地球同步轨道卫星自主导航技术研究。
The research on geosynchronous satellite autonomous navigation technology.
分析和讨论了月亮摄动力对卫星自主导航的影响，给出了其影响的变化规律。
We analyze and discuss moon's impacts on satellite, and give its change rule.
针对小卫星星座的自主运行，重点研究了星座自主导航和自主维持技术。
According to its autonomy operating, the technology including autonomous navigation and maintenance of the constellation is emphasized.
中国也成为继美国和俄罗斯之后，第三个具有自主导航卫星的国家。
China has also become the third country with independent navigation satellite after United States and Russia.
地磁场矢量是卫星所在位置的函数，通过对地磁场的测量，即可实现对近地小卫星的自主导航。
Magnetic field vector is a function of the position where the satellite stays. Thus autonomous navigation for small satellite can be achieved by measuring the magnetic field vector.
卫星导航系统受到越来越多国家的重视，而自主导航无疑是其中的核心技术之一。
More and more countries are attaching importance to satellite navigation system, and autonomous navigation is one of the key technologies.
卫星导航系统受到越来越多国家的重视，而自主导航无疑是其中的核心技术之一。
More and more countries are attaching importance to satellite navigation system, and autonomous navigation is one of the key technologies.
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