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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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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 14. Отображено 14.
12-05-2023 дата публикации

Frequency hopping signal network station sorting method and system based on image processing

Номер: CN116112038A
Автор: WANG YUYANG, HUANG HAO, TAO JIANJUN, TUO YONGJUN, ZHAO HAIJUN, YANG LEYI
Принадлежит:

The invention relates to the technical field of signal processing, and discloses a frequency hopping signal network station sorting method and system based on image processing, and the method comprises the following steps: S1, data generation and collection: generating and collecting frequency hopping signal data of multiple network stations, and representing two network stations of frequency hopping signals of the multiple network stations in a time-frequency waterfall plot; s2, learning: learning data of a specific network station by using an SSD image processing detection framework; and S3, identification: utilizing the learned SSD detection framework to identify coordinates and frequency bands of the frequency hopping network stations needing to be sorted. According to the invention, the problem of low selection success rate during parameter estimation of frequency hopping signals of multiple network stations in the prior art is solved.

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Номер записи: 1
30-06-2023 дата публикации

LATEX normalization method

Номер: CN116363676A
Автор: XU FEI, QIAN KUN, WANG YU, WANG YUYANG
Принадлежит:

The invention discloses an LATEX normalization method, which comprises the steps of inputting a latex expression, rendering katex, recursively analyzing, recoding and proofreading, calling katex by python through multiple threads, rendering the input latex expression, obtaining an intermediate result of katex rendering, and taking the intermediate result as an analytic tree; performing analysis and secondary processing on the analysis tree in a recursion mode; and when the output of the analysis group is {} including the left bracket and the right bracket, judging whether the analysis object is an operator, and if the analysis object is the operator, specifying the name of the operator in front of the left bracket or the right bracket. According to the scheme, latex expressions irrelevant to semantics are removed, some redundant expressions in latex training labels are removed, and the recognition rate of the model is greatly improved; the characters required by the latex for representing ...

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Номер записи: 2
22-08-2023 дата публикации

Quality inspection equipment for magnetic ring transformer

Номер: CN116618321A
Автор: LU ZHUO, ZHANG DINGZHEN, LAN YUNYI, LI HAO, WANG SIYAO, WANG YUYANG, HE WENQIANG, ZHENG ANGUO, XUE WEN, PENG YUANQING
Принадлежит:

The invention discloses magnet ring transformer quality inspection equipment, and relates to the technical field of product detection, the magnet ring transformer quality inspection equipment comprises a feeding mechanism, a transfer detection mechanism, a turntable detection mechanism and a discharging mechanism, the feeding mechanism is provided with a material supply structure and a first transfer structure, and the material supply structure comprises a material disc loaded with a to-be-detected product; the transfer detection mechanism comprises a first detection structure and a second transfer structure, and the first detection structure is used for detecting the appearance of a product; the rotary table rotating mechanism comprises a rotary table assembly and a second detection structure, a plurality of first clamping jigs are arranged on the rotary table assembly in the circumferential direction, the first clamping jigs are used for placing products, and the second detection structure ...

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Номер записи: 3
28-04-2023 дата публикации

Pilot tunnel excavation supporting structure

Номер: CN116025400A
Автор: ZHU LI, SONG LIMIN, KONG SIYANG, XU HAOWEN, LIU YU, ZHANG XIAODONG, WANG CUNPENG, WANG CUNBO, GUO ZHIQIANG, WANG YUYANG
Принадлежит:

The invention discloses a pilot tunnel excavation supporting structure which comprises a fixed bottom plate, a supporting stand column, an arc-shaped supporting frame, a fixed block, a sliding inserting plate, a supporting adjusting structure, a protection buffering structure and a cross beam structure. The pilot tunnel excavation supporting structure is provided with the supporting adjusting structure, and the overall height of the device can be conveniently adjusted through the supporting adjusting structure; the guide hole supporting device is simple in structure, flexible and convenient to adjust and suitable for supporting different guide holes, meanwhile, the guide hole supporting device is provided with a cross beam structure, the overall width of the guide hole supporting device can be adjusted through the cross beam structure, and the whole guide hole supporting device is supported and fixed; the device can be buffered and protected through the buffering and protecting structure ...

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Номер записи: 4
16-05-2023 дата публикации

Internet of vehicles priority distinguishing spectrum allocation method based on deep reinforcement learning

Номер: CN116132952A
Автор: GUAN ZHENG, CAI YU, WANG YUYANG, WANG ZENGWEN, YANG ZHIJUN
Принадлежит:

The invention discloses an Internet of Vehicles priority distinguishing spectrum allocation method based on deep reinforcement learning, which comprises the following steps: step S1, a base station broadcasts a beacon frame and sends link allocation information; s2, the vehicle receives a beacon frame, and selects to transmit a vehicle state information sequence to the base station or send a request to send (RTS) frame to the base station according to the content of the beacon frame; s3, the base station receives the data transmitted by the vehicle and judges the transmission state of the vehicle; s4, the base station performs spectrum allocation on the received vehicle state information sequence by using deep reinforcement learning; and rewards and link state information of deep reinforcement learning are updated according to the link priority. According to the invention, the problem that the V2V link cannot distinguish and realize priority frequency spectrum allocation in the prior art ...

