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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 15. Отображено 15.
27-06-2023 дата публикации

Time synchronization method and system fused with power line carrier technology

Номер: CN116339114A
Принадлежит:

The invention discloses a time synchronization method and system fused with a power line carrier technology, and the method comprises the steps: calculating the number of time synchronization terminal clock sources needed by a to-be-timed terminal according to an environment topology change condition, a power line carrier channel state and a first historical local punctuality condition corresponding to the to-be-timed terminal at a current moment; wherein the first historical local timekeeping condition is used for updating a second historical local timekeeping condition at the next moment; selecting the terminal clock sources which have the same number of the time synchronization terminal clock sources and have the same level as the terminal to be time-timed from the time synchronization terminal clock sources corresponding to the terminal to be time-timed to perform time synchronization; the number of clock sources of the time synchronization terminal can be dynamically optimized, and ...

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18-04-2023 дата публикации

High-voltage circuit CT electricity taking control method

Номер: CN115986954A
Принадлежит:

The invention discloses a high-voltage circuit CT electricity taking control method. A CT electricity taking power source is included. The PWM rectifying circuit is composed of an alternating current side circuit, a full-control rectifier bridge and a direct current loop, one end of the PWM rectifying circuit is connected with the CT electricity taking power supply, the other end of the PWM rectifying circuit is connected with the isolation voltage stabilizing circuit, the alternating current side circuit is connected with the full-control rectifier bridge, and the other end of the full-control rectifier bridge is connected with the direct current loop; the isolation voltage stabilizing circuit comprises a power supply filter and a lightning stroke surge protector, the CT electricity taking power supply is connected with the lightning stroke surge protector, and the lightning stroke surge protector is connected with the PWM rectifying circuit and then connected with the power supply filter ...

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09-06-2023 дата публикации

Zero-carbon building energy-saving control system

Номер: CN116248149A
Принадлежит:

The invention discloses a zero-carbon building energy-saving control system which comprises a terminal module, the terminal module is composed of a router, a tower server and a switch, and the switch is a three-layer switch; the carrier module is used for sending a carrier signal to a power grid system of a target area through a power line carrier technology; the adjustment scheduling system sends a scheduling instruction to the power grid of the target area through feedback information of the carrier module, and controls the power grid of the target area through the adjustment scheduling system to reduce useless energy consumption; and the terminal module and the carrier wave module are installed in the terminal screen cabinet. According to the device, the electric power schematic condition of each floor can be collected in time through the carrier module arranged on each floor, and the device is divided into different modules according to the power consumption equipment of each floor, ...

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01-08-2023 дата публикации

Zero-carbon building intelligent management system based on Internet of Things

Номер: CN116520732A
Принадлежит:

The invention discloses a zero-carbon building intelligent management system based on the Internet of Things, and the system comprises a main control module, a photovoltaic module, a wind power module, an illumination module, a heating and ventilation module and an electric vehicle module which are in communication connection, and the main control module comprises a server, a converter and a DC carrier module. The direct current carrier module is directly connected with the photovoltaic module, the wind power module, the lighting module, the heating and ventilation module and the electric vehicle module. According to the zero-carbon building intelligent management system based on the Internet of Things provided by the invention, through the DC carrier network bridge formed by the cooperation of the converter and the DC carrier module, the energy loss of the traditional conversion between AC and DC is avoided, the voltage interlaced output of each module is realized, and the output pulse ...

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25-07-2023 дата публикации

Distributed photovoltaic data dual compression method and device based on carrier communication

Номер: CN116483789A
Принадлежит:

The invention provides a distributed photovoltaic data dual compression method and device for carrier communication, and the method comprises the steps: collecting distributed photovoltaic original data, carrying out the denoising of the distributed photovoltaic data, and obtaining first distributed photovoltaic data; constructing a time period matrix according to different time periods and a plurality of feature dimensions of the first distributed photovoltaic data; when a preset condition is met, performing data compression based on a wavelet LZW dictionary on the first distributed photovoltaic data to obtain second distributed photovoltaic data; and constructing a characteristic value knowledge graph, calculating reasonability and respectively endowing the reasonability with a first weight, and performing second data compression on the second distributed photovoltaic data according to the endowing weight. Compared with the prior art, by constructing the time period matrix and carrying ...

