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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 25. Отображено 25.
12-09-2017 дата публикации

A coding detonation control device

Номер: CN0104563979B
Принадлежит:

... 本发明公开了种编码起爆控制装置,包括地面系统和井下系统两部分,由电缆将两者连接。地面系统包括计算机和地面监控仪:地面监控仪是监控井下各级射孔器状态并实施选发射孔的专用硬件设备,在为井下系统提供工作电源的基础上建立可靠的通信,方面将计算机发出的控制指令转换为编码信号加载到电源线上向井下系统发出,另方面接收井下反馈的信息编码,编译后送计算机分析处理。井下系统由分别装在不同射孔器内的编码控制器组成。编码控制器接收分级射孔监控仪发出的指令信号,并执行相应的检测及点火等操作,同时对自身开关状态进行检测,并把检测结果经编码后发送回地面系统,且输出端能可靠起爆磁电雷管和EFI雷管。 ...

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22-08-2023 дата публикации

Radar echo simulation system

Номер: CN116626612A
Принадлежит:

The invention relates to a radar echo simulation system, belongs to the technical field of electromagnetic scene simulation, and solves the technical problems of echo characteristic distortion and poor target polarization characteristic simulation fidelity of existing infield electromagnetic scene simulation. The system comprises a radar device and a simulation target device. Wherein the radar equipment comprises a radar transmitting module which is used for generating a radar transmitting signal and transmitting the radar transmitting signal to the simulation target equipment; the radar antenna is used for receiving a radar echo analog signal transmitted by the analog target equipment; the signal processing module is used for processing the radar transmitting signal and the radar echo analog signal; the simulation target equipment comprises a target characteristic library which stores a plurality of pieces of target data, and each piece of target data is composed of a target type, radar ...

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02-06-2023 дата публикации

斗柜梳妆台

Номер: CN308061986S
Автор: 孟乐一, 闵杰
Принадлежит: 闵杰

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28-07-2023 дата публикации

Photovoltaic panel fault identification method based on cascaded region convolutional neural network

Номер: CN116503308A
Принадлежит:

The invention relates to a photovoltaic panel fault identification method based on a cascaded region convolutional neural network. The method comprises the following steps: acquiring images of photovoltaic panels of village-level and household-level distributed power stations of photovoltaic engineering; the collected images are classified, and fault and defect label processing is carried out on all kinds of images; the images of the photovoltaic panels are in one-to-one correspondence with fault and defect labels, and are divided into a training set and a verification set; taking the images of the village-level and household-level distributed power station photovoltaic panels as the input of a cascade region convolutional neural network, taking the corresponding fault and defect labels as the output of the cascade region convolutional neural network, and obtaining a trained cascade region convolutional neural network model; checking whether the trained cascaded region convolutional neural ...

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23-12-2010 дата публикации

RECEPTOR MATERIAL OF FULLERENE DERIVATE COMPRISING INDENE AND PROCESS FOR PRODUCING AND USE THEREOF

Номер: WO2010145210A1
Принадлежит:

Disclosed are a receptor material of fullerene derivate, especially a receptor material of fullerene derivate comprising indene with excellent solubility, and a process for producing and use thereof. Fullerene is dissolved in o-dichlorobenzene, then indene is added, wherein the molar ratio of indene to fullerene is 1~36; the reaction is processed under reflux by heating for 2~72 h, and then is cooled to room temperature; the product obtained after the reaction is added into methanol, the precipitate is isolated by centrifugation; the precipitate is dissolved in an organic solvent and is absorbed on the silica gel; it can be isolated to obtain a receptor material of fullerene comprising indene through the silica gel by using a blended solvent of an organic solvent and mineral ether as eluting agent. The receptor material of fullerene derivate comprising indene according to the present invention can be used in the fields of organic field-effect transistor, polymer solar battery and organic ...

