• In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.

    研究了影响导航定位精度关键技术问题,时间基准、时间同步卫星定轨

    youdao

  • In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.

    对影响导航定位系统定位精度各种因素进行了分析。研究了影响导航定位精度关键技术问题,时间基准、时间同步卫星定轨等。

    youdao

  • The new version of J77 is found to be obviously advantageous to the precision orbit determination of ERS-1, which is at the height of 800km, compared with other atmospheric models.

    并将其应用高度为800公里ERS-1 卫星轨道计算,结果表明:修订后的J77模型其它大气模型轨精度上明显改善。

    youdao

  • The new version of J77 is found to be obviously advantageous to the precision orbit determination of ERS-1, which is at the height of 800km, compared with other atmospheric models.

    并将其应用高度为800公里ERS-1 卫星轨道计算,结果表明:修订后的J77模型其它大气模型轨精度上明显改善。

    youdao

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