Volume 36 Issue 12
Dec.  2011
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CAI Changsheng, ZHU Jianjun, DAI Wujiao, KUANG Cuilin. Modeling and Result Analysis of Combined GPS/GLONASS Precise Point Positioning[J]. Geomatics and Information Science of Wuhan University, 2011, 36(12): 1474-1477.
Citation: CAI Changsheng, ZHU Jianjun, DAI Wujiao, KUANG Cuilin. Modeling and Result Analysis of Combined GPS/GLONASS Precise Point Positioning[J]. Geomatics and Information Science of Wuhan University, 2011, 36(12): 1474-1477.
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Modeling and Result Analysis of Combined GPS/GLONASS Precise Point Positioning

  • 1 Department of Geomatics Engineering,Central South University,932 South Lushan Road,Changsha 410083,China

Funds: 国家自然科学基金资助项目(41004011);中南大学前沿研究计划资助项目(2009QZZD002),中南大学自由探索计划资助项目(201012200086)
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  • Received Date: October 05, 2011
  • Published Date: December 04, 2011
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    • Abstract
  • Based on the fact that GPS and GLONASS measurements contain hardware delay biases,the mathematic model of the combined GPS and GLONASS precise point positioning(PPP) is derived and the influence of the hardware delay on estimated unknown parameters is further analyzed.The existence of the hardware delay biases is validated by results obtained from several IGS stations.The combined GPS/GLONASS PPP model is tested using IGS static data and kinematic data collected from an experiment.The obtained numerical results are analyzed with a comparison to that of GPS-only PPP.
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