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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 24. Отображено 24.
07-04-2023 дата публикации

Dual-frequency common antenna device based on 230MHz/510MHz narrow band

Номер: CN115939761A
Принадлежит:

The antenna main body in the dual-frequency common antenna device can be an existing spiral antenna, a printed circuit board antenna or a flexible circuit board antenna, the problems that the size of a circuit board is too large and miniaturization is not facilitated due to the fact that the antenna is too long are solved, assembly errors in production can be prevented, and the dual-frequency common antenna device is low in cost and suitable for large-scale mass production; meanwhile, the conduction state of the change-over switch is controlled through the control module, the 230MHz and 510MHz frequency band antennas are combined into a whole, the same antenna has the function of communication between two frequency bands, and the antenna utilization rate is high. The antenna is mainly a dual-frequency common antenna device. Comprising a first antenna main body, a second antenna main body, a control module, a first matching network, a second matching network, a first change-over switch arranged ...

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24-01-2019 дата публикации

MULTI-FUNCTIONAL DISTRIBUTED OPTICAL FIBRE SENSING DEVICE

Номер: WO2019015426A1
Принадлежит:

Disclosed is a multi-functional distributed optical fibre sensing device, comprising a laser (1), a first optical fibre coupler (201), a second optical fibre coupler (202), a third optical fibre coupler (211), a fourth optical fibre coupler (212), an acoustic-optical modulator (3), an optical fibre annular device (4), an optical interface (5), a first photoelectric detector (601), a second photoelectric detector (602), a first bandpass filter (701), a second bandpass filter (702), a third bandpass filter (711), a fourth bandpass filter (712), a first low noise amplifier (801), a second low noise amplifier (802), an optical switch (9), a frequency synthesiser (10), a frequency mixer (11), a low pass filter (12), a dual-channel data collection and processing module (13), and a computer (14).

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06-06-2023 дата публикации

Cooperative positioning method and device, computer equipment and computer readable storage medium

Номер: CN116233732A
Принадлежит:

The embodiment of the invention provides a cooperative positioning method, apparatus and device, and a computer readable storage medium, and the method comprises the steps: for a to-be-positioned mobile terminal in a long and narrow space, using an AP started in an effective distance measurement range of the mobile terminal, performing preliminary prediction on the position of the mobile terminal based on a robust adaptive Kalman filtering algorithm; adjusting the preliminary prediction result based on the offset function and the fluctuation function of each AP, and taking the adjustment result as the final positioning result of the mobile terminal; wherein the deviation function and the fluctuation function of the AP are obtained through pre-fitting according to historical data. According to the embodiment of the invention, the positioning performance under the linear coverage condition of the positioning AP in the long and narrow terrain can be optimized, and the positioning accuracy ...

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08-05-2014 дата публикации

AUDIO INTERACTION METHOD, DEVICE AND SYSTEM

Номер: WO2014067443A1
Принадлежит:

An audio interaction method, device and system, the method comprising: determining a user attribute tag, and dividing the users into N groups based on the user attribute tag, wherein N is a positive integer of at least 2 (101); recording a user audio file, and extracting the decibel information of the user audio file from the recorded user audio file (102); comparing the extracted decibel information of the user audio file with the decibel information of other users in a group different from the group that the user belongs to, and presenting the comparison result (103).

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08-08-2023 дата публикации

Local communication service resource isolation method and device, storage medium and electronic equipment

Номер: CN116567825A
Принадлежит:

The invention discloses a local communication service resource isolation method and device, a storage medium and electronic equipment, and the method comprises the steps: calculating a resource demand and an access value of a communication service based on the access information of the communication service; on the basis of the orthogonal frequency division multiple access technology, the problem of resource allocation for communication services according to resource requirements and access values is abstracted into a two-dimensional matrix boxing problem, a pointer network and an Actor-Critic algorithm are adopted to solve the two-dimensional matrix boxing problem, a network slice allocation result of the communication services is obtained, and therefore the network slice allocation efficiency is improved through the OFDMA technology and the like. According to the method, reasonable utilization of spectrum resources is realized, and meanwhile, during allocation, resource requirements and ...

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28-05-2020 дата публикации

EXPERIMENT DEVICE AND EXPERIMENT METHOD FOR ANIMAL INSTINCT FEAR BEHAVIOR

Номер: WO2020103261A1
Принадлежит:

Disclosed are an experiment device and experiment method for animal instinct fear behavior. The experiment device comprises a camera system arranged at the upper portion and a first experiment box configured to accommodate a predator; multiple partition plates are provided in a central experiment box, wherein the multiple partition plates divide space between the first experiment box and the central experiment box into multiple movable boxes; each second experiment box is configured to accommodate the predator and is in communication with a corresponding movable box via one connecting channel; and each movable box is connected to one second experiment box via one connecting channel, and openings are formed in the connecting portions between the connecting channel and the movable box and between the connecting channel and the second experiment box for communication.

