first suction cup ...

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Номер записи: 86
18-04-2023 дата публикации

Two-dimensional image edge enhancement method and application

Номер: CN115984131A
Автор: TANG ZHONGZHI, ZHANG WENJUN, MA WEIDONG, XU ZHIGUO
Принадлежит:

The invention discloses a two-dimensional image edge enhancement method and application, and the method comprises the steps: obtaining original ultrasonic image data, and carrying out the preprocessing of the original ultrasonic image data in a first dimension direction and a second dimension direction, so as to obtain image contour data; and performing linear superposition on the original ultrasonic image data and the image contour data to obtain edge-enhanced ultrasonic image data. According to the two-dimensional image edge enhancement method, multi-directional enhancement is carried out on the edge contour of the ultrasonic image under the conditions of multi-dimension, regional and multi-level, image details can be reserved to the maximum extent and new noise is not introduced, the edge of a breast lesion area can be better represented, and diagnosis of a doctor is facilitated.

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Номер записи: 87
16-06-2004 дата публикации

一种用于时域信号处理的均衡器

Номер: CN0001154256C
Автор: ZHANG WENJUN, XIA JINGSONG, RICHARD W CITTA, WENJUN ZHANG, JINGSONG XIA, W.CITTA RICHARD, 张文军, ・西塔, ・勒皮莱斯托
Принадлежит:

... 一种用于时域信号处理的均衡器，在输入信号进入FIR滤波器之前，在回路中加入一个预置信道的线性滤波器，它的滤波系数与FIR滤波器、判决反馈滤波器的滤波系数一道由控制器生成，它具有与传输信道复共轭的冲激响应，其响应函数是传输信道响应函数的共轭值。该均衡器可以用以对付0dB鬼影信号状态。它的稳定性、收敛速度及精确度都得到大幅度提高，改善了系统的同步性。同时也简化了硬件的设计。 ...

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Номер записи: 88
09-05-2023 дата публикации

Automatic blockage cleaning device for discharge port of cut tobacco conveying belt

Номер: CN116081181A
Автор: RAO WENCHANG, ZHOU YUANHAO, SU ZIYU, XU JUETONG, ZHANG WENJUN, CHEN HONGBIAO
Принадлежит:

The invention discloses an automatic blockage cleaning device for a discharge port of a cut tobacco conveying belt, which comprises a discharge bin (1), a pneumatic blowing cleaning nozzle (2), a driving assembly (3), a photoelectric blockage detection alarm (4), a controller (5), an observation turning plate (6) and a conveying belt (7), the downstream end of the conveying belt is arranged close to the discharge bin, and the driving assembly is arranged on the outer side surface of the discharge bin. The device is characterized in that the upper end of the inner side of the discharging bin is provided with a pneumatic discharging and blowing cleaning nozzle and a photoelectric material blocking detection alarm, the photoelectric material blocking detection alarm is used for monitoring the material blocking condition of a discharging bin opening and can give an alarm on site when material blocking happens to the discharging bin opening, and the pneumatic discharging and blowing cleaning ...

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Номер записи: 89
28-07-2023 дата публикации

Process flow for identifying abnormity in wafer process

Номер: CN116504673A
Автор: SUN RUOLI, ZHAO JIA, ZHANG WENJUN
Принадлежит:

The invention relates to a technological process for identifying abnormity in a wafer process, which belongs to the technical field of silicon wafer processing and comprises the following operation steps of: 1, a pre-processing procedure; 2, after the pre-processing procedure is completed, the wafer enters a polishing procedure, and double-sided polishing or edge polishing is firstly carried out in the polishing procedure; after double-sided polishing is completed, a flatness detection procedure I is carried out; and after edge polishing is completed, the flatness detection procedure III is carried out. And thirdly, after the flatness detection procedure I tests that no abnormity exists, edge polishing is carried out, and after edge polishing is completed, testing of the flatness detection procedure II is carried out. And after the flatness detection process III tests that no abnormity exists, double-sided polishing is carried out, and after double-sided polishing is completed, testing ...

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Номер записи: 90
18-04-2023 дата публикации

Transportation tool for stairs

Номер: CN115973698A
Автор: MA ZHANYU, ZHANG CHUNJIE, CHEN ZHONG, ZHANG CHONG, LI FEN, ZHANG WENJUN, GONG JINGKU
Принадлежит:

The transport tool comprises a slope conveying frame and a transport vehicle, the slope conveying frame is fixedly arranged along a slope of the stairway, the transport vehicle moves along the slope conveying frame, the slope conveying frame comprises a telescopic conveying frame and a plurality of fixed conveying frames which are sequentially and linearly arranged from top to bottom, and the telescopic conveying frame and the fixed conveying frames are arranged on the slope conveying frame. The fixed conveying frame comprises two fixed frame bodies which are arranged in parallel, fixed rails and fixed chains are fixedly arranged on the upper surfaces of the two fixed frame bodies in the length direction of the fixed frame bodies, the telescopic conveying frame comprises two telescopic outer frame bodies which are arranged in parallel, and telescopic inner frame bodies are arranged in the two telescopic outer frame bodies in a sliding mode; telescopic outer rails and telescopic chains are ...

