The invention provides a virtual transponder capture method and capture system based on satellite space distribution inspection. The virtual transponder capture method comprises the following steps: firstly, establishing a virtual transponder basic database; then acquiring the current position and running state of a train according to satellite navigation, and predicting a target virtual transponder to be captured and a pre-capturing triggering moment according to the basic database; from the pre-capturing triggering moment, calculating a visual satellite space distribution characteristic value and a prediction value in real time; meanwhile, estimating a satellite spatial distribution reference value according to the basic database; judging the capture state of the target virtual transponder to be captured according to the satellite spatial distribution characteristic value, the characteristic value prediction value and the reference value; and determining the capture moment, correcting the current position of the train and updating the virtual transponder basic database. According to the method, the limitation of implementing capture space analysis from a positioning domain is overcome, the capture precision and real-time performance of the virtual transponder are improved, and the design, development and equipment manufacturing of a novel train control system can be effectively supported.

    本发明提供了一种基于卫星空间分布检验的虚拟应答器捕获方法及捕获系统,所述虚拟应答器捕获方法首先建立虚拟应答器基础数据库,再根据卫星导航获取列车当前的位置及运行状态,根据基础数据库预测待捕获目标虚拟应答器及预捕获触发时刻;再自预捕获触发时刻,实时计算可视卫星空间分布特征值及预测值,同时根据基础数据库估计卫星空间分布参考值,再根据卫星空间分布特征值、特征值预测值与参考值,判断待捕获目标虚拟应答器捕获状态,确定捕获时刻、校正列车当前位置及更新虚拟应答器基础数据库。本发明克服了从定位域入手实施捕获空间分析的局限性,提高了虚拟应答器捕获精度和实时性,能够有效支持新型列车控制系统的设计、研制与装备制造。


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    Titel :

    Virtual transponder capture method and capture system based on satellite space distribution inspection


    Weitere Titelangaben:

    基于卫星空间分布检验的虚拟应答器捕获方法及捕获系统


    Beteiligte:
    LIU JIANG (Autor:in) / CAI BOGEN (Autor:in) / WANG JIAN (Autor:in) / LU DEBIAO (Autor:in) / SHANGGUAN WEI (Autor:in) / JIANG WEI (Autor:in) / CHAI LINGUO (Autor:in)

    Erscheinungsdatum :

    2020-06-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H04B TRANSMISSION , Übertragung / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01S RADIO DIRECTION-FINDING , Funkpeilung



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