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02-05-2023 дата публикации

Operation method for first-aid repair operation of power components and heavy hoisting unmanned aerial vehicle

Номер: CN116054017A
Принадлежит:

The invention provides an operation method for first-aid repair operation of power components and a heavy hoisting unmanned aerial vehicle, and the operation method for the first-aid repair operation of the power components comprises the following steps: preparation work of the first-aid repair operation: the preparation work comprises preparation work of an operation area and preparation work of the heavy hoisting unmanned aerial vehicle; setting a plurality of workers in the operation area, wherein the plurality of workers comprise a material delivery worker, a fault component replacement worker and a ground principal; first-aid repair operation is carried out through cooperation of a material delivery worker, a fault component replacement worker, a ground person in charge and a heavy hoisting unmanned aerial vehicle. And controlling the heavy hoisting unmanned aerial vehicle to return and land after confirming that the first-aid repair operation is completed. Through cooperation of the ...

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02-06-2023 дата публикации

Vehicle-mounted Bluetooth audio playing method and device, vehicle-mounted equipment, vehicle and medium

Номер: CN116208938A
Принадлежит:

The invention discloses a vehicle-mounted Bluetooth audio playing method and device, vehicle-mounted equipment, a vehicle and a medium, and the method comprises the steps: after Bluetooth connection with terminal equipment is completed, when audio data of a first audio file sent by the terminal equipment through a first Bluetooth channel are received for the first time, the audio data of the first audio file are played correspondingly when a preset condition is met; determining the type of the first audio file; and determining whether to disconnect the connection with the first Bluetooth channel of the terminal device based on the type of the first audio file. Therefore, when the vehicle-mounted Bluetooth connection is started, different playing modes can be adopted for different types of audio files, so that various sounds of the intelligent terminal are effectively prevented from being uncontrollably played from the vehicle-mounted terminal, non-music audio files can be prevented from ...

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01-08-2023 дата публикации

Tryptophan transport application and production method of MdtL and strain

Номер: CN116515918A
Принадлежит:

The invention provides transfer application of L-tryptophan (L-Trp) of MdtL, a production method and a strain, and relates to the technical field of microorganisms. The invention also provides an application of the MdtL in production of tryptophan. The production of the tryptophan is the fermentation production of the tryptophan by the recombinant strain of the over-expressed MdtL transport protein. The invention finds that the yield of L-tryptophan obtained by shake-flask fermentation of the recombinant strain of the over-expressed MdtL transporter is higher than that of a control group, and the content of a by-product shikimic acid is reduced. The invention discloses the application of MdtL in transferring tryptophan to extracellular space for the first time.

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25-07-2023 дата публикации

Grasshopper-based dome structure grid division method

Номер: CN116484467A
Принадлежит:

The invention discloses a grid division method for a dome structure based on grasshopper, which comprises the following steps of: establishing a regular polygon on grasshopper software by taking an original point as a center, then splitting the regular polygon into a plurality of grid units with the same appearance, setting corresponding influence intensity for the grid units, and setting the influence intensity of the grid units as the same appearance; enabling the grid units to deform based on the influence strength; secondly, after the target curved surface is imported, matching is conducted on the grid units, the grid units are deformed to tend to be consistent with the appearance of the target curved surface under software calculation, and a grid surface matched with the target curved surface is obtained. The method has the advantages of being small in calculation amount, large in application range and good in dividing and supporting effect.

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22-08-2023 дата публикации

Infield scene construction method based on measured data characteristic model

Номер: CN116626616A
Принадлежит:

The invention relates to an in-field scene construction method based on a measured data characteristic model, belongs to the technical field of electromagnetic scene simulation, and solves the technical problems of echo characteristic distortion and poor target polarization characteristic simulation fidelity of in-field electromagnetic scene simulation in the prior art. The method comprises the following steps: establishing a plurality of external field test scenes, and obtaining actually measured radar target echo data in each external field test scene; generating a target characteristic library and a background noise library based on actually measured radar target echo data in each external field test scene; according to scene setting requirements of an infield scene, selecting a target scattering characteristic model from the target characteristic library, and selecting background noise data from the background noise library; and in the infield scene, according to scene setting requirements ...

