期刊文献+

基于双星定位系统的近地卫星联合定轨建模及精度分析 被引量:6

LEO Combined Orbit Determination Modeling and Precision Analysis Based on Bi-Satellite Positioning System
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摘要 通过对基于双星定位系统的近地卫星联合定轨测量模式的分析,建立了基于距离和观测数据的联合定轨模型,构建了一种有效的系统误差参数估计方法,设计了一种基于数值融合法的联合定轨算法.仿真计算结果表明,联合定轨方式可以较好地抑制静地卫星星历误差对近地卫星定轨精度的影响,两天观测数据下近地卫星定轨精度可以达到11.26米,验证了本文所提出的系统误差估计方法及数值融合实现算法的有效性. This paper constructs combined orbit determination (COD) models from the angle of range-sum observation data by analyzing Low Earth Orbiter (LEO) combined orbit determination ranging mode based on Bi-satellite Positioning System (BPS). and designs a ranging system error parameters estimation method and a numerical fusion method based COD algorithm. Simulation computation results show that COD strategy can restrain influence of geostationary orbit satellites ephemeris errors,and LEO orbit determination precision can achieve 11.26 meters which is estimated by two days range sum simulation data ;which proves the validity of the system error estimation method and numerical fusion algorithm.
出处 《电子学报》 EI CAS CSCD 北大核心 2006年第9期1681-1685,共5页 Acta Electronica Sinica
基金 全国优秀博士论文作者专项基金(No.200140) 国家自然科学基金(No.60572136)
关键词 双星定位系统 联合定轨 数值融合算法 精度分析 bi-satellite positioning system combined orbit determination numerical fusion algorithm precision analysis
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参考文献5

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二级参考文献3

共引文献13

同被引文献50

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