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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 2. Отображено 2.
18-04-2023 дата публикации

Clock synchronization device, equipment and vehicle

Номер: CN115987437A
Автор: ZHANG CHENGHUA, CAI JUNJIE, QIN PENGLAI, WANG JINWEI, WANG BIN, CHEN XIANQIANG, GU MINQI, LI SHAOLIANG
Принадлежит:

The invention discloses a clock synchronization device which comprises a crystal oscillator, a GPS assembly and a microprocessor chip. Wherein the crystal oscillator and the GPS assembly are connected with the microprocessor chip; the crystal oscillator is used for generating periodic oscillation; the microprocessor chip is internally provided with a timestamp generation assembly which is used for generating pps signals for local clock time service of each external device every one second based on an oscillation period of a crystal oscillator and a clock counting value; the time difference analysis component is connected with the GPS component and is used for receiving the GPS message sent by the GPS component, analyzing the GPS time from the GPS message and calculating the time difference based on the GPS time and the time of local clock time service; the processing component is used for referring to the time difference and adjusting a one-second clock count value through a PID algorithm ...

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Номер записи: 1
12-05-2023 дата публикации

Camera triggering method and device based on autonomous vehicle

Номер: CN116112804A
Автор: ZHANG CHENGHUA, CAI JUNJIE, WANG BIN, GU MINQI
Принадлежит:

The invention provides a camera triggering method and device based on an autonomous vehicle. The method comprises the following steps: determining a first moment and a second moment of an ith camera; according to a preset exposure duration corresponding to the ith camera, the first moment and the second moment, determining an advanced exposure duration corresponding to the ith camera; according to the environment information corresponding to the ith camera, correcting the advanced exposure duration corresponding to the ith camera to obtain the corrected advanced exposure duration corresponding to the ith camera; determining a third moment of the ith camera according to the corrected advanced exposure duration corresponding to the ith camera; and according to the third moment, controlling the ith camera to carry out next image acquisition. According to the method, the moment of triggering the camera next time can be automatically set, so that adaptive camera early triggering is realized; ...

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Номер записи: 2