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07-04-2023 дата публикации

Method and device for installing liftable module of CPE (Customer Premise Equipment)

Номер: CN115942715A
Принадлежит:

The invention discloses an installation method and device for a liftable module of CPE equipment. The installation method comprises the steps that a supporting lifting unit is adjusted to a proper height; a module needing to be installed is placed at a designated position of the clamping and fixing unit; the clamping and fixing unit is controlled to install the module needing to be installed; modularly assembling a plurality of groups of required modules; performing heat dissipation on the installed module; and modular installation is completed. The assembly platform has the beneficial effects that the heat dissipation assembly is arranged to blow air to the circuit board, the rapid cooling effect is achieved, the height of the assembly platform is conveniently adjusted by arranging the supporting and lifting unit, the assembly platform adapts to various working environments, the circuit can be kept fixed by arranging the clamping and fixing unit, and the working efficiency is improved.

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30-05-2023 дата публикации

Direct-current carrier communication system in form of direct-current network bridge

Номер: CN116192198A
Принадлежит:

The invention discloses a direct-current carrier communication system in a direct-current network bridge form, and the system comprises a plurality of carrier communication modules, each carrier communication module is arranged on a power bus of a zero-carbon building, and the carrier communication modules are connected with a power generation system and a main power utilization system of the zero-carbon building. A direct-current network bridge is established between the carrier communication modules on different power buses through direct-current carrier information flow; each carrier communication module comprises a CPU module, a power supply module, a storage module and a communication function module, and the power supply module is connected with a power generation system of the zero-carbon building; the communication function module comprises a channel estimation unit, a filtering unit, a spectrum sensing unit and a grouping aggregation unit. According to the invention, the carrier ...

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21-04-2023 дата публикации

Mounting and fixing device for circuit module of CPE (Customer Premise Equipment)

Номер: CN115996544A
Принадлежит:

The invention discloses a CPE equipment circuit module mounting and fixing device, which comprises a heat dissipation unit, a supporting assembly, a circuit board assembly arranged at the top of the supporting assembly, and a heat dissipation assembly arranged on one side of the inner wall of the supporting assembly, the fixing unit comprises a fixing assembly arranged on one side of the inner wall of the supporting assembly, a movable clamping assembly arranged at the top of the circuit board assembly and two sets of double fixing assemblies arranged at the two ends of the movable clamping assembly. The device has the beneficial effects that the heat dissipation unit is arranged to blow air to the circuit board to achieve a rapid cooling effect, the fixing unit is arranged to keep the circuit fixed and clamp and move the circuit module to perform modular assembly, the circuit module can be conveniently installed through clamping, the device is convenient to disassemble, the working intensity ...

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09-06-2023 дата публикации

Method for directly configuring parameters of wireless communication module and inquiring network state in real time

Номер: CN116249099A
Принадлежит:

The invention discloses a method for directly configuring parameters of a wireless communication module and inquiring a network state in real time. The method comprises the following steps: adding a channel capable of directly configuring and inquiring the wireless communication module to the wireless communication module; the wireless communication module is externally provided with an NFC communication module through an SPI interface, and the data received by the wireless communication module can be processed as an AT command; a mobile phone or other communication terminals with NFC modules can send AT commands to the wireless communication module through the NFC channel of the wireless module, so that parameters of the wireless communication module can be directly configured, and the network state can be inquired in real time. According to the invention, after the mobile phone is accessed to the wireless communication module through the channel, a worker can directly configure and operate ...

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27-06-2023 дата публикации

Method for intelligently switching sim cards through multiple index parameters

Номер: CN116347423A
Принадлежит:

The invention discloses a method for intelligently switching sim cards through multiple index parameters. The method comprises the steps that an automatic control monitoring program is added to a wireless communication module program; sending a parameter message to a monitoring program; the monitoring program assigns values to the received substandard parameters; and when the total score is greater than a threshold value, the monitoring program is automatically controlled to intelligently switch the sim cards. The invention solves the problem of how to realize preferential network selection and switching by judging the actual network environment based on the existing networks of three major operators, ensures the stability of equipment network information, ensures that the terminal always resides in the optimal network environment, further improves the communication reliability, and improves the communication efficiency. And the SIM card is prevented from being switched by mistake due to ...

