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基于PANDA软件的实时精密单点定位研究 被引量:59

Real-Time Precise Point Positioning Based on PANDA Software
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摘要 基于PANDA软件,研究了全球以及中国境内实施实时精密单点定位的模式及可行性。实际数据分析结果显示,采用IGS中心提供的超快速预报星历(Ultra—BRD),利用全球40个左右均匀分布的IGS站实时数据,PANDA软件实现了10~20cm精度的实时精密单点定位;国内仅需6~7个测站的实时观测数据,PANDA软件就可以提供全国范围精度为10~20cm的实时精密单点定位服务。 The model and possibility of real-time precise point positioning (PPP) are studied based on PANDA. The experimental results show that based on Ultra-broadcast ephemeris provided by IGS Center, with the data of 43 IGS stations around world, the accuracy of realtime global PPP can be better than 10-20 cm by PANDA. Meantime with 6-7 IGS stations in China, the accuracy of real-time PPP can reach 10-20 cm around China by PANDA.
出处 《武汉大学学报(信息科学版)》 EI CSCD 北大核心 2007年第4期312-315,共4页 Geomatics and Information Science of Wuhan University
基金 国家自然科学基金资助项目(40504002) 国家973计划资助项目(2006CB701301)
关键词 PANDA 精密钟差 精密单点定位 GPS 超快速预报星历 PANDA precise satellite clock PPP GPS ultra-broadcast ephemeris
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参考文献4

  • 1Zumberge J F,Heflin M B,Jefferson D C,et al.Precise Point Positioning for the Efficient and Robust Analysis of GPS Data from Large Network[J].Journal of Geophysical Research,1997,102:5 005-5 017.
  • 2Hatch R.Satellite Navigation Accuracy:Past,Present and Future[C].The 8th GNSS Workshop,Korea,2001.
  • 3Gao Yang,Chen Kongzhe.Performance Analysis of Precise Point Positioning Using Real-time Orbit and Clock Products[C].The 2004 International Symposium on GNSS/GPS,Sydney,2004.
  • 4Gerald J B.Factorization Methods for Discrete Sequential Estimation[M].New York:Academic Press,2006.

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