BDS轨道完备性监测设计与实现
发布时间：2019-02-13 19:56
【摘要】：针对北斗卫星导航系统(BDS)完备性研究较少的现状,该文提出了一种导航星历中轨道观测数据的完备性监测新方法。采用轨道积分方法分析了北斗卫星的轨道残差均方根值;通过概率统计的方法,分别计算所有北斗卫星的轨道残差极限误差值(告警限差),剔除误差超限甚至粗差卫星,实现事后轨道完备性监测。另外通过比较分析剔除监测标记出的误差卫星之前和之后对测站精密单点定位的影响,验证完备性的风险性。最后通过实测数据对该算法进行了验证和分析。实验结果表明:该算法可以实现卫星轨道的监测示警,标记误差卫星,达到轨道完备性监测效果。
[Abstract]:In view of the lack of research on (BDS) completeness of Beidou satellite navigation system, a new method for monitoring the completeness of orbit observation data in navigation ephemeris is proposed in this paper. The orbit residual RMS value of Beidou satellite is analyzed by orbit integral method. By using the method of probability and statistics, the limit error (alarm limit) of orbit residual error of all Beidou satellites is calculated, and the error overlimit or even gross error satellite is eliminated, and the orbit completeness monitoring is realized after the event. In addition, the risk of completeness is verified by comparing and analyzing the influence of error-eliminating satellites on the precise single-point positioning of the station. Finally, the algorithm is verified and analyzed by measured data. The experimental results show that the algorithm can realize the satellite orbit monitoring warning, marking error satellite, and achieve orbit completeness monitoring effect.
【作者单位】： 中国测绘科学研究院;四川省第一测绘工程院;黑龙江第一测绘工程院;
【分类号】：TN967.1
本文编号：2421804
[Abstract]:In view of the lack of research on (BDS) completeness of Beidou satellite navigation system, a new method for monitoring the completeness of orbit observation data in navigation ephemeris is proposed in this paper. The orbit residual RMS value of Beidou satellite is analyzed by orbit integral method. By using the method of probability and statistics, the limit error (alarm limit) of orbit residual error of all Beidou satellites is calculated, and the error overlimit or even gross error satellite is eliminated, and the orbit completeness monitoring is realized after the event. In addition, the risk of completeness is verified by comparing and analyzing the influence of error-eliminating satellites on the precise single-point positioning of the station. Finally, the algorithm is verified and analyzed by measured data. The experimental results show that the algorithm can realize the satellite orbit monitoring warning, marking error satellite, and achieve orbit completeness monitoring effect.
【作者单位】： 中国测绘科学研究院;四川省第一测绘工程院;黑龙江第一测绘工程院;
【分类号】：TN967.1
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