Volume 34 Issue 9
Sep.  2009
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WU Yanqiang, JIANG Zaisen, YANG Guohua, FANG Ying. Application and Method of GPS Strain Calculating in Whole Mode Using Multi-Surface Function[J]. Geomatics and Information Science of Wuhan University, 2009, 34(9): 1085-1089.
Citation: WU Yanqiang, JIANG Zaisen, YANG Guohua, FANG Ying. Application and Method of GPS Strain Calculating in Whole Mode Using Multi-Surface Function[J]. Geomatics and Information Science of Wuhan University, 2009, 34(9): 1085-1089.
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Application and Method of GPS Strain Calculating in Whole Mode Using Multi-Surface Function

  • 1 Institute of Earthquake Prediction,CEA,63 Fuxing Road,Haidian District,Beijing 100036,China;2 First Crustal Monitoring and Application Center,CEA,7 Naihuo Road,Hedong District,Tianjin 300180,China

Funds: 国家科技支撑计划重点资助项目(2006BAC01B03-01-01)；国家自然科学基金资助项目(40674010)；国家科技支撑计划重点联合资助项目(2006BAC01B02-02-02)
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  • Received Date: July 17, 2009
  • Revised Date: July 17, 2009
  • Published Date: September 04, 2009
    Graphical Abstract
    • Abstract
  • By analyzing the coefficient formula between displacement and strain,the whole solving method using multi-surface function,which can calculate strain field in large region,is proposed.The theoretical strain field and calculation strain field of simulation data are given.In this simulating process,the 1 grid data and 50% constraining data are used as simulating input.By comparing the theoretical results and calculating results,the strain calculating method is tested effectively.Meanwhile,we analyze the GPS strain field of region network in China mainland using 1999-2004 GPS velocity fields and give the strain field distribution.The characteristic of multi-surface function method is discussed,and advice of strain calculation is given.
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