| M估计在卫星轨道确定中的应用 |
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| 引用本文： | 龙汉,潘晓刚,周海银,娇媛媛.M估计在卫星轨道确定中的应用[J].上海航天,2009,26(3):8-11. |
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| 作者姓名： | 龙汉 潘晓刚 周海银 娇媛媛 |
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| 作者单位： | 国防科学技术大学,理学院,湖南,长沙,410073 |
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| 摘 要： | 基于卫星测控的测量方程和动力学方程，分析了传统定轨策略中观测方程误差模型的非正态性，推导了定轨方程，提出了一种基于M估计的卫星定轨方法，证明了相关的性质。仿真结果表明：基于M估计的卫星定轨方法可明显抑制粗差影响，提高卫星轨道确定精度。
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| 关 键 词： | 卫星轨道确定 非线性约束 M估计 |
The Application of M Methods to Orbit Determination |
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| LONG Han,PAN Xiao-gang,ZHOU Hai-yin,JIAO Yuan-yuan.The Application of M Methods to Orbit Determination[J].Aerospace Shanghai,2009,26(3):8-11. |
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| Authors: | LONG Han PAN Xiao-gang ZHOU Hai-yin JIAO Yuan-yuan |
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| Institution: | (College of Science, NUDT, Changsha Hunan 410073, China) |
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| Abstract: | The abnormality of the observe equation error model in the tradition orbit determination tactics was analyzed based on the measuring equation and dynamics equation of the satellite in this paper. A satellite orbit determination method for based on M-methods was put forward, and the relative characteristic was approved. The simulation results showed that the bad rude effect could be restrained by this method and the orbit determination accuracy could be improved. |
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| Keywords: | Satellite orbit determination~ Nonlinearity constraint M method |
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