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Номер записи: 5
04-07-2023 дата публикации

Intelligent correction system for paper edition dictation homework

Номер: CN116383353A
Автор: WANG YUYANG, QIAN KUN, XU FEI
Принадлежит:

The invention discloses a paper edition dictation homework intelligent correction system comprising a database used for storing and managing information; the dictation card generation module is connected to the database and is used for generating a dictation card template and storing the template in the database; the printer is connected to the printing device and is used for printing the dictation card template on a paper surface to generate a paper dictation card; the dictation card template comprises an answering area and identity information; the dictation card uploading module is connected to the database and is used for scanning the answer information and the identity information on the paper dictation card and uploading the answer information and the identity information to the database; wherein the answering information is located in the answering area; an intelligent correction module; and the server is connected with the database and used for identifying the answer information ...

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Номер записи: 6
16-05-2023 дата публикации

Frequency hopping signal processing method and system based on binary clustering

Номер: CN116131878A
Автор: WANG YUYANG, TAO JIANJUN, HUANG HAO, WANG ZHENG, CHEN TONG, YANG LEYI
Принадлежит:

The invention relates to the technical field of signal processing, and discloses a frequency hopping signal processing method based on dichotomy clustering, which is used for separating signal data and noise data of a frequency hopping signal by using an adaptive fixed threshold dichotomy clustering algorithm so as to perform de-noising processing on the frequency hopping signal. According to the method, the problems that the instantaneous bandwidth of the frequency hopping signal cannot be estimated and the parameter estimation precision is low in the prior art are solved.

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Номер записи: 7
25-04-2023 дата публикации

Detoxifying agent for aflatoxin M1 in liquid milk as well as preparation method and application of detoxifying agent

Номер: CN115997816A
Автор: XIONG JIANGLIN, WANG CHONG, TAO ANNI, LI RUOYU, ZHANG JIE, CHEN FANGYUAN, WANG YUYANG, QIU YINSHENG, WU LINGYING, WU ZHONGYUAN, YANG HUA
Принадлежит:

The invention discloses a detoxication agent for aflatoxin M1 in liquid milk and a preparation method and application thereof, the detoxication agent for aflatoxin M1 in liquid milk comprises the following components in parts by mass: 0.8-0.9 part of agar, 6-7 parts of sodium bicarbonate and 10-18 parts of montmorillonite. The detoxification agent provided by the invention comprises agar, sodium bicarbonate and montmorillonite, the montmorillonite is mainly used as a detoxification material and plays a role in removing aflatoxin M1 in liquid milk, and the agar and the sodium bicarbonate are mainly used as a shaping material of the detoxification agent and a supporting framework of the detoxification material, have a porous structure and are large in volume-weight ratio and large in surface area; when the obtained detoxification agent is applied to removal of aflatoxin M1 in liquid milk, the detoxification rate is high, and the detoxification agent can be recycled, is safe to use, has no ...

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Номер записи: 8
25-08-2023 дата публикации

Combined ligament repair system

Номер: CN116636892A
Автор: MA BINGCHEN, WANG YUYANG, WANG SHIJIE, ZHENG HANQI, JIANG ZILIN, XUE KUANKUAN
Принадлежит:

The invention relates to the field of medical equipment, in particular to a ligament combined repair system. The fibula connecting piece is provided with an external thread, and the fibula tensioning nut is provided with an internal thread matched with the external thread. And the other end of the fibula connecting piece and the tibia screw are connected with a suture bridge. When the combined ligament repair system is used, after the fibula far-end locking plate is fixed, the kirschner wire is inserted into a preset implant track and penetrates through the fibula to enter a tibial plateau, then a drilling machine is used for penetrating through the kirschner wire to prepare a guide hole in the tibia, and a sliding hole is prepared in the fibula; a screwdriver is used for driving a tibia screw into the tibia through the fibula sliding hole until the tibia screw is flush with the outer side wall of the tibia; and then the fibula connector and the suture bridge which are embedded in the tibia ...

