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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.
02-06-2023 дата публикации

Knowledge graph perception-based air-ground cooperative unloading and content acquisition method

Номер: CN116208970A
Автор: CHEN GENG, ZHOU YUXIANG, GUO YINJING, ZENG QINGTIAN, ZHANG YUDONG, SUN HONGYU, LU XIANG
Принадлежит:

The invention discloses an air-ground cooperative unloading and content acquisition method based on knowledge graph perception, and belongs to the technical field of mobile communication, and the method comprises the following steps: constructing an air-ground cooperative unloading and content acquisition model in a vehicle-mounted ad hoc network environment in a marginal city environment under the coverage of a 5G macro base station; dynamically arranging and constructing an edge service knowledge graph based on edge node attributes and a plurality of time-varying parameter knowledge relationships between nodes; establishing a multi-performance index weighted system utility function; theoretical optimization and cutting near-end strategy optimization algorithms are adopted to construct an air-ground cooperative unloading and content acquisition optimal strategy based on edge service knowledge graph perception for different types of user requirements. According to the method, the problems ...

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Номер записи: 1
18-04-2023 дата публикации

Advertisement domain knowledge graph construction method based on illegal advertisement cases

Номер: CN115982381A
Автор: ZHAO HUA, ZENG QINGTIAN, ZHANG PEIXIN, BI LIJUN, NI WEIJIAN, ZHANG FENG
Принадлежит:

The invention discloses an advertisement field knowledge graph construction method based on illegal advertisement cases, and relates to the technical field of knowledge graph construction. The advertisement domain knowledge graph construction method based on the illegal advertisement case comprises the following steps: obtaining an advertisement named entity, defining the entity, extracting the named entity by adopting a Bi-LSTM-CRF model, taking an extraction system as a relation of a legal instrument, establishing a relation extraction model, and extracting an entity relation based on a GRU and Attention mechanism. According to the advertisement field knowledge graph construction method based on the illegal advertisement cases, for a relation extraction task, a multi-task joint semantic relation extraction model fused with translation embedding is provided, meanwhile, context-combined case knowledge representation learning is obtained, a knowledge graph is automatically constructed through ...

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Номер записи: 2
23-06-2023 дата публикации

Building construction detection device

Номер: CN116297856A
Автор: SONG XIAOJUN, XIA HONGBING, GUO BIN, YANG ZIDAO, HONG YAO, CHEN WEIHUA, ZENG QINGTIAN, WANG LIN, SONG XIAOFENG, WANG ZHANPENG
Принадлежит:

A building construction detection device disclosed by the present invention comprises a detection box and a plurality of groups of hollow drum hammers, the plurality of groups of hollow drum hammers are slidably arranged below the detection box, the heights of the plurality of groups of hollow drum hammers to the ground are gradually changed in sequence, and a gradually changing lifting transmission mechanism for driving the plurality of groups of hollow drum hammers to sequentially descend in sequence is arranged in the detection box. The bottom end of the gradual change lifting transmission mechanism is provided with a rotating ring group, the rotating ring group comprises a plurality of groups of fixed rotating rings which are coaxially sleeved from inside to outside in sequence, the hollow drum hammers are arranged below the fixed rotating rings, and one side of the gradual change lifting transmission mechanism is provided with a self-adaptive rotating driving mechanism for driving ...

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Номер записи: 3
23-06-2023 дата публикации

Evaluation equipment for roughness of joint surface of precast concrete member

Номер: CN116295140A
Автор: GUO BIN, XIA HONGBING, YANG ZIDAO, CHEN WEIHUA, ZENG QINGTIAN, WANG LIN, SONG XIAOFENG, WANG DONGHUI, LIU YONGGANG, LING JINGQING, XU LIANG
Принадлежит:

The invention discloses evaluation equipment for roughness of a joint surface of a precast concrete member. The evaluation equipment comprises an evaluation equipment main body, a detection structure, a control structure, a locking structure and a data reading structure, the detection structure is arranged in the evaluation equipment main body; the control structure is arranged on the upper side in the evaluation equipment main body; the locking structure is arranged at the lower end in the evaluation equipment main body; the data reading structure is arranged at the lower end of the front side outside the evaluation equipment body. The device has the advantages that any joint surface of the precast concrete member can be detected according to the placement position of the evaluation box, the problem that only the measurement of a horizontal upward surface can be solved, a concave-convex rough surface structure is simulated through the detection needle and the elastic sheet, powder filling ...

