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GPS?????????????????????????
引用本文:肖琴琴,崔先强,贾小林,宋迎春,杜琨.GPS?????????????????????????[J].大地测量与地球动力学,2014,34(1):92-95.
作者姓名:肖琴琴  崔先强  贾小林  宋迎春  杜琨
作者单位:1)中南大学地球科学与信息物理学院,长沙 410083
2)湖南城市学院市政与测绘工程学院,益阳 413000
3)西安测绘研究所,西安 710054
4)长沙市规划勘测设计研究院,长沙 410007
基金项目:地理信息工程国家重点实验室开放基金(SKLGIE2013 M 2 4); 中国博士后科学基金(2013M540641)
摘    要:??????GPS??????????????????????ж?????????????????????????????????????????GPS???????????????????????????

关 键 词:GPS  ??????  ????  ?????  URE  
收稿时间:2013-05-14

PERFORMANCE COMPARISON OF GPS BROADCAST EPHEMERIS 
PARAMETERS AND THEIR FITTING ALGORITHMS
Xiao Qinqin,Cui Xianqiang,Jia Xiaolin,Song Yingchun,Du Kun.PERFORMANCE COMPARISON OF GPS BROADCAST EPHEMERIS 
PARAMETERS AND THEIR FITTING ALGORITHMS[J].Journal of Geodesy and Geodynamics,2014,34(1):92-95.
Authors:Xiao Qinqin  Cui Xianqiang  Jia Xiaolin  Song Yingchun  Du Kun
Institution:1)School of Geosciences and Info-Physics,Central South University,Changsha 410083
2)School of Municipal and Surveying Engineering,Hunan City University,Yiyang 413000
3)Xi’an Institute of Surveying and Mapping,Xi’an 710054
4)Changsha Urban Planning & Design Survey Research Institute,Changsha 410007
Abstract:Based on the comparation of two kinds of GPS broadcast ephemeris parameters and their fitting algorithms,the influence of some changed parameters on broadcast ephemeris fitting algorithms is analizesd. The calculated results with the method using the orbit interpolated by GPS precise ephemeris indicate that the method is feasible.
Keywords:global positioning system  broadcast ephemeris  parameter  partial derivative  user range error
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