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《Geomatics and Information Science of Wuhan University》 2006-01
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Applications of Square-Root Information Filtering and Smoothing on Orbit Determination of LEO Satellites with On-Board GPS Data

ZHAO Qile~1 LIU Jingnan~(1) GE Maorong~(1,2) SHI Chuang~(1,2)(1 Research Center of GPS,Wuhan University,129 Luoyu Road,Wuhan 430079,China) (2 GFZ Potsdam,Telegrafenberg A17,Potsdam 14473,Germany)  
The realization of square-root information filtering and smoothing in orbit determination software is discussed,a new real-time quality control method based on SRIF/SRIS is presented.The on-board GPS data of CHAMP satellite is processed by SRIF/SRIS module of PANDA software.The results show that even small slips can be surely detected and the reduced dynamic orbit of CHAMP can reach 5-8 cm,when 24 IGS station were solved simultaneity.
【Fund】: 国家自然科学基金资助项目(40174005);; 国家教育部科学技术研究重点基金资助项目;; 地球空间环境与大地测量教育部重点实验室开放研究基金资助项目(905276031-04-01)
【CateGory Index】: P228.4
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【References】
Chinese Journal Full-text Database 4 Hits
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【Co-references】
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1 XU Qi-feng (Zhengzhou Institute of surveying and Mapping, Zhengzhou Henan 450052, China);Satellite Constellation of Local Navigation System[J];Engineering of Surveying and Mapping;2001-01
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