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02-04-2020 дата публикации

DOUBLE OPTICAL FIBER STRUCTURE AND PREPARATION METHOD THEREFOR

Номер: WO2020062653A1
Принадлежит:

Disclosed is a double optical fiber structure comprising two single optical fiber structures and viscose (30); the single optical fiber structure comprises an optical fiber head (10) and an optical fiber (20); a mounting hole is formed in a lower end surface of the optical fiber head (10), and one end of the optical fiber (20) is fixed in the mounting hole; the two single optical fiber structures are spaced apart from each other; the lower parts of the two optical fiber heads (10) are bonded by the viscose (30); and the distance between the two single optical fiber structures is gradually reduced in a direction from the upper end of the optical fiber head (10) to the lower end of the optical fiber (20).

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16-01-2020 дата публикации

LIQUID DISPENSER

Номер: WO2020010683A1
Принадлежит:

A liquid dispenser, comprising a liquid dispenser shell (1) that is provided with a cavity (11); one liquid inlet hole (12) and a plurality of liquid outlet holes (13) that are provided on the liquid dispenser shell (1), the liquid inlet hole (12) and the liquid outlet holes (13) both being in communication with the cavity (11); and positioning members (15), the positioning members (15) being disposed on the liquid dispenser shell (1), and the positioning members (15) being configured to allow the liquid dispenser and a porous plate for liquid dispensation to be positioned and matched with each other.

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05-12-2019 дата публикации

ANIMAL SWIMMING TEST DEVICE AND TEST METHOD

Номер: WO2019227714A1
Принадлежит:

Disclosed are an animal swimming test device and a test method, the animal swimming test device comprising a plurality of transparent test barrels (1); the animal swimming test device further comprises: a camera (2), a filtration device (3) and a circulation device (4); the circulation device (4) is configured to communicate two adjacent transparent test barrels (1) and to drive water in the two adjacent transparent test barrels (1) to be circularly filtered by the filtration device (3).

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17-09-2015 дата публикации

LIGHTNING STRIKE DISTINGUISHING AND LOCATING METHOD FOR OPTICAL FIBRE COMPOSITE OVERHEAD GROUND WIRE

Номер: WO2015135485A1
Принадлежит:

A lightning strike distinguishing and locating method for an optical fibre composite overhead ground wire. The method comprises: according to the characteristic that the temperature in a position of an optical fibre composite overhead ground wire which is struck by lightning may suddenly rise due to lightning strike, by making full use of an optical fibre resource in the optical fibre composite overhead ground wire and the capability of conducting high-sensitivity detection and high-accuracy locating on an event by a distributed optical fibre temperature sensor, connecting the distributed optical fibre temperature sensor to a standby optical fibre in the optical fibre composite overhead ground wire; establishing the correlation between the geographic position of the optical fibre composite overhead ground wire and a distributed temperature curve; respectively comparing the temperatures in the same position in the temperature curve at different times, so as to extract a temperature sudden ...

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28-11-2019 дата публикации

CAMERA SYSTEM FOR ANIMAL TESTING

Номер: WO2019223075A1
Принадлежит:

The present disclosure relates to the technical field of animal testing, and discloses a camera system for animal testing. The system comprises: multiple cameras provided above laboratory cases; a support frame comprising a cross beam provided with the multiple cameras; and an adjustment assembly provided on the cross beam for adjusting the position of the multiple cameras on the cross beam.

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21-11-2019 дата публикации

ANIMAL HEIGHT FEAR TEST EXPERIMENTAL DEVICE AND HEIGHT FEAR TEST EXPERIMENTAL METHOD

Номер: WO2019218519A1
Принадлежит:

An animal height fear test experimental device and height fear test experimental method. The animal height fear test experimental device comprises a table board configured to place an experimental animal; a support frame detachably fixed to the table board and configured to support the table board, the height of the support frame being adjustable; and a camera disposed on the table board, and arranged opposite the table board to photograph and record the behaviors of the experimental animal on the table board.

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04-04-2023 дата публикации

Monoclonal antibody aiming at norovirus GII genotype VP1 protein and application thereof

Номер: CN115894672A
Принадлежит:

The invention provides an anti-norovirus GII genotype VP1 antigen monoclonal antibody and application thereof, the anti-norovirus GII genotype VP1 antigen monoclonal antibody comprises a heavy chain variable region and a light chain variable region, the heavy chain variable region comprises a heavy chain CDR3 as shown in SEQ ID NO.3, and the light chain variable region comprises a light chain CDR3 as shown in SEQ ID NO.6. The anti-norovirus GII genotype VP1 antigen monoclonal antibody has the advantages that the anti-norovirus GII genotype VP1 antigen monoclonal antibody can be used for preparing anti-norovirus GII genotype VP1 antigen monoclonal antibody; the monoclonal antibody is a rabbit source monoclonal antibody, the monoclonal antibody is good in specificity and high in affinity, the problem of a mouse source monoclonal antibody in the aspect of practical application is solved, and the monoclonal antibody resisting the norovirus GII genotype VP1 antigen has important application ...