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Номер записи: 91
16-05-2023 дата публикации

Anti-tumor and anti-virus compound Talpacasin A-C as well as preparation method and application thereof

Номер: CN116120222A
Автор: ZHANG CHANGSHENG, DING XUEMIN, ZHANG WENJUN, YE WEIXIA, TAN BIN, LIU WEI, SUN LILI, QIAO YULEI, ZHANG QINGBO, ZHANG HAIBO
Принадлежит:

The invention discloses an anti-tumor and anti-virus compound Talpacasin A-C as well as a preparation method and application of the anti-tumor and anti-virus compound Talpacasin A-C. The invention provides a compound Talpacasin A-C which is novel in structure and has anti-tumor and anti-virus activity. In addition to the rare 16 beta-methyl group, the compound Talpacasin A-C has the following structural formula shown in the description. Wherein the compound Talpacasin C has a special 2-oxabicyclo-nonane-3-ketone unit, also has selective and efficient activity on tumor cells and viruses, and is an ideal candidate compound developed into an efficient and low-toxicity anti-tumor and anti-virus compound.

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Номер записи: 92
01-08-2023 дата публикации

Coded video data processing method and video coding processor

Номер: CN116527912A
Автор: AN JICHENG, TIAN WEIFENG, ZHANG WENJUN, GUAN RENLIANG, HUANG HAIYU
Принадлежит:

The invention relates to an encoded video data processing method and a video encoding processor. And adjusting a predictive coding mode of at least part of video data of the coded video data at the first node to improve a prediction effect, and obtaining secondary coded video data. And sending the secondary coded video data to the second node. And at the second node, recovering at least part of video data obtained by adjusting the predictive coding mode in the secondary coding video data into the video data of the original video data predictive coding mode to obtain recovered coding video data. Therefore, the transmitted secondary coded video data has a data volume smaller than that of the original coded video data, and bandwidth resources required by video data transmission can be reduced. And on the other hand, the secondary coding video data can be recovered to the original coding video data before the video data is provided for the client of the user, so that the coding video data processing ...

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Номер записи: 93
22-08-2023 дата публикации

Pulsation flash welding method for eliminating martensite

Номер: CN116618812A
Автор: CHEN JIAN, ZHANG WENJUN, ZHANG YINLONG, HAN BING, ZHANG XUECHAO, WANG YONGGANG
Принадлежит:

The invention discloses a pulse flash welding method for eliminating martensite, which belongs to the technical field of steel rail welding, and comprises the following steps: step 1, comparing a steel rail component table and selecting a qualified steel rail, step 2, cleaning impurities and oxides on the end surface of the steel rail to be welded before welding, and meanwhile, carrying out secondary grinding on the end surface of the steel rail by using an end grinding machine, the welding parameters comprise welding voltage, welding current, top forging amount, top forging time, top forging speed and top forging force, the fourth step of welding, heat preservation treatment is conducted on a welding head, then pulse flash welding is conducted, and the pulse flash welding step comprises the five stages of early-stage flash flattening, middle-stage pulse, final-stage acceleration, top forging and pressure maintaining. And fifthly, quality detection is conducted, and martensite detection ...

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Номер записи: 94
30-05-2023 дата публикации

Mechanical arm internal model control method based on self-adaptive friction compensation

Номер: CN116175590A
Автор: PING ZHAOWU, XU CHENGTAO, ZHANG WENJUN, HUANG YUNZHI
Принадлежит:

The invention discloses a mechanical arm internal model control method based on self-adaptive friction compensation, and relates to the field of mechanical arm system control. The method comprises the following steps: step 1, establishing a dynamic model of an n-degree-of-freedom mechanical arm system; 2, designing an internal model, and converting a position tracking and interference suppression problem of the mechanical arm system into a stabilization problem of an augmentation system composed of the system and the internal model; and step 3, designing a final controller, compensating the friction force and solving the stabilization problem of the augmented system. The internal model controller based on self-adaptive friction compensation is designed for the situation that external torque disturbance and friction force exist in the actual operation of the mechanical arm system, interference suppression and friction compensation can be carried out on the mechanical arm system under the ...