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01-08-2023 дата публикации

5G signal optimization method and system based on Beidou positioning

Номер: CN116528312A
Принадлежит:

The invention discloses a 5G signal optimization method and system based on Beidou positioning, and the method comprises the steps: obtaining the big data of a city base station, continuously recording the current position of a vehicle through a positioning module, enabling two 5G modules of the system to enter a working mode, automatically starting dialing, and setting one of the two 5G modules as a first module A and the other as a second module B; according to the current position of the vehicle, the nearest base station is calculated, the next preferred base station is selected, and the second module B continuously scans the signal strength of the nearest base stations to obtain the optimal base station; and establishing a connection between the second module B and the preferred base station, and continuously recording the signal strength and the data delay of the first module A and the second module B, so that the total exit speed width and the network quality of the first module A ...

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23-06-2023 дата публикации

Zero-carbon building energy-saving control method and system

Номер: CN116300589A
Принадлежит:

The invention discloses a zero-carbon building energy-saving control method and system, and the method comprises the steps: obtaining power utilization data of a lighting system, an air conditioning system, an elevator system and a charging pile system, and carrying out the clustering fitting of the data; energy-saving regulation and control strategies are set for the lighting system, the air conditioning system, the elevator system and the charging pile system respectively according to the clustering fitting result; and performing energy-saving control on the zero-carbon building comprising a lighting system, an air conditioning system, an elevator system and a charging pile system according to the energy-saving regulation and control strategy. By clustering and fitting the power utilization data of each power utilization system in the building and respectively setting corresponding energy-saving regulation and control strategies, the electric power is effectively saved, and the method ...

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09-05-2023 дата публикации

Reliable communication implementation method based on dual-mode communication

Номер: CN116095771A
Принадлежит:

The invention discloses a reliable communication implementation method based on dual-mode communication. The method comprises the following steps: simultaneously arranging a dual-mode communication module on communication equipment; the communication control center sends a communication request signal to the communication equipment, and the communication equipment adaptively selects a communication mode according to the received signal strength; the communication equipment performs dual-mode communication heterogeneous networking; and an information hierarchical transmission mechanism is arranged to compress the communication content, so that the communication time is shortened. According to the reliable communication implementation method based on dual-mode communication provided by the invention, a dual-mode communication module is arranged in communication equipment to adaptively select a communication mode so as to meet the communication requirement under the condition that a 5G network ...

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04-08-2023 дата публикации

Coding and transmission method and system based on low-frequency new video

Номер: CN116546271A
Принадлежит:

The invention discloses a coding and transmission method and system based on a low-frequency new video, and the method comprises the steps: collecting an original image, and converting the original image into an RGB format; the original image converted into the RGB format is coded and compressed through a low-frequency coding unit, and refreshing recognition of a low-refreshing image is achieved; and the video transmission unit is used for sending and receiving the coded and compressed original image, the low-frequency decoding unit is used for decoding the coded and compressed original image, and the high-brush video echo unit is used for restoring image information. The invention provides a low-refresh-rate video transmission system for a mobile scene in the fields of medical treatment and the like, which can effectively reduce the image transmission bandwidth and improve the availability of a network under the condition of keeping the video viewing effect of a receiving end unchanged ...

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04-08-2023 дата публикации

Distributed photovoltaic information convergence and compression method and device based on cloud side-end cooperation

Номер: CN116546017A
Принадлежит:

The invention provides a distributed photovoltaic information convergence and compression method and device based on cloud side-end cooperation. The method comprises the following steps: calculating a first weight of a current time slot through each photovoltaic terminal; acquiring a corresponding transparent transmission data packet and a non-transparent transmission data packet through the edge gateway; carrying out packaging and lossless compression on the unvarnished transmission data packet; carrying out correlation speculative priority-based compression on the non-transparent transmission data packet; uploading all the compressed data to a cloud end; decompression is carried out through the cloud, corresponding abstract data are generated, and the abstract data are issued to the edge gateways and the photovoltaic terminals; error vectors are obtained through calculation of the edge gateways and the photovoltaic terminals and uploaded to the cloud; the weight is selected through cloud ...

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