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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 2. Отображено 2.
08-10-2014 дата публикации

Household wall-mounted electrostatic dust collector

Номер: CN104084308A
Автор: GAO YUNYI
Принадлежит:

The invention relates to a household wall-mounted electrostatic dust collector and belongs to the technical field of electrostatic dust collector structures. The household wall-mounted electrostatic dust collector comprises a pole plate upper-base and a pole plate lower-base, the pole plate upper-base and the pole plate lower-base are connected to a corona wire by anode plates orderly arranged at intervals, a positive pole of a high-voltage rectification controller connected to a power supply by a power supply socket is communicated with the anode plates, a negative pole of the high-voltage rectification controller is communicated with the corona wire, a water injection chamber with water injection holes is arranged in the pole plate upper-base, a side of the water injection chamber is provided with a water inlet pipe, a water storage chamber is arranged in the pole plate lower-base, a side of the water storage chamber is provided with a water outlet pipe and the water injection holes are ...

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Номер записи: 1
18-08-2023 дата публикации

Solid carrier rocket flight modal parameter identification method

Номер: CN116609026A
Автор: PAN ZHONGWEN, LIU WEI, DAI TINGTING, ZHANG JING, LIU JIAJIA, MA SHANG, LIU SHUAISHUAI, YAO YAO, WANG XIAOLEI, ZHANG RENJIA, ZHANG JIAWEI, YAN YIHAN, ZHANG WEN, YAN KAI, SHI BAOLAN, ZENG YAOXIANG, LYU HAIBO, WU WANTONG, WU YUYU, ZHU LI, HE LEI, HUA JIN, TONG MINGXI, YUE YONG, ZHAO JILIANG, GAO YUNYI, YU YIFAN, PAN XU
Принадлежит:

The invention discloses a solid carrier rocket flight modal parameter identification method, and belongs to the technical field of aircrafts. The method comprises the following steps: carrying out flight measurement scheme design based on flight modal parameter identification requirements, and determining the mounting position and the measuring range of a telemetering sensor; carrying out a flight test, obtaining a flight whole-course telemetering result, and representing the result as whole-course time domain data; segmenting the telemetering time domain data according to the flight segments, and preprocessing the segmented data; performing frequency domain analysis on the preprocessed time domain data to obtain spectrum characteristics at each moment; performing preprocessing, feature analysis and curve characteristic fitting on the time domain data to obtain damping data; performing preprocessing and magnitude comparison on the time domain data of different position curves to obtain ...

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Номер записи: 2