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25-04-2023 дата публикации

Elevator hall-call communication system and method based on low-voltage power line high-speed carrier

Номер: CN116015361A
Принадлежит:

The invention discloses an elevator hall-call communication system and method based on low-voltage power line high-speed carrier waves, and solves the problems that in the prior art, elevator communication signals are seriously interfered, transmission cables are prone to damage, and consequently the processes of early-stage installation, debugging and later-stage maintenance of an elevator are difficult. The communication method comprises the following steps: S1, marking the slave addresses and the number of the HPLC terminal elevator calling boards; s2, judging whether the marked slave addresses of the HPLC terminal elevator calling box polled by the HPLC communication controller can be exactly divided by 8 or not, and processing the other marked slave addresses and the number according to the judgment result; and S3, judging whether the received data of the HPLC terminal elevator calling box is an instruction or not, and processing the marked slave addresses and the number according ...

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12-09-2017 дата публикации

A pressure pipe drainage connection plate installer

Номер: CN0104752987B
Принадлежит:

... 本发明涉及电网电力安装工具技术领域,具体地为在220千伏及66千伏输变电设备停电断接引流时所用携带引流的工具种压接管引流连板安装器。该安装器包括连板夹具、绝缘绳、挂环及挂钩,绝缘绳的端固定在连板夹具上,绝缘绳的中间合适位置连接挂钩用于挂在导线上,所述挂环连接在绝缘绳上,用于人身与绝缘绳的连接,所述连板夹具包括背板、背板上固定有扣管,通过扣管将引流连板扣住。有效的解决了人员安排,减少工作时间等的问题。使每相断接引的工作人即可安装完成,个人即可对每相引流进行安装,省时、省力,合理布置人员分工,增强了工作效率。 ...

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22-08-2023 дата публикации

Method for constructing infield scene of ship target

Номер: CN116626615A
Принадлежит:

The invention discloses an infield scene construction method of a ship target, relates to the technical field of electromagnetic scene simulation, and solves the technical problems of echo characteristic distortion and poor target polarization characteristic simulation fidelity of infield electromagnetic scene simulation in the prior art. The method comprises the following steps: selecting a target scattering characteristic model from an omnidirectional ship target characteristic library according to a scene setting requirement of an infield scene; in an infield scene, according to scene setting requirements and the called target scattering characteristic model of each simulation target, radar simulation target echoes are generated; and superposing background noise data on the generated radar simulation target echo to obtain a radar simulation echo signal in the infield scene, and completing the construction of the infield scene. According to the method, the pre-constructed omnidirectional ...

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23-05-2023 дата публикации

Family economic condition evaluation model establishment method and monitoring management method

Номер: CN116152026A
Принадлежит:

The invention relates to a household economic condition evaluation model establishment method and a monitoring management method, and the method comprises the steps: screening feature factor sample data which effectively reflects household economic condition features, and building a feature factor hierarchical relation; converting the characteristic factor sample data into standardized data without a steel dimension by using a standardization formula; carrying out fuzzy processing on the standardized data, and solving a membership degree value of each level of each input according to a membership function; the initialization weight of the fuzzy neural network is optimized through a genetic algorithm; determining the structure and layer number of a fuzzy neural network based on a genetic algorithm, and determining the training steps and process of a fuzzy neural network model; training through a fuzzy neural network based on a genetic algorithm to obtain weight information reflecting the ...

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02-05-2023 дата публикации

Fire extinguishing method and fire extinguishing device for high-voltage transformer

Номер: CN116036512A
Принадлежит:

The invention provides a high-voltage transformer fire extinguishing method and fire extinguishing device.The fire extinguishing method is based on the high-voltage transformer fire extinguishing device.The fire extinguishing method comprises the steps that preparation work before fire extinguishing is conducted, specifically, fire area checking and fire extinguishing device preparation are conducted; according to the planned different throwing points, the multiple fire extinguishing devices face the throwing points to which the fire extinguishing devices belong, fire extinguishing bombs are thrown one by one, and fire extinguishing operation is started; after single-time fire extinguishing operation of the fire extinguishing device is completed, returning and landing according to a preset route; an observation unmanned aerial vehicle is arranged, and according to collection information of the observation unmanned aerial vehicle, if the fire extinguishing target is not reached, the fire ...

