Volume 34 Issue 11
Nov.  2009
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GENG Changjiang, ZHANG Hongping, ZHAI Chuanrun. Real Time Estimation of DCB Using Kalman Filters[J]. Geomatics and Information Science of Wuhan University, 2009, 34(11): 1309-1311.
Citation: GENG Changjiang, ZHANG Hongping, ZHAI Chuanrun. Real Time Estimation of DCB Using Kalman Filters[J]. Geomatics and Information Science of Wuhan University, 2009, 34(11): 1309-1311.
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Real Time Estimation of DCB Using Kalman Filters

  • 1Research Center of GNSS,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3Shanghai Galileo Industries Ltd,680 Guiping Road,Shanghai 200233,China;4School of Aeronautics and Astronautics,Shanghai Jiaotong University,800 Dongchuan Road,Shanghai 200240,China

Funds: 国家973计划资助项目(2009CB724002)；国家自然科学基金资助项目(40804005)；国家863计划资助项目(2007AA12Z321,2006AA12A109)；上海市科委重点资助项目(075115013)；上海市科委重大资助项目(08dz1500300)
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  • Received Date: September 17, 2009
  • Revised Date: September 17, 2009
  • Published Date: November 04, 2009
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    • Abstract
  • Combined with VTEC Spherical Harmonic Function Model,the Kalman Filter with external constraint condition between some parameters solved is used for real time estimation of GPS satellite and receiver's Differential Code Bias (DCB). This can be used to provide DCBs for Wide Area Augmentation System's real time ionosphere delay modeling. The results show that the DCB can converge in short time in this solution. The final value of those DCBs is in little bias comparing with the results of IGS.
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