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21-07-2023 дата публикации

Viewpoint path planning method and device, electronic equipment and storage medium

Номер: CN116465827A
Принадлежит:

The invention belongs to the technical field of path planning, and provides a viewpoint path planning method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a boundary point and a surface element instance corresponding to a to-be-detected target, and a surface element type corresponding to the surface element instance based on the point cloud data of the to-be-detected target; determining a target viewpoint set based on a first viewpoint set corresponding to the surface element type and a second viewpoint set corresponding to the boundary point; and determining a viewpoint traversal path based on the target viewpoint set. According to the viewpoint path planning method provided by the invention, the point cloud data of the to-be-detected target is obtained, the corresponding boundary point and the surface element type of the surface element instance are determined according to the point cloud data, and the target viewpoint set is obtained ...

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23-05-2023 дата публикации

Bidirectional selection reconnection method and related equipment

Номер: CN116156571A
Принадлежит:

The invention provides a two-way selection reconnection method and related equipment. The method comprises the following steps: in response to a situation that a beacon frame sent by a first wireless access point is not received, calculating a switching utility function of a second wireless access point; sorting the second wireless access points according to the switching utility function to obtain a wireless access point list; in the wireless access point list, the second wireless access points are selected in sequence for reconnection, and feedback signals of the second wireless access points are obtained; and determining a third wireless access point from the second wireless access points according to the feedback signal, and reconnecting with the third wireless access point. According to the embodiment of the invention, the wireless access point is selected to be reconnected by integrating multiple factors, the wireless access point selects to accept or reject according to the load ...

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08-08-2023 дата публикации

Recommendation method, device and equipment

Номер: CN116561431A
Автор: ZHONG CHENG, WU BAOXIN, GAO JUN
Принадлежит:

The recommendation method provided by the invention comprises the following steps: obtaining user data of a target user and recommendation data of a target interest object to be recommended for the target user, respectively taking the target user and the target interest object as calculation objects, and obtaining a sub-behavior set for representing all interaction behaviors generated between the calculation objects and each interaction object, determining a comprehensive preference degree of the calculation object for each interest dimension in a preset interest matrix, and for each sub-behavior, performing feature extraction on the sub-behavior based on the comprehensive preference degree of the calculation object for each interest dimension to obtain a feature vector of the calculation object under each interest dimension in the sub-behavior; and determining a matrix formed by the feature vectors of the calculation object in each sub-behavior under each interest dimension as an interest ...

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25-04-2023 дата публикации

Cascade hydropower station interval flow calculation method and device

Номер: CN116011857A
Принадлежит:

The invention discloses a cascade hydropower station interval flow calculation method and device, and the method comprises the steps: analyzing the hydrological characteristics and the production and confluence law in a drainage basin, and eliminating the violent fluctuation of the interval flow in a non-flood period through the multi-point moving average based on water balance; meanwhile, the interval flow negative value is replaced in a linear interpolation or multi-year monthly average mode, the real natural confluence and production process is restored as far as possible, a complete, reliable and reasonable interval runoff calculation result is obtained, and basic data guarantee is provided for drainage basin reservoir group dispatching operation, water resource configuration and management and the like.

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01-08-2023 дата публикации

Multi-target route planning method and device based on Q learning

Номер: CN116527558A
Принадлежит:

The invention discloses a multi-target route planning method and device based on Q learning. The method comprises the following steps: constructing a first target function and a second target function which are used for evaluating path performance; obtaining a current round of iteration path from a source node of the communication request to a target node of the communication request through a Q learning algorithm; evaluating the advantages and disadvantages of the current round of iteration path and the previous round of iteration path, and updating a Q value in a Q learning algorithm according to an evaluation result; comparing the advantages and disadvantages of the current iteration path and the path in the preset solution set, and updating the preset solution set according to the comparison result; and repeating the steps from obtaining the current iteration path to updating the preset solution set until a preset end condition is met, and outputting the preset solution set. According ...

