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Influence of Tide Perturbation on Autonomous Orbit Determination of Navigation Satellites
Author(s): 
Pages: 1394-1398
Year: Issue:  12
Journal: Geomatics and Information Science of Wunan University

Keyword:  导航卫星 自主定轨 星座整体旋转 潮汐摄动;
Abstract: 讨论了仅利用星间测距观测值进行导航卫星自主定轨时所遇到的星座整体旋转问题,分析了潮汐摄动对升交点赤经以及导航卫星自主定轨的影响。模拟计算结果表明,潮汐对自主定轨的切向和法向误差的影响较大,而且这种影响随着自主定轨时间的增加会越来越大,在第110 d时,其影响可达4 m,由此指出了在高精度自主定轨中顾及潮汐摄动的必要性。
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