GPS广播星历参数拟合分析 - xzbu.com 中国论文网 关键词： GPS广播星历；星历参数；拟合精度 [gap=522]Key words: GPS broadcast ephemeris, ephemeris parameter, fitting precision
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This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.
论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
Designs of the broadcast ephemeris parameters and algorithms of GPS and GLONASS, two major operational satellite navigation systems today have their respective features.
GPS和GLONASS作为当今世界上在轨运行的两大卫星导航系统，其广播星历参数的设计和算法各具特点。
When their orbit eccentricity or inclination are near zero, some problems may occur when the GPS Kepler orbit elements fitting method is applied to fit their broadcast ephemeris parameters.
导航卫星一般采用近圆轨道，当卫星轨道偏心率或者轨道倾角接近于零时，利用GPS卫星开普勒轨道根数拟合卫星广播星历会出现一些问题。
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