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Номер записи: 4
06-06-2023 дата публикации

Ultra-low complexity maximum pooling back propagation architecture for CNN (Convolutional Neural Network)

Номер: CN116227576A
Автор: ZHANG XIAOJUN, ZHU CHENSHI, WANG XIAOJING, ZENG QINGTIAN, CHEN DA, LU FAMING, SONG GE, HAN QIN, GUO HUA, ZHANG DEXUE
Принадлежит:

The invention discloses an ultra-low complexity maximum pooling back propagation architecture for a CNN (convolutional neural network), and mainly aims to solve the problems that a traditional recovery matrix algorithm is adopted for maximum pooling back propagation of the CNN, most of recovery matrixes are zero values, and a large number of storage resources are wasted due to direct storage of a recovery matrix C. According to data characteristics of sparsity in an input matrix, the Matrix mapping logic operation is realized and designed by adopting an improved algorithm, a mapping address of the input matrix in a convolution kernel window is directly obtained, whether the mapping address is located in a current window or not is judged, the mapping address does not need to be recovered into an original matrix, a data storage scheme is optimized, and a non-zero value is selected for convolution hardware implementation; therefore, the hardware implementation frequency in the reverse maximum ...

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Номер записи: 5
04-07-2023 дата публикации

Testing device for migration law of moraine fine particles under seepage action

Номер: CN116380725A
Автор: ZENG QINGTIAN, LIU WENLIAN, ZHU QIANKUN, SUI SUGANG, WU LIANRONG, XU HANHUA, LI ZHENGRONG, HAN PENGWEI, DU GUIQUAN, LIAO SHAOZHONG
Принадлежит:

The invention provides a device for testing the migration law of moraine fine particles under the seepage action, belongs to the field of geological tests, and is used for solving the problems that in the prior art, the automation degree is low, and the test effect is not intuitive. The layering unit can be transversely mounted in the test box in a sliding manner and is used for layering moraine objects; the screening unit is mounted on one side outside the test box, is located in the transverse sliding direction of the layering unit and is used for screening moraine in the layering unit; and the storage unit is mounted above the test box and is used for feeding test raw materials. Different markers are added at different depths of a moraine soil layer, the soil layer is divided into a plurality of layers from top to bottom after permeation sedimentation, screening is performed respectively, the final staying positions and the number of the different markers are determined, the sedimentation ...

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Номер записи: 6
25-04-2023 дата публикации

Verilog HDL code generation method for convolutional neural network state machine

Номер: CN116009870A
Автор: ZHANG XIAOJUN, HAN QIN, XU HAO, ZENG QINGTIAN, CHEN DA, LU FAMING, ZHANG DEXUE, GUO HUA, WEI AYING
Принадлежит:

The invention discloses a Verilog HDL code generation method for a convolutional neural network state machine, belongs to the technical field of computers, and aims to provide a CNN state machine described by using a Verilog HDL and a tool for automatically generating codes, and by re-integrating data of an output matrix, an input matrix, a weight matrix and an offset matrix of a CNN, the data of the input matrix, the weight matrix and the offset matrix is obtained. And the stored and read data scale and the operation level of the convolutional neural network are manually input by a user, and a state machine of the hardware CNN is automatically generated. According to the method, the Verilog HDL code is generated by using the C language, a large number of internal parameters are hidden in the code when the code is generated, and a layer of state machine can be generated by inputting a small number of external parameters. Different state machines are correspondingly generated by inputting ...

