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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 и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 10. Отображено 10.
20-08-2020 дата публикации

LIDAR AND COMBINED SCANNING APPARATUS

Номер: WO2020164223A1
Автор: REN, Jianfeng, YU, Aihua
Принадлежит:

Disclosed is a LIDAR, comprising a rotating reflection mechanism (10) provided with at least one reflecting surface (11) and capable of rotating; a transceiver module, comprising a laser emitter (31) and a detector (32); a mirror galvanometer (20), disposed between the rotating reflection mechanism (10) and the transceiver module, receiving a laser light beam from the laser emitter (31) and deflecting in a vertical direction; the laser light beam deflected in a vertical direction scanning horizontally outward by means of the reflective surface of the rotating reflection mechanism. Also disclosed is a combined scanning apparatus. The present invention can use a small number of laser light sources to realize scanning coverage of a large field of view range, and is characterized by having a wide horizontal field of view, high scanning frame frequency, large vertical field of view and high angular resolution in the vertical field of view direction; for an equivalent vertical field of view resolution ...

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Номер записи: 1
15-06-2017 дата публикации

METHOD AND APPARATUS FOR COMPRESSING AND DECOMPRESSING DATA

Номер: WO2017097071A1
Автор: LIANG, Jingbiao, REN, Jianfeng, LI, Yongzhi, LIU, Wenjiao
Принадлежит:

A method for compressing and decompressing data comprises: analyzing original transmission data, and determining data characteristics information comprising a data structure and a data size of the original transmission data (S110); determining whether the original transmission data is to be compressed or not according to the data characteristics information (S120); if the determination result is to execute compression, converting a key of an original key-value pair in the original transmission data to generate a corresponding compressed key based on a predetermined key compression technique in a key compression matching list (S130); and generating compressed transmission data comprising corresponding compression key-value pairs based on the compressed key (S140). By the method, network bandwidth can be saved in the data transmission, and the present method can save network bandwidth, avoid undesirable data loss caused by a large amount of data, and achieve efficient transmission of the ...

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Номер записи: 2
09-05-2023 дата публикации

Multi-level synchronous updating method and device for power grid stability control off-line strategy and medium

Номер: CN116094165A
Автор: YAN YUNSONG, XU GAOYANG, WANG ZHONGMING, XU WEI, CHEN YONGHUA, REN JIANFENG, SI QINGHUA, XU JIE, ZHANG ZIMING, WANG LEI, WANG JILIN, XU TE, WANG WEIRU, CHENG XUETING, SHI XINCONG
Принадлежит:

The invention discloses a multi-level synchronous updating method and device for a stability control offline strategy of a power grid and a medium. The method comprises the following steps: constructing a multi-level updating framework of the stability control offline strategy based on a security and stability control system; synchronous updating of a stability control offline strategy is carried out based on the multi-level updating architecture; according to the invention, synchronous updating of strategies among stations of the stable control off-line strategy is ensured, and safe and stable operation of a power grid is ensured.

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Номер записи: 3
20-08-2020 дата публикации

TRANSCEIVER DEVICE AND LASER RADAR

Номер: WO2020164221A1
Автор: YU, Aihua, HUA, Yimin, REN, Jianfeng
Принадлежит:

Provided are a transceiver device and a laser radar. The transceiver device comprises: at least one circulator (13) comprising an input end (131), an output end (132), and a common end (133), the common end (133) forming an input/output end face; and a laser light source (11) and a detector (13) which are arranged matching each other, the laser light source (11) being communicated with the input end (131) of the circulator (13) and emitting a laser beam to the circulator (13), and the detector (12) being communicated with the output end (132) of the circulator (13) and receiving light signals emitted from the circulator (13). By designing a transceiver device and a laser radar, system integration is improved and system debugging and alignment difficulty is reduced, and easy assembly is achieved; further, each pair of laser light source and detector are connected by means of a circulator, the automatic pairing of the emitted laser light and the detector is achieved by using the characteristics ...

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Номер записи: 4
08-06-2016 дата публикации

Boron trifluoride gas making in -process accessory substance heat utilizes device

Номер: CN0205294863U
Автор: CHEN LINGJUN, REN JIANFENG, ZHU FANGYOU, SHI HONG
Принадлежит:

... 本实用新型公开了种三氟化硼造气过程中副产物热量利用装置，其特征在于：包括造气塔、至少个热量交换器、氟化氢储罐和副产酸储罐，所述热量交换器内设置有加热盘管，所述加热盘管与热量交换器的内壁间形成氟化氢通道，所述造气塔通过副产酸管道与加热盘管的端相连通，所述加热盘管的另端与副产酸储罐相连通，所述造气塔通过氟化氢管道与氟化氢通道相连通，所述氟化氢通道与氟化氢储罐相连通。本实用新型的优点是：结构简单，操作方便，对氟化氢进行汽化预热、能够达到节能降耗的目的。 ...

