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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 8. Отображено 8.
28-07-2010 дата публикации

Cooperation spectrum sensing method based on network encoding

Номер: CN0101789834A
Автор: JIN CHEN, YUNPENG CHENG, GUOCHUN REN, JINLONG WANG, QIHUI WU, XUEQIANG ZHENG, CHEN JIN, CHENG YUNPENG, REN GUOCHUN, WANG JINLONG, WU QIHUI, ZHENG XUEQIANG
Принадлежит:

The invention relates to a cooperation spectrum sensing method based on network encoding. The method comprises the following steps of: carrying out local spectrum sensing by a cognition user, and selecting a cognition node which is not sensed but has good receiving property as a relay node; carrying out interaction on the information of the cognition user by the cognition node used as the relay node through network encoding; transmitting the sensing information to an integration center by the cognition user through space time encoding after obtaining the sensing information of other users; and judging the integration by the integration center by using the results of network decoding and space time decoding. In the invention, the relay nodes with good property is selected, network encodingis used on the relay nodes, which enhances the probability of the interaction success of the cognition information; and the sensing information after interaction by the cognition user is sent throughthe ...

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Номер записи: 1
04-02-2015 дата публикации

Smoke-free incense preparation process

Номер: CN104324403A
Автор: ZHENG XUEQIANG
Принадлежит:

The present invention relates to a smoke-free incense preparation process, which is characterized by comprising, by weight, 2 parts of light calcium powder, 25 parts of carbon powder, 15 parts of sweet potato powder, 58 parts of potato powder, 2 parts of potassium nitrate, 1 part of toner and 70 parts of water. The smoke-free incense preparation method sequentially comprises: (1) adding 70 parts of water to a reaction kettle, and then sequentially adding 2 parts of light calcium powder, 25 parts of carbon powder, 15 parts of sweet potato powder, 58 parts of potato powder, 2 parts of potassium nitrate, and 1 part of toner; (2) covering the top cover of the reaction kettle, and carrying out sealed stirring on the materials in the reaction kettle for 20 min at a room temperature; (3) taking the materials out from the reaction kettle, and placing the uniformly-stirred materials into an incense making machine to carry out forming production of the smoke-free incense; and (4) placing bamboo stick ...

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Номер записи: 2
16-05-2023 дата публикации

Excavation method of excellent sorghum genes

Номер: CN116130006A
Автор: ZOU GUIHUA, ZHU TIANSHENG, CHEN HEYUN, LIU HEQIN, ZHENG XUEQIANG, LIU XIUHUI
Принадлежит:

The invention relates to the technical field of biological information, and discloses a method for mining excellent genes of sorghum. The method comprises the following steps: determining quality characters required for breeding sorghum varieties according to literatures or experiences, and selecting the sorghum varieties with or without the required quality characters; gene expression of the sorghum variety transcriptome is obtained through sequencing; and preprocessing the gene expression data of the transcriptome, carrying out feature selection on the preprocessed data for each quality character by utilizing a genetic algorithm, and taking a good gene set of all selected characters as a sorghum good gene set, thereby providing a candidate good gene set for sorghum breeding.

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Номер записи: 3
25-08-2010 дата публикации

Credibility based cooperative spectrum sensing method

Номер: CN0101815305A
Автор: LIANG SHEN, CHENGGUI WANG, JINLONG WANG, QIHUI WU, YITAO XU, XUEQIANG ZHENG, SHEN LIANG, WANG CHENGGUI, WANG JINLONG, WU QIHUI, XU YITAO, ZHENG XUEQIANG
Принадлежит:

The invention provides a credibility based cooperative spectrum sensing method, comprising the steps of initialization, local sensing of the unauthorized user, local decision, sensing information quantization, credibility fusion, decision fusion and the like. The invention gives the credibility of local sensing of the unauthorized user under the condition of unknown prior information, reduces thenetwork overhead of cooperative sensing by adopting the mixed threshold decision strategy uniting the base station and the unauthorized user and quantizing the local sensing result and has good sensing property.