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Номер записи: 7
06-06-2023 дата публикации

High-pressure-resistant small-flow grouting test slurry storage device and grouting test method

Номер: CN116216111A
Автор: FENG XINGLONG, WU AIXIANG, LI ZHENGRONG, WANG SHAOYONG, ZENG QINGTIAN, WANG HUIYUN, CHEN CHONG, LI YONGXIANG, ZHU QIANKUN, SU YAN, SUN XINING, WU LIANRONG, HUANG HENG, WEI QINGXI
Принадлежит:

The invention relates to the technical field of indoor grouting tests in geotechnical engineering, in particular to a high-pressure-resistant small-flow grouting test slurry storage device which comprises a high-pressure-resistant slurry storage tank, the high-pressure-resistant slurry storage tank is integrally formed in a die-casting mode, an arc-shaped bottom protruding outwards is formed at the bottom of the high-pressure-resistant slurry storage tank, and a flange plate is welded to the top of the high-pressure-resistant slurry storage tank. A high-pressure cover plate is mounted on the flange plate; the high-pressure cover plate is provided with a safety valve hole, a pressure gauge hole, an air inlet hole and a feeding hole which are respectively provided with a safety valve, a pressure gauge, an air inlet pipe and a feeding funnel; a slurry outlet pipe is arranged in the center of the arc-shaped bottom and provided with a flow meter, and a magnetic stirrer is welded to the side ...

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Номер записи: 8
21-07-2023 дата публикации

Detachable roadway type mud-water separation and concrete plugging structure and construction method thereof

Номер: CN116464485A
Автор: LI ZHENGRONG, NIU XIANGDONG, FENG XINGLONG, HOU KEPENG, ZENG QINGTIAN, YANG BAJIU, GUO ZUJIANG, HUANG HENG, WEI YINHONG
Принадлежит:

The invention discloses a detachable roadway type mud-water separation and concrete plugging structure and a construction method thereof, and aims to solve the problem that underground debris flow accidents are caused by mud formed due to rainfall when a mine is mined by using a caving method. A traditional slurry treatment technology is poor in effect and high in cost, so that the detachable roadway type mud-water separation and concrete plugging structure and the construction method thereof are provided, solid particles and water in slurry are separated more quickly and more effectively, and the plugging effect is achieved. The structure comprises a rough filtering layer, a blocking layer and a fine filtering net cylinder. The outer side of the rough filtering layer is connected with the inner side of the roadway through steel bars. The blocking layer is of a concrete structure internally provided with steel bars arranged in a crossed mode and is provided with threaded holes for installing ...

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Номер записи: 9
30-06-2023 дата публикации

Bottom ore receiving structure for natural caving mining

Номер: CN116357323A
Автор: FENG XINGLONG, LEE BYON, ZENG QINGTIAN, YANG YIN, LI ZHENGRONG, LOU HONGWEI, WEI YINHONG, ZHANG SHUANG, ZHAO MINGLIANG, LIANG CHAO, GUO ZUJIANG
Принадлежит:

The bottom ore receiving structure comprises an ore removal roadway, an ore gathering groove is formed in the top end of the ore removal roadway, an anti-blocking device is arranged at the position, located in the middle of the ore gathering groove, of the ore removal roadway, and a servo motor is fixedly installed in the bottom end of the anti-blocking device; an inner groove is formed in the top end, close to the servo motor, of the anti-clamping device, vibrating plates are movably installed at the two ends of the inner groove, a transmission shaft is fixedly installed at the end, located in the inner groove, of an output shaft of the servo motor, and an eccentric disc is fixedly installed on the outer side of the transmission shaft. When the device is used, a servo motor is started to drive a transmission shaft in an inner groove to rotate, the transmission shaft rotates to drive an eccentric disc to rotate, the eccentric disc intermittently impacts vibration plates on the two sides ...

