The invention discloses an orbit transaction detection method and system based on transaction probability. The method comprises the following steps: acquiring satellite orbit data; splicing and reconstructing the satellite orbit data based on a forecast-combined wavelet analysis method to obtain an orbit inclination angle and semi-major axis information at the current moment after wavelet transformation; calculating a sub-criterion and a comprehensive criterion, and combining a limit threshold to carry out transaction detection to obtain a detection result; the transaction probability is introduced to map the comprehensive criterion, and the probability interval of the detection result is obtained. The system comprises a data acquisition module, a forecast-combined wavelet analysis module, a detection module and a probability calculation module. By using the method and the device, whether the track has abnormal movement or not can be quickly and accurately judged. The orbit transaction detection method and system based on the transaction probability can be widely applied to the field of satellite orbit maneuver detection.

    本发明公开了一种基于异动概率的轨道异动检测方法及系统,该方法包括:获取卫星轨道数据;基于结合预报的小波分析方法对卫星轨道数据进行拼接重构,得到小波变换后的当前时刻轨道倾角和半长轴信息;计算分判据和综合判据并结合极限阈值进行异动检测,得到检测结果;创引入异动概率对综合判据进行映射,得到检测结果的概率区间。该系统包括:数据获取模块、结合预报的小波分析模块、检测模块和概率计算模块。通过使用本发明,能够快速精准地判断出轨道是否发生异动。本发明作为一种基于异动概率的轨道异动检测方法及系统,可广泛应用于卫星轨道机动检测领域。


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    Title :

    Track transaction detection method and system based on transaction probability


    Additional title:

    一种基于异动概率的轨道异动检测方法及系统


    Contributors:
    ZHANG YAN (author) / WU PEIYUN (author) / LI JING (author) / CHEN JINTAO (author)

    Publication date :

    2023-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G01S RADIO DIRECTION-FINDING , Funkpeilung



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