1–4 von 4 Ergebnissen
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    Ground calibration method and device for pointing precision of spatial two-dimensional high-frequency antenna and medium

    Freier Zugriff
    DUAN SHENGWEN / YU HANG / LIU ZIYI et al. | Europäisches Patentamt | 2024

    Aerial photogrammetry device and cleaning method

    Freier Zugriff
    WU JIAN / XU JING / QIAN JUN et al. | Europäisches Patentamt | 2023

    Water conservancy intelligent telemetering equipment based on 5G Internet of Things technology

    Freier Zugriff
    WU JIAN / CAO XIANYU / WU JINGFENG et al. | Europäisches Patentamt | 2022