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Номер записи: 5
08-06-2016 дата публикации

Retrieve boron trifluoride's device in follow by -product sulphuric acid

Номер: CN0205294864U
Автор: CHEN LINGJUN, REN JIANFENG, ZHU FANGYOU, SHI HONG
Принадлежит:

... 本实用新型公开了种从副产硫酸中回收三氟化硼的装置，其特征在于：包括造气塔、副产硫酸缓冲罐、分离塔、负压吸收釜、溶剂高位罐、三氟化硼成品罐和副产硫酸储罐，所述副产硫酸缓冲罐设置在造气塔和分离塔之间，所述分离塔的底部与副产硫酸储罐相连通，所述负压吸收釜与分离塔的顶部相连通，所述负压吸收釜分别与溶剂高位罐和三氟化硼成品罐相连接，所述分离塔内设置有气液分布器。本实用新型的优点是：结构简单，每生产吨三氟化硼气体能从副产硫酸中回收合格的三氟化硼300公斤，同时避免副产硫酸发生冒烟现象。 ...

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Номер записи: 6
20-08-2020 дата публикации

SCANNING DEVICE AND LASER RADAR

Номер: WO2020164222A1
Автор: REN, Jianfeng, YU, Aihua
Принадлежит:

Disclosed is a scanning device, belonging to the field of laser radars, and comprising a rotating support (110) capable of rotating around a rotating shaft; a reflector (120) fixedly arranged on the rotating support; a magnetic member (130) fixedly arranged on the rotating support; and a magnetic field generating mechanism (200) that generates a variable-direction magnetic field (201), wherein the magnetic member (130) is arranged in the variable-direction magnetic field (201) and moves in a reciprocating motion under the action of the variable-direction magnetic field to drive the rotating support (110) to rotate in a reciprocating motion. A laser radar is further disclosed. The scanning device has the advantages of a small size, a high rotating speed, and a high efficiency in comparison with a rotary scanning system driven by an electric motor, has the advantages of a lower cost, a smaller size, a higher power consumption and a better environmental adaptation in comparison with a traditional ...

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Номер записи: 7
20-08-2020 дата публикации

DETECTION DEVICE AND LIDAR

Номер: WO2020164224A1
Автор: REN, Jianfeng, YU, Aihua
Принадлежит:

Provided are a detection device (100) and a lidar. The detection device (100) comprises: an optical fiber array, comprising a plurality of optical fibers (10), wherein two end parts of the plurality of optical fibers (10) are arranged in an array and form a signal light receiving surface (111) and a signal light emitting surface (121) at two ends, and the longitudinal area of the signal light receiving surface (111) is greater than the longitudinal area of the signal light emitting surface (121); and a detector (20), which is connected to the signal light emitting surface (121) and receives an optical signal emitted by the signal light emitting surface (121). Large-scale detection application is achieved by means of using a detector that has a relatively small area, thereby reducing the detector area, reducing the number of detectors, and preventing a plurality of detectors from affecting the optical signal reception efficiency due to a large seam while simultaneously reducing overall costs ...

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Номер записи: 8
08-06-2016 дата публикации

Boron trifluoride complexing absorbing device

Номер: CN0205294862U
Автор: CHEN LINGJUN, REN JIANFENG, ZHU FANGYOU, SHI HONG
Принадлежит:

... 本实用新型公开了种三氟化硼络合吸收装置，其特征在于：包括级吸收釜、级溶剂高位罐、二级吸收釜、二级溶剂高位罐、成品罐和废气吸收塔，所述级吸收釜上连接有三氟化硼气体管道，所述级溶剂高位槽与级吸收釜相连通，所述级吸收釜的底部连接有成品罐，所述二级溶剂高位罐与二级吸收釜相连通，所述级吸收釜的顶部通过级回流管与二级吸收釜相连通，所述二级吸收釜的底部通过管道与级吸收釜相连通，所述二级吸收釜的顶部通过二级回流管与废气吸收塔相连通。本实用新型的优点是：结构简单，利用其可以充分吸收络合三氟化硼，提高三氟化硼的利用率。 ...

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Номер записи: 9
27-06-2023 дата публикации

Buckle and grounding trunk hole-free device and installation method

Номер: CN116336048A
Автор: REN JIANFENG, WANG MINQIANG, LI JUNLI, WANG YIFEI, XIE ZONGKUN, DAI YINGBO, KANG FAN, LI YIXING
Принадлежит:

The invention discloses a buckle, a grounding main line hole-free device and an installation method, relates to the technical field of grounding main line installation, and is suitable for all construction engineering grounding main line indoor exposed laying grounding projects. Wherein the buckle is of an integrated groove type structure and comprises a horizontal part, the two sides of the horizontal part are connected with symmetrical external expansion parts which are folded upwards in an inclined mode, the external expansion parts are connected with clamping groove parts in the vertical direction, the clamping groove parts are connected with inwards-bent groove parts, and the groove part on one side is provided with a turning part; a through hole is formed in the center of the horizontal part. The grounding trunk hole-free device well overcomes the defects that traditional construction procedures are tedious, time is long, labor and cost are high and the like, and has the advantages ...

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Номер записи: 10