| GPS卫星精密定轨中的摄动力分析 |
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| 引用本文： | 王琰,宋力杰,黄令勇.GPS卫星精密定轨中的摄动力分析[J].测绘工程,2013(5):16-20,24. |
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| 作者姓名： | 王琰 宋力杰 黄令勇 |
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| 作者单位： | 信息工程大学测绘学院,河南郑州450052 |
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| 基金项目： | 国家自然科学基金资助项目（41274015） |
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| 摘 要： | 在介绍各种摄动模型的基础上，将IGS提供的SP3精密星历作为几何轨道，应用不同的摄动模型进行几何轨道平滑，求得卫星轨道的动力学参数，再用动力学参数积分求定卫星的轨道，将其与IGS提供的SP3精密星历进行比较，从而详细分析每一种摄动力对GPS轨道影响的量级，而且说明建立的GPS卫星轨道的摄动模型是比较准确的。
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| 关 键 词： | GPS轨道摄动 轨道外推 几何轨道平滑 |
Analysis of perturbation forces of GPS precise orbit determination |
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| WANG Yah,SONG Li-jie,HUANG Ling-yong.Analysis of perturbation forces of GPS precise orbit determination[J].Engineering of Surveying and Mapping,2013(5):16-20,24. |
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| Authors: | WANG Yah SONG Li-jie HUANG Ling-yong |
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| Institution: | (School of Surveying and Mapping, Information Engineering University, Zhengzhou 450052,China) |
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| Abstract: | It introduces all kinds of perturbation force models. The SP3 precise ephemeris of IGS are regarded as the geometry orbit, and dif{erent perturbation models are used to get the kinetic parameters of the GPS satellite orbit, which are integrated to get the orbit. Compared with the SP3 precise ephemeris, the result shows the magnitude of each perturbation and the perturbation model of GPS satellite orbit can reach to the accuracy. |
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| Keywords: | GPS satellite orbit perturbation orbit extrapolation geometry orbit adjustment |
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