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Номер записи: 95
13-04-2021 дата публикации

Oil-water separation device for sewage

Номер: CN212954578U
Автор: WU HAIYONG, FENG QIANG, WANG JUNKAI, ZHANG WENJUN, WANG WENLI, GAO ZHENNING, ZHAO ZHONGTANG, WANG WENDONG, XIN YUNXING, 吴海勇, 冯强, 王俊凯, 张文军, 王文莉, 高振宁, 赵忠堂, 王文东, 辛云星
Принадлежит: WU HAIYONG, 吴海勇

The utility model belongs to the technical field of oil-water separation devices, and particularly relates to a sewage oil-water separation device which comprises an oil-water separation device body, a protective cover is installed on the upper surface of the oil-water separation device body, and a sewage inlet is fixedly welded to one end of the oil-water separation device body. A water outlet is fixedly welded to the other end of the oil-water separation device body, a mounting base is fixedly welded to the end of the sewage inlet, and a side plate is integrally formed at the edge of the interior of the mounting base; by designing the side plate in the mounting base and designing the filter screen in the side plate, the problems that when the oil-water separation device is used, a sewage inlet is inconvenient for filtering large sundries, the device is easy to block when entering the device for operation, and the filter screen can be placed in the side plate until the surface of the frame ...

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Номер записи: 96
26-05-2023 дата публикации

Method for comprehensively controlling temperature of zinc pot in hot galvanizing process

Номер: CN116162883A
Автор: BAI ZHENHUA, ZHANG WENJUN, WANG XIAOJIAN, QIAN SHENG, ZHANG JI, LIU GEFEI
Принадлежит:

The invention discloses a zinc pot temperature comprehensive control method in a hot galvanizing process, which comprises the following steps: acquiring strip steel specification parameters, physical parameters and unit operation process parameters, and calculating the amount of zinc pot temperature fluctuation caused by first strip steel; judging whether the amount of the zinc pot temperature fluctuation caused by the first strip steel is greater than the maximum fluctuation amount in the temperature fluctuation range of the zinc liquid under the action of the scraper, adjusting the scraper force, and obtaining the amount of the zinc pot temperature fluctuation caused by the second strip steel; judging whether the amount of the zinc pot temperature fluctuation caused by the second strip steel is greater than the maximum fluctuation amount within the range of the temperature fluctuation generated by the zinc pot at different strip steel running speeds, adjusting the strip steel running ...

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Номер записи: 97
22-09-2004 дата публикации

高清晰度电子鱼缸的视频播放设备和显示系统

Номер: CN0001168298C
Автор: ZHANG WENJUN, FANG XIANGZHONG, LONG HUQIANG, WENJUN ZHANG, XIANGZHONG FANG, HUQIANG LONG, 张文军
Принадлежит:

... 一种高清晰度电子鱼缸的视频播放设备和显示系统。视频播放设备包括：CPU及播放码率控制单元、硬盘驱动器、IDE接口及逻辑控制单元、FIFO数据缓冲单元、MPEG-2解码单元和控制按键及显示单元。该视频播放设备采用单片微控制器作为主控制器，以IDE接口硬盘作为专门拍摄的电子鱼缸影视节目的信息数据的存储介质。显示系统包括：上述的高清晰度电子鱼缸的视频播放设备和高清晰度大屏幕平面显示屏，所述的视频播放设备提供高清晰度、多节目的电子鱼缸节目的播放视频信号，显示屏采用高清晰度大屏幕平面的液晶显示屏或者等离子体显示屏或者FED。本发明具有整体体积小、厚度薄、重量轻、便于安装、以及安全可靠的优点，更适合于各种公众场合或家庭的使用。 ...

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Номер записи: 98
23-06-2023 дата публикации

Neural network tracking control method for two-stage inverted pendulum system with friction compensation

Номер: CN116300464A
Автор: PING ZHAOWU, ZHANG WENJUN, XU CHENGTAO, HUANG YUNZHI
Принадлежит:

The invention discloses a two-stage inverted pendulum system neural network tracking control method with friction compensation, which relates to the field of nonlinear system control, and comprises the following steps: step 1, establishing a discrete time model of a two-stage inverted pendulum system; 2, describing a tracking control problem of the two-stage inverted pendulum system as a discrete time nonlinear output adjustment problem; 3, designing a neural network controller based on a discrete time nonlinear output regulation theory under the condition of not considering the friction force; 4, designing a disturbance observer; and step 5, combining the neural network controller and the disturbance observer to obtain a final controller. According to the invention, the problem of tracking control of the two-stage inverted pendulum system under the influence of friction force is solved, and high-precision tracking performance is achieved.

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Номер записи: 99
29-06-2016 дата публикации

A roll formula signboard for warning

Номер: CN0205354565U
Автор: ZHANG WENJUN
Принадлежит:

... 本实用新型提供了一种用于警示的滚动式标识牌，包括画布以及连接在画布两端的画布转动轴和套管，画布卷绕在画布转动轴上，基座部分包括两根立柱，每根立柱连接有底座，告示牌部分固定于两根立柱之间。其中画布转动轴两端分别与一根立柱固定，套管两端为环扣结构，环扣套在立柱上，其中一端的环扣连接有摇柄，摇柄控制套管沿立柱上下滑动，完成画布内容的切换。当套管向下滑动时，画布离开画布转动轴卷入套管上。每根立柱的底部均连接有单独的底座，立柱和底座之间为可拆卸结构。本实用新型可随时切换标识牌内容，无需携带多种标识牌，节约空间，并且重量较轻，方便运送。 ...

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Номер записи: 100