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18-07-2023 дата публикации

Passenger behavior identification method based on support vector machine

Номер: CN116443688A
Принадлежит:

The invention discloses a passenger behavior recognition method based on a support vector machine. The passenger behavior recognition method comprises the steps that S1, an infrared device detects the state of an elevator door; s2, monitoring the key point state of the human body by a camera; s3, key point coordinate difference values are analyzed and compared; s4, feeding back a signal to the system according to the coordinate difference value and a vector machine classification model signal processor; s5, the system receives the signals and then recognizes and processes passenger behaviors, the infrared device combined with human body key point recognition is provided for overcoming the defects of an existing elevator infrared device to recognize falling-down and other actions of people, the problem of the detection precision of the existing infrared device can be solved, and the safety of the elevator is improved. And the safety of passengers in the elevator when accidents occur is further ...

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12-05-2023 дата публикации

Data migration method and device and computer readable storage medium

Номер: CN116107990A
Принадлежит:

The invention provides a data migration method and device and a computer readable storage medium, and the method comprises the steps: receiving a data migration request which carries a data copy of to-be-migrated data; in response to the data migration request, distributed storage resources and object storage resources are configured for the data copy; and performing mixed storage on the to-be-migrated data according to the distributed storage resources and the object storage resources. By adopting the method, the distributed storage resources and the object storage resources are reasonably configured, so that the problem that diversified storage requirements cannot be met can be solved by utilizing the mixed storage resources.

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07-04-2023 дата публикации

Welding magnetic grounding device for cylindrical steel pipe in electric power line tower

Номер: CN115939797A
Принадлежит:

The invention discloses a welding magnetic grounding device for a cylindrical steel pipe in an electric power line tower, which is characterized in that brackets are respectively hinged below two ends of a bearing main body, the lower end of each bracket is sleeved with a strong magnet, a through hole penetrating through the upper side and the lower side is formed in the bearing main body, and a grounding connecting rod penetrates through the through hole and is mounted on the bearing main body; when a cylindrical steel pipe is welded, the bearing main body can be placed above the cylindrical steel pipe, and then the bearing main body is adsorbed on the outer surface of the cylindrical steel pipe to be welded through the strong magnet on the bracket below the bearing main body, so that the welding magnetic grounding device integrally surrounds the upper part and two sides of the cylindrical steel pipe to be welded; at the moment, the end, located below the bearing main body, in the grounding ...

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18-07-2023 дата публикации

Green recovery treatment device for chemical harmful substances

Номер: CN116440653A
Принадлежит:

The invention relates to the field of chemical substance recovery, in particular to a green recovery treatment device for chemical harmful substances. The invention aims to provide the green recovery and treatment device for the chemical harmful substances, which can more effectively improve the recovery efficiency of chemical gases, can better enhance the sealing property of the device and can ensure that the recovery process of the chemical gases is safer. A green recovery treatment device for chemical harmful substances comprises a base, a large support, a large rotating shaft and the like. The base is fixedly connected with two large supports, the two large supports are symmetrically arranged, and a large rotating shaft is rotationally connected between the two large supports. An operator starts a servo motor to enable a rotary drum to rotate, the operator opens switch valves on a gas inlet pipe and a gas outlet pipe, chemical gas can make full contact with zeolite, the zeolite can ...

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16-06-2023 дата публикации

Elevator control cabinet fault diagnosis method based on sound signals

Номер: CN116263805A
Принадлежит:

The invention discloses an elevator control cabinet fault diagnosis method based on sound signals. The elevator control cabinet fault diagnosis method comprises the steps that the sound signals under the conditions of normal operation and different fault types of an elevator control cabinet are collected; decomposing the sound signals by adopting an underdetermined blind source separation method, and classifying and marking the decomposed sound signals according to fault types; preprocessing the decomposed sound signals, extracting signal features, and establishing a fault sound feature database; and constructing a PSO-BP neural network model, and training through the fault sound feature database to obtain a fault diagnosis model for fault diagnosis. According to the difference of sound signals generated by different fault types, corresponding signal features are extracted, the neural network model is constructed for training to obtain the final fault diagnosis model, and the fault diagnosis ...

