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基于中继卫星的飞船定轨精度分析

Manned Spaceflight(2011)

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Abstract
基于距离和数据的观测模型,利用中继卫星对神舟七号飞船的轨道测量数据,分别采用4种不同的轨道确定方案,进行轨道确定及3h~48h轨道预报。通过与导航卫星定轨预报结果的比较,对基于中继卫星测量的飞船定轨和预报精度进行分析,论证了其定轨误差范围。
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Key words
TDRS,Sum of Range,Spacecraft,Precision of Orbit Determination
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