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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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18-07-2023 дата публикации

Gait recognition method in ship environment based on dual millimeter wave radars

Номер: CN116453227A
Автор: YANG XING, LI ANG, LIU KEZHONG, ZENG XUMING, CHEN MOZI, ZHENG KAI, GONG DANEI, SCHUSTEIN
Принадлежит:

The invention discloses a gait recognition method in a ship environment based on dual millimeter-wave radars, which comprises the following steps: S1, setting a first millimeter-wave radar and a second millimeter-wave radar, so that the first millimeter-wave radar detects upper limb characteristics of a person, and the second millimeter-wave radar detects lower limb characteristics of the person; the detection ranges of the first millimeter-wave radar and the second millimeter-wave radar are not overlapped; s2, processing detection data of the first millimeter-wave radar and the second millimeter-wave radar to obtain a 3D point cloud feature map of the upper limbs, a speed-time feature map of the upper limbs, a speed-time feature map of the lower limbs and a rhythm frequency-speed feature map of the lower limbs; and S3, noise reduction is carried out on each feature map obtained in the S2, the feature maps are input into an mmGRnet network, and gait types are output after operation of the ...

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Номер записи: 1
16-05-2023 дата публикации

Ship personnel hidden threatening article carrying detection method and device and electronic equipment

Номер: CN116125466A
Автор: LIU KEZHONG, GONG DANEI, YANG RUIKAI, ZENG XUMING, CHEN MOZI, ZHANG SHENGKAI, ZHENG KAI, SCHUSTEIN
Принадлежит:

The invention provides a ship personnel hidden threatening article carrying detection method and apparatus, and an electronic device. The method comprises the steps of obtaining radar data returned by millimeter wave radars of multiple visual angles; filtering static object information to obtain first data, and performing joint estimation on the distance, azimuth angle and Doppler characteristics of the millimeter wave radar based on the first data to obtain a distance angle Doppler map; carrying out target detection on the feature map, carrying out multipath ghost elimination on radar radio frequency features, and carrying out feature cutting based on a target position of a person to obtain a target feature rectangular feature; filtering ship vibration noise in the radar data to obtain second data, and extracting micro-Doppler features in the movement process of the target personnel; and identifying the target feature rectangular feature and the micro-Doppler feature to obtain a detection ...

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Номер записи: 2