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Номер записи: 9
06-06-2023 дата публикации

Construction method for shield in-ground butt joint in strong water-permeable sand stratum

Номер: CN116220703A
Автор: YAO ZHANHU, ZHANG YAZHOU, LU MINGFEI, XU WENLI, WANG YISHENG, LI HUI, LIANG YUQIANG, ZHANG LEI, SHI ZHIPENG, QIN LE, LI JIAN, ZENG DECHENG, ZHANG XIYING, WEI CHI, YAN XIAO, WEI DAIWEI, WEI TAO, WANG YUYANG, LYU ZHIJIA, WANG JINLI, JI MINGRUI, LI JUNQI, TAO BOWEN, LIU FUYOU, DU ZHENFANG, YANG QIN, SHI JIA, SHI GUOQING, WANG YANG, CAI QI, CHI YI, LIAN DIANCHAO, GE TONGHAO, ZHAO WENQI, XU YONGSHENG, MA RUICHEN, WANG WANYU
Принадлежит:

The invention belongs to the technical field of shield tunnel engineering, and particularly relates to a construction method for shield in-ground butt joint in a strong permeable sand stratum. Comprising the following steps that a preceding shield tunneling machine is shut down for pressure maintaining and peripheral stratum grouting reinforcement, a following shield tunneling machine is subjected to advanced grouting reinforcement, the posture of the following shield tunneling machine is adjusted, and the butt joint position of the two shield tunneling machines is subjected to freezing reinforcement in a soil layer subjected to grouting reinforcement. According to the construction method, the problems that in the strong permeable sand stratum, a single construction method is used for stratum reinforcement, the requirement for shield in-ground butt joint is difficult to meet, and the shield posture in the strong permeable sand stratum is difficult to adjust are solved, the stratum reinforcement ...

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Номер записи: 10
23-06-2023 дата публикации

Practice book marking method

Номер: CN116303871A
Автор: WANG YUYANG, QIAN KUN, WANG YU, LI DONGLIANG
Принадлежит:

The invention discloses an exercise book marking method, a database stores data, an answer sheet is generated, the answer sheet is uploaded, automatic marking and manual marking are carried out, and the answer sheet can be automatically set through student information, test question numbers, answers and teacher custom information in the database; after the answer sheet is uploaded, performing screenshot on the answer area of each question in the student answer sheet picture, identifying the difference between subjective questions and objective questions, and realizing automatic correction of the objective questions by using OCR and confusion analysis; subjective questions are independently displayed and manually read by a teacher. According to the scheme, manual reviewing of subjective questions can be achieved by setting manual reviewing, in addition, objective questions are reviewed automatically, multi-disciplinary selection and blank filling can be supported at the same time, the limitation ...

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Номер записи: 11
30-06-2023 дата публикации

Paper-version English composition automatic correction system and correction method

Номер: CN116363657A
Автор: WANG YUYANG, QIAN KUN, GUO ZIMING
Принадлежит:

The invention discloses an automatic correcting system and correcting method for paper-edition English compositions, and belongs to the field of homework correcting, and the system comprises a database used for storing information required in the homework correcting process; the composition paper generation unit is in signal connection with the database and is used for generating composition paper and a composition paper template required by answering; the test paper uploading unit is in signal connection with the database and is used for uploading composition information after the students answer the test paper; and a correcting unit in signal connection with the database, wherein the correcting unit is used for correcting the answering result of the student. According to the scheme, the paper English composition is automatically corrected, the whole page of composition can be identified and corrected at the same time, and errors and modification suggestions are pointed out at corresponding ...

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Номер записи: 12
09-05-2023 дата публикации

Card number determination method and device, equipment and storage medium

Номер: CN116091194A
Автор: WANG YUYANG, SUN SHAOWEI, YANG BO, SHI XIAOTAO
Принадлежит:

The invention discloses a card number determination method, which comprises the following steps: acquiring an original card number and corresponding attribute information, the attribute information comprising a business rule, an original sequence value and an original check value of the corresponding original card number; desensitizing the original sequence value according to a preset desensitization rule, and determining a target sequence value; verifying the business rule and the target sequence value, and determining a target verification value; and determining a target card number according to the business rule, the target sequence value and the target verification value. According to the technical scheme, desensitization of card numbers of various types of bank cards is supported; a plurality of original card numbers can be subjected to desensitization processing at the same time, and corresponding target card numbers are obtained; and on the premise of ensuring the security of the ...

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Номер записи: 13
16-05-2023 дата публикации

Enterprise information security management system based on big data analysis

Номер: CN116127524A
Автор: ZHANG JINGXIN, ZHANG HAN, SONG YINGYING, WANG YUYANG
Принадлежит:

The invention discloses an enterprise information security management system based on big data analysis, relates to the technical field of information security, and solves the technical problem that corresponding enterprise information is not encrypted, so that hackers can easily steal the enterprise information after breaking through a firewall. Nine groups of data streams are divided into different open data streams and hidden data streams, the open data streams are filled in the open data stream grid template, the hidden data streams are filled in the hidden data stream grid template, the two groups of grid templates are filled in the storage space, and enterprise information is replaced. Enterprise information of different enterprises in the information storage database is encrypted in sequence, when an external hacker intrudes into the system, only two groups of corresponding grid templates can be seen, but the internal splicing logic is not clear, the safety protection effect of the ...

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Номер записи: 14