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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 3. Отображено 3.
11-08-2023 дата публикации

Low-pass filter circuit capable of adjusting stop-band depth

Номер: CN116582106A
Автор: LIU XIN, CUI JIUPENG, DING CHANGCHUN, HAN FUCHENG, LIU JUN, WANG XIAOWEI, LUO JIADONG, CHENG JINJING
Принадлежит:

The invention provides a low-pass filter circuit capable of adjusting stop-band depth, which belongs to the technical field of active low-pass filtering and comprises an in-phase amplifier consisting of a resistor R1, a resistor R2 and an operational amplifier U1, a reverse amplification circuit consisting of a T-type network consisting of a resistor R6, a resistor R8 and a resistor R9 and an operational amplifier U3, and a low-pass filter circuit consisting of an operational amplifier U3, the high-pass negative feedback filter circuit is composed of a resistor R3, a resistor R4 and a capacitor C2, the positive feedback circuit is composed of a resistor R7, a resistor R10 and an operational amplifier U3, the bit output follower is composed of an operational amplifier U2, and at least one of the resistor R7 and the resistor R10 is a resistance-adjustable resistor. The amplification factor of the tail end of the low-pass filter circuit can be changed by adjusting the resistance value of the ...

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Номер записи: 1
13-06-2023 дата публикации

Full-automatic three-axis non-magnetic constant-temperature calibration table

Номер: CN116256003A
Автор: WANG XIAOLEI, QIAN MANMAN, LIU JUN, LIU XIN, WANG XIAOWEI, LUO JIADONG, CUI JIUPENG, CHENG JINJING, ZHANG JIANGONG, WANG XIN, SHEN YU, LI FANGFANG, CHEN CHENGBIN
Принадлежит:

The invention, which belongs to the technical field of sensor calibration, discloses a full-automatic three-axis non-magnetic constant-temperature calibration table comprising an azimuth axis assembly, a dip angle axis assembly installed on the azimuth axis assembly, a tool face angle axis assembly installed on the dip angle axis assembly, and a high-low temperature constant-temperature cabin installed on the tool face angle axis assembly. The non-magnetic structure design is adopted for all core parts, the influence of a magnetic field on an effective measurement area is avoided, the influence of system magnetic field distortion on the sensor calibration precision is reduced, the azimuth axis assembly, the dip angle axis assembly and the tool face angle axis assembly which are arranged in an orthogonal mode are adopted, precise adjustment of the calibration position within the 360-degree spherical surface range is achieved, and the calibration precision is improved. The basic parameters ...

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Номер записи: 2
18-07-2023 дата публикации

Full-automatic three-axis non-magnetic constant-temperature checking table and attitude and heading instrument automatic checking method

Номер: CN116448144A
Автор: LIU JUN, WANG XIAOWEI, LIU XIN, XU KE, LUO JIADONG, CHENG JINJING, CUI JIUPENG, ZHANG JIANGONG, WANG KANGSHENG, ZHU GUOSHENG, FENG YONGZHI, LI ZHIYONG, WANG SHUBING, ZHENG ZEHAO
Принадлежит:

The invention discloses a full-automatic three-axis non-magnetic constant-temperature checking table and an automatic checking method of an attitude and heading instrument, and belongs to the technical field of sensor calibration. The full-automatic three-axis non-magnetic constant-temperature calibration table comprises an azimuth axis assembly, a dip angle axis assembly installed on the azimuth axis assembly, a tool face angle axis assembly installed on the dip angle axis assembly and a high-low temperature constant-temperature cabin installed on the tool face angle axis assembly, and core parts all adopt non-magnetic structural design, so that the influence of a magnetic field on an effective measurement area is avoided; in addition, the azimuth axis assembly, the dip angle axis assembly and the tool face angle axis assembly which are arranged in an orthogonal mode are adopted, so that accurate adjustment of the calibration position within the 360-degree spherical range is achieved.

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Номер записи: 3