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《Hydrographic Surveying and Charting》 2007-03
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Study on Using GPS Pseudorange Data to Assess the Precision of Broadcast Ephemeris

LIU Yu-qiong1,ZHANG Yao-wen2,WU Ji-xian2(1.College of Earth Science and Land Resourses,Chang'an University,Xi'an,Shaanxi,710054;2.College of Geological and Surveying Engineering,Chang'an University,Xi'an,Shaanxi,710054)  
This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.At the same time,it also concludes by analyzing and calculating: it can obviously improve the precision of GPS pseudorange data by using GPS carrier phase to smooth pseudorange.In this paper,it uses the data observed on July 19,2004 to assess the precision of broadcast ephemeris which is provided by IGS.Based on the pseudorange residual analysis,it is found that the accuracy of broadcast ephemeris' precision is 3 m or so.
【CateGory Index】: P228.4
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 YANG Rengui~(1,2) OU Jikun~(1) WEN Debao~(1,2)(1 Key Laboratory of Dynamic Geodesy,Institute of Geodesy and Geophysics,Chinese Academy of Sciences,174 Xudong Road,Wuhan 430077,China; 2 Graduate School of Chinese Academy of Sciences,19 Yuquan Road,Beijing 100039,China);GPS BROADCAST EPHEMERIS ERROR AND ITS EFFECT ON POSITIONING[J];Journal of Geomatics;2006-01
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 YANG Feng-yun (School of Civil and Transportation Engineering,Anshan University of Science and Technology,Anshan 114044,China);Application in practice and solution to integer cycle ambiguity of RTK in fast speed[J];Journal of Anshan University of Science and Technology;2003-02
2 Chen Yiqun ① Hu Congwei ① Yang Huanqing ② (① Tongji University, Shanghai, 200092; ② Shanghai Construction and Designing Research Institute, Shanghai, 200017);The Curve-Fitting Model for GPS Orbit Calculation[J];ENGINEERING OF SURVEYING AND MAPPING;2000-02
3 LIU Qing-yuan, WANG Qian-xin, GONG You-xing ( Central South University, Changsha 410083, China; National University of Defense Technology, Changsha 410073, China);Research on Galileo combinatorial observed values[J];Engineering of Surveying and Mapping;2005-01
4 ZHANG Yao-wen~1,JIA Xiao-lin~2,YANG Zhi-qiang~1(1.College of Geological and Surveying Engineering,Chang'an University,Xi'an 710054,China;2.Xi'an Institute of Surveying and Mapping,Xi'an 710054,China);The precision analysis of IGS ultra-rapid ephemeris[J];Engineering of Surveying and Mapping;2006-06
5 SUN Zheng-ming,GAO Jing-xiang,WANG Jian(School of Environment Science and Spatial Informatics,China University of Mining and Technology,Xuzhou 221008,China);GPS broadcast ephemeris error and its effect on single point positioning accuracy[J];Engineering of Surveying and Mapping;2007-06
6 LIU Qing-yuan,WANG Hu,WANG Qian-xin,BAO Hai,ZHANG Chang-shu(School of Info-Physics and Geomatics Engineering,Central South University,Changsha 410083,China);Galileo methods of high-order ionospheric refraction correction[J];Engineering of Surveying and Mapping;2008-02
7 ZHENG Jia-zhu1,XIONG Ying2(1.College of Civil Engineering,Nanjing Forestry University,Nanjing 210037,China;2.Jiangsu Coal Geologic Prospect and Survey Team,Nanjing 210046,China);The application of wavelet to data pretreatment in GPS baseline solution[J];Engineering of Surveying and Mapping;2008-06
8 WAN Jin-tao1,BAO Hai2 (1.Institute of Surveying and Mapping,Chang jiang River Administrative Bureau,Wuhu 241000,China;2.Central South University,Changsha 410083,China);Simulating the clock error of receiver by the method of linear time sequence[J];Engineering of Surveying and Mapping;2009-01
9 ZHANG Han wei1, ZHENG Yong2, MAO Gao feng2 (1.Institute of Geodesy and Geophysics , Chinese Academy of Sciences, Wuhan 430077,Chian; 2.Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450052,China);Research progress on the neutral atmospheric refraction delays for VLBI-correction model of the mapping function[J];Science of Surveying and Mapping;2003-02
10 CAI Yan-hui①,WANG Ze-min②,CHENG Jian②,ZHANG Chuan-yin①,BEI Jinzhong①(①Chinese Academy of Surveying and Mapping 100039;②715 Research Institute of Shipbuilding Industry Corp,310012);The application of 3-Dimentional digital compass in under-water positioning[J];Science of Surveying and Mapping;2005-03
China Proceedings of conference Full-text Database 1 Hits
1 XIA Hui~1,YANG Dong-kai~1,CHEN Xin~2 (1.School of Electronics and Information Engineering,Beihang University,Beijing 100083,China; 2.Beijing Spatial Port Geosystems Corp.Ltd.,Beijing 100038,China);Research and Realization of Embedded GPS-Based Direction Determination System[A];[C];2006
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