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Номер записи: 4
05-06-2020 дата публикации

Device for heating rich oil and distilling by using waste heat of crude gas and producing crude benzene under negative pressure

Номер: CN0210683638U
Автор: YANG CHENGYI, WANG ZHANHUA, ZHENG XUEQIANG, TONG MINGDE
Принадлежит: YANG CHENGYI

The utility model discloses a device for heating rich oil, distilling and producing crude benzene under negative pressure by using waste heat of raw coke oven gas and relates to the technical field ofenergy conservation and emission reduction. The device comprises a water supply tank, a water supply pump, a heat exchanger, a water supply preheater, a steam-water separator, an ascending pipe evaporator, an ascending pipe superheater, a rich oil heat exchanger, a debenzolization tower, a wash oil regenerator, an oil-steam heat exchanger, a benzene condensation cooler, a vacuum pump and a gas-liquid separator. A part of saturated steam produced by the device is used for the wash oil regenerator after being overheated; conveying the other part to an oil-rich heat exchanger to heat rich oil; the other part enters a feed water preheater to heat feed water; the residual part is merged into a low-pressure saturated steam pipe network, so that the boiler load and the boiler gas consumption canbe ...

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Номер записи: 5
04-08-2023 дата публикации

Unmanned aerial vehicle covert communication method based on trajectory and power joint design

Номер: CN116545502A
Автор: WANG HAICHAO, CHEN JIN, BAI HENGZHI, GONG YUPING, CUI LI, GUAN XINRONG, ZHENG XUEQIANG, LI GUOXIN, JIAO YUTAO
Принадлежит:

The invention provides an unmanned aerial vehicle covert communication method based on track and power joint design. The method comprises the following steps: step 1, determining the throughput of a relay unmanned aerial vehicle and a target unmanned aerial vehicle; 2, setting a communication link hidden constraint from the angle of monitoring the unmanned aerial vehicle; step 3, setting a communication link hidden constraint from the angle of the relay unmanned aerial vehicle; 4, setting an unmanned aerial vehicle covert communication optimization problem based on track and power joint determination; and 5, rewriting an optimization problem by introducing variables and utilizing the properties of a convex function. According to the hidden relay algorithm provided by the invention, the throughput of the system can be remarkably improved under the condition that the hidden constraint is met.

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Номер записи: 6
06-10-2010 дата публикации

Soft signal identifying and spreading code catching method with frequency difference estimation

Номер: CN0101854189A
Автор: YUNPENG CHENG, GUOCHUN REN, LIANG SHEN, JINLONG WANG, YUMING ZHANG, XUEQIANG ZHENG, CHENG YUNPENG, REN GUOCHUN, SHEN LIANG, WANG JINLONG, ZHANG YUMING, ZHENG XUEQIANG
Принадлежит:

The invention relates to a soft signal identifying and spreading code catching method with frequency difference estimation, which is conductive to increasing the probability of correctly identifying signals and catching spreading codes under the presence of frequency difference. The invention provides a soft SR/CA method adopting a dual decision threshold combined with frequency difference estimation, and the treatment on a sampling signal comprises the following processes: matching and relating the sampling signal with local spreading codes, calculating decision variables, and then comparingthe decision variables with high and low thresholds so as to decide whether frequency difference correction is needed. On the basis of one path of SR/CA, the invention can carry out decision after further correcting the frequency difference by being combined with the frequency difference estimation method when the decision variable is between the high threshold and the low threshold via reasonably arranging ...

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Номер записи: 7
30-10-2020 дата публикации

Pipe gallery wall construction equipment

Номер: CN0211816417U
Автор: ZHENG XUEQIANG, HE GUANG
Принадлежит: CHENGDU XINDU CONSTRUCTION ENG CO LTD, CHENGDU XINDU CONSTRUCTION ENGINEERING CO., LTD.

The utility model relates to pipe gallery wall construction equipment. The utility model belongs to the technical field of equipment for pipe gallery engineering construction. The device comprises a base, a telescopic rod is vertically arranged on the base; a fixed table is rotationally arranged at the top end of the telescopic rod; wherein the fixed table rotates in a vertical plane, a pluralityof groups of supporting rods are uniformly arranged on the side wall of the fixed table at intervals, rollers are arranged on the supporting rods, material adding pieces for adding paint into the rollers are arranged on the supporting rods, and a rotating motor for driving the fixed table to rotate in the circumferential direction is arranged at the top end of the telescopic rod. The painting device has the effect of conveniently improving the painting efficiency.

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Номер записи: 8