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Номер записи: 10
07-01-2015 дата публикации

Mine ventilation system building method based on DIMINE software

Номер: CN104265349A
Автор: SHU ZONGXIAN, JI XIANWEI, WU DONGXU, ZENG QINGTIAN, WEI RENXU, HE KEKE
Принадлежит:

The invention discloses a mine ventilation system building method based on DIMINE software. According to the method, a mine ventilation system three-dimensional model is built through the DIMINE software; the DIMINE file format of the built ventilation system three-dimensional model is converted into a file format compatible with 3DVent software; according to the ventilation network resolution technology requirements, the mine ventilation network resolution work is completed through combining the actual conditions of a mine; according to the ventilation network resolution result, the mine ventilation system design and modification scheme optimization work is completed; according to the ventilation network resolution result, the three-dimensional visualization and air flow animation simulation software realization technology study of the ventilation network resolution result is developed; and the real three-dimensional visualization and air flow animation simulation of the mine ventilation ...

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Номер записи: 11
25-07-2023 дата публикации

SVMD and MPE-based blasting vibration signal noise reduction method

Номер: CN116484178A
Автор: ZENG QINGTIAN, ZHANG ZHIYU, FENG XINGLONG, HUANG YONGHUI, YANG CHAOYI, LI HONGCHAO, LIU MINGWU, JIA HAOQI, LI ZHENGRONG, WANG JIANGUO, LI XIANGLONG, ZENG HUA
Принадлежит:

The invention discloses a blast vibration signal noise reduction method based on SVMD and MPE. The blast vibration signal noise reduction method comprises the following steps: importing blast vibration signal data into a data processing platform; decomposing the blasting vibration signal data into a plurality of modal functions by adopting an SVMD algorithm; calculating each modal function by adopting an MPE algorithm to obtain an MPE value of each modal function; if the MPE value is not less than a preset value K, determining that the modal function is a noise function; if the MPE value is smaller than K, it is judged that the modal function is useful information, then the modal function of the useful information is reconstructed and combined, and a signal obtained after blasting vibration noise reduction is obtained. The SVMD is adopted to process the vibration signals, the endpoint aliasing effect existing in EMD is solved, the modal functions can be continuously extracted, the number ...

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Номер записи: 12
05-02-2014 дата публикации

Coal mine environment and equipment safety information acquisition and synchronization technology based on mobile terminal

Номер: CN103559783A
Автор: ZENG QINGTIAN, LU FAMING, DUAN HUA, CUI HAIDONG
Принадлежит:

The invention provides a coal mine environment and equipment safety information acquisition and synchronization technology based on a mobile terminal. The technology comprises the mobile terminal, a server, a database, a serial port to wireless fidelity (WiFi) module, a ZigBee gateway module, a ZigBee acquisition module and a browser terminal. A coal mine worker can acquire sensor information and production equipment information in a coal mine through a mobile intelligent terminal, can upload the acquired sensor information to the server through a second generation (2G) or third generation (3G) network, can store the sensor information in the database, and can forward acquired data to the browser terminal through a real-time messaging protocol (RTMP) so as to realize synchronous visual display of the browser terminal and the mobile terminal. The coal mine worker can conveniently monitor the production safety of the mine in real time through the browser terminal and the mobile terminal.

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Номер записи: 13
23-06-2023 дата публикации

Insect image interpretability classification method based on image character generation technology

Номер: CN116310564A
Автор: ZENG QINGTIAN, WANG SHANSONG, SUN JIAN, NI WEIJIAN, DUAN HUA, LI CHAO, SONG GE, LIN ZEDONG
Принадлежит:

The invention discloses a pest image interpretability classification method based on an image text generation technology, and belongs to the technical field of multi-modal data processing, and the method comprises the following steps: collecting and constructing a multi-modal data set with pest images and corresponding text descriptions by using a web crawler technology; using a Faster-RCNN model to identify each body part of the pest image, and extracting features of each body part; generating text description of the pest image by using a Transform model, and fusing the visual features and the text features of the pest image to form joint features; training a classifier by using the combined features to predict category labels of the pests; and in combination with the generated text description and the predicted pest category label, explaining a pest classification result in a text level. According to the method, explanatory text description can be given while pest labels are predicted ...

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Номер записи: 14