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04-08-2023 дата публикации

Multi-dimensional resource joint allocation method and device based on power local convergence network

Номер: CN116542482A
Принадлежит:

The invention discloses a multi-dimensional resource joint allocation method and device based on a power local fusion network. The method comprises the following steps: initializing parameters of a genetic algorithm and a simulated annealing algorithm by using a mode of adding flag bits for chromosomes; then, each individual in the population corresponds to a resource allocation mode of the current service, the fitness value of each individual in the population is calculated, the individuals are selected from the population to be iterated to the next generation of population, and the selected individuals are crossed and mutated; calculating the fitness of the new population, calculating an optimal resource allocation mode under the current genotype for each chromosome, and selecting an optimal individual in the new population; judging whether the new optimal individual fitness is greater than the original optimal individual fitness or not; if the new optimal solution is added into the population ...

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14-07-2023 дата публикации

Suspension gap sensor performance detection device and performance detection method

Номер: CN116428959A
Принадлежит:

The invention provides a suspension gap sensor performance detection device and a performance detection method. The device is characterized in that a simulation coil is coupled with a sensor coil of a tested suspension gap sensor to form a transformer model; one end of the analog coil is connected with one end of the digital potentiometer module, and the other end of the analog coil is connected with the other end of the digital potentiometer module; the performance detection module is connected with the digital potentiometer module, an output connector of the detected suspension gap sensor and the performance evaluation module and used for adjusting the resistance value of the digital potentiometer module, so that the mutual inductance value between the simulation coil and the detected suspension gap sensor is changed, and output parameters of the detected suspension gap sensor are received. Sending to a performance evaluation module; and the performance evaluation module is used for evaluating ...

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07-04-2023 дата публикации

Preparation method of porous nano zinc oxide material

Номер: CN115928094A
Принадлежит:

The invention discloses a preparation method of a porous nano zinc oxide material. The specific preparation method comprises the following steps: taking FTO as a conductive substrate, growing a nano-zinc oxide material on the surface of the FTO, and preparing the porous nano-zinc oxide material by utilizing a light induction-polarization technology. A photoelectrochemical performance test on the porous nano-zinc oxide material shows that the porous nano-zinc oxide material has remarkably enhanced photoelectric performance. According to the present invention, the technical process is simple, the industrial production is easily achieved, the reagent is cheap, and the porous nano-zinc oxide material obtained by using the method has excellent photoelectric properties; the method can be applied to the fields of information storage and display, preparation of solar photovoltaic cells, construction of photoelectrochemical sensors, hydrogen production through photoelectrocatalytic water decomposition ...

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09-06-2023 дата публикации

Construction method of Weimberg xylose metabolic pathway in gluconacetobacter xylinum

Номер: CN116240232A
Принадлежит:

The invention belongs to the field of genetic engineering, and particularly relates to a construction method for utilization and metabolism of xylose of gluconacetobacter xylinum. According to the invention, xylose Weimberg metabolic pathway related genes are constructed on a recombinant plasmid expression vector, and recombinant plasmids are integrated into host bacteria gluconacetobacter xylinum to obtain a recombinant gluconacetobacter xylinum engineering strain CGMCC 26045 (which is preserved in the China General Microbiological Culture Collection Center on November 4, 2022, and has the preservation number of CGMCC NO.779. The construction method is characterized in that the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.26045. And through fermentation, it is preliminarily determined that the capacity of producing bacterial cellulose (BC) by using xylose is higher than that of the original gluconacetobacter xylinum. Through measurement of fermentation ...

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02-06-2023 дата публикации

Sensor network node authentication method, node, system, medium and equipment

Номер: CN116208329A
Принадлежит:

The invention discloses a sensor network node authentication method, a node, a system, a medium and equipment, and the method comprises the steps: generating a challenge random number, and encrypting the challenge random number into a first protection value; receiving an integrity verification encryption value and a second protection value generated by the node in the cluster according to the first protection value, pre-stored secret information and feature data of the physical unclonable function; decrypting the second protection value to obtain a recovery value of the feature data; executing a physical unclonable function based on the recovery value of the feature data and the challenge random number to obtain a second response output value; and generating a second session key, encrypting the first preset information by using the second session key to obtain verification information, and sending the verification information to the intra-cluster node for node authentication. According ...

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07-04-2023 дата публикации

Screening method of lignocellulose derivative inhibitor tolerant strain

Номер: CN115927155A
Принадлежит:

The invention discloses a screening method of a lignocellulose derivative inhibitor tolerant strain. The most typical inhibitor component in the lignocellulose hydrolysate is prepared into a composite inhibitor, and composite inhibitor culture media with different concentrations are used for gradient adaptive domestication, so that the tolerance of the inhibitor in the lignocellulose hydrolysate of the bacterial strain is improved step by step; the bacterial cellulose membrane production speed of the acetobacter xylinum gluconate is compared to characterize the improvement of the tolerance of the strain. According to the screening method established by the invention, the lignocellulose hydrolysate tolerance of the strain is improved, the strain can efficiently utilize the lignocellulose hydrolysate to produce the bacterial cellulose membrane, and the production cost is saved.

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