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根据我国同步广播卫星的现状，本文提出在不专门占用卫星信道的情况下，保留现有的ＣＣＴＶ中的时间信号，并将卫星轨道参数以及其它参数插入到ＣＣＴＶ信号中去的技术问题以及控制方法，完成同步卫星的高精度授时工作。
According to the status quo of synchronous broadcast satellite in our country, this paper proposes the technical problem of retaining the existing CCTV time signal and inserting the satellite orbital parameters and other parameters into the CCTV signal without occupying the satellite channel and the control method , To complete the synchronous satellite precision timing work.