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22-08-2023 дата публикации

Ship target omnidirectional scattering point characteristic modeling method based on multi-polarization channel

Номер: CN116626611A
Принадлежит:

The invention discloses a ship target omnidirectional scattering point characteristic modeling method based on a multi-polarization channel, belongs to the technical field of radar target characteristic modeling, and solves the problems of insufficient modeling granularity and the like of an electromagnetic model in the prior art. The method comprises the following steps: carrying out omnidirectional data acquisition tests on a ship target at different residual angles of incidence in an external field to obtain actually measured high-speed echo data; obtaining target characteristic distance-Doppler data corresponding to each frame of actually measured high-speed echo data based on the normalized primary function; under each incidence complementary angle, obtaining an omnidirectional stable scattering point sequence of the main polarization channel and other polarization channels under the corresponding incidence complementary angle based on the target characteristic distance-Doppler data ...

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16-06-2023 дата публикации

Safe elevator stopping control method and auxiliary device for elevator maintenance

Номер: CN116262581A
Принадлежит:

The invention discloses a safe elevator stopping control method for elevator maintenance and an auxiliary device. The safe elevator stopping control method comprises the steps that S1, the auxiliary device is used for controlling an elevator; according to the auxiliary device of the safe elevator stopping control method matched with elevator overhauling, a distance sensor is arranged on the elevator, the auxiliary device comprises a machine body, a display screen is arranged on the surface of the machine body, a switch and an adjusting button are arranged below the display screen, a communication line is arranged on the side face of the machine body, and the communication line is connected with the elevator. In combination with an auxiliary device, the actual position of the elevator can be accurately detected, errors are hardly generated, the safety of maintenance personnel can be greatly improved, and specifications and standards are effectively executed.

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23-05-2023 дата публикации

Multi-dimensional regional economic development monitoring method

Номер: CN116151643A
Принадлежит:

The invention belongs to the field of multi-dimensional regional monitoring, and particularly relates to a multi-dimensional regional economic development monitoring method. Comprising the following steps: establishing a multi-dimensional regional economic development index for regional economic development monitoring; for the multi-dimensional regional economic development indexes, adopting Pearson correlation analysis to screen out a plurality of secondary indexes most related to economic development; a multi-dimensional regional economic development index system is constructed according to the screened secondary indexes, and each dimension corresponds to a plurality of indexes, the meanings of the indexes and the corresponding index codes; carrying out normalization processing on the multi-dimensional regional economic development indexes; training the normalized data by using an RBF neural network based on an improved particle swarm to obtain a regional economic development monitoring ...

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22-08-2023 дата публикации

Ship target omnidirectional scattering point characteristic modeling method

Номер: CN116626610A
Принадлежит:

The invention relates to a ship target omnidirectional scattering point characteristic modeling method, belongs to the technical field of radar target characteristic modeling, and solves the problems of insufficient modeling granularity and low fidelity of an electromagnetic model in the prior art. The method comprises the following steps: carrying out an omnidirectional data acquisition test on a ship target in an external field to obtain actually measured high-speed echo data; respectively processing each frame of actually measured high-speed echo data to obtain corresponding distance-Doppler data; carrying out target characteristic extraction on a target region in each frame of distance-Doppler data based on a normalized basis function to obtain target characteristic distance-Doppler data corresponding to each frame of distance-Doppler data; based on the characteristic distance-Doppler data of each frame of target, inter-frame association of target scattering points is carried out, and ...

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21-04-2023 дата публикации

Strain insulator replacement tool and strain insulator replacement method

Номер: CN115995772A
Принадлежит:

According to the replacement tool, a first clamp and a second clamp are connected through a transverse telescopic mechanism, a plug-in type bottle dragging frame is connected to the lower portion of the transverse telescopic mechanism through a connecting piece, and the whole replacement tool is formed. The calibers of the first clamp and the second clamp can be adjusted to be used for replacing strain insulators with different calibers, the first clamp and the second clamp are connected through the transverse telescopic mechanism, and the distance between the first clamp and the second clamp can be freely adjusted, so that the clamp is suitable for the strain insulators with different lengths, the replacement work of the strain insulators is facilitated, and the replacement efficiency of the strain insulators is improved. The universality is high, one replacing tool can be suitable for replacing different strain insulators, the tool does not need to be continuously replaced, and the maintenance ...

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