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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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Применить Всего найдено 3. Отображено 3.
09-11-2011 дата публикации

Spread spectrum circuit

Номер: CN0102237860A
Автор: JINGHE HONG, YONGZHENG LIN, BAIYU ZENG, HONG JINGHE, LIN YONGZHENG, ZENG BAIYU
Принадлежит:

The invention discloses a spread spectrum circuit, which comprises an inverter, a current supply, a control unit and a shaping circuit, wherein the input end of the inverter is used for receiving an original clock pulse signal; the current supply is coupled to the current transmission end of the inverter; the control unit comprises a control circuit which is used for controlling the charging/discharging speed of the output end of the inverter by changing the magnitude of the current of the current supply according to the original clock pulse signal to make the output end output a voltage signal; and the shaping circuit is used for shaping the voltage signal to obtain a spread spectrum clock pulse signal.

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Номер записи: 1
17-03-2010 дата публикации

Rail-to-rail operational amplifier capable of lowering power consumption

Номер: CN0101674057A
Автор: JIAHONG LIN, ZHIQING LIN, YONGZHENG LIN, CONGHAO ZHANG, LIN JIAHONG, LIN ZHIQING, LIN YONGZHENG, ZHANG CONGHAO
Принадлежит:

The invention relates to a rail-to-rail operational amplifier capable of lowering power consumption, comprising an amplifier stage circuit, an output stage circuit and a compensation circuit, wherein the amplifier stage circuit comprises a first compensation output end and a second compensation output end and is used for generating an amplifying signal according to an input signal, the output stage circuit is coupled to the amplifier stage circuit and is used for outputting the amplifying signal, and the compensation circuit is coupled to the amplifier stage circuit and the output stage circuit and comprises a first voltage generator used for generating a first voltage, a second voltage generator used for generating the second voltage, a first compensation capacitor, a second compensation capacitor and switches from first to fourth, wherein the first voltage is equal to the steady state voltage of the first compensation output end, and the second voltage is equal to the steady-state voltage ...

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Номер записи: 2
28-01-2015 дата публикации

Coronal mass ejection event identification method

Номер: CN104318049A
Автор: ZHANG LING, YIN JIANQIN, FENG ZHIQUAN, LIN YONGZHENG, BIAN JUNXIA, PAN YUQI
Принадлежит:

The invention discloses a coronal mass ejection event identification method, which comprises the following steps: firstly, cutting coronal observation images with a CME (Coronal Mass Ejection) phenomenon and the coronal observation images without the CME phenomenon, and carrying out grey information characteristic statics on cutting blocks to find differences between the coronal observation images with the CME phenomenon and the coronal observation images without the CME phenomenon; cutting by utilizing different cut dimensions, comparing the gray statics characteristics of the coronal observation images with the CME phenomenon and the coronal observation images without the CME phenomenon under various cutting ways to select a plurality of optimal cutting ways; on the basis of the gray statics characteristics of cutting images obtained by the optimal cutting ways, designing a plurality of weak classifiers; finally, regulating the specific gravity of each weak classifier by utilizing an ...

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Номер записи: 3