Volume 34 Issue 9
Sep.  2009
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ZHAO Lihua, YANG Yuanxi. Crustal Deformation Analysis of Combined Geophysical Information with Geodetic Measurements[J]. Geomatics and Information Science of Wuhan University, 2009, 34(9): 1090-1093.
Citation: ZHAO Lihua, YANG Yuanxi. Crustal Deformation Analysis of Combined Geophysical Information with Geodetic Measurements[J]. Geomatics and Information Science of Wuhan University, 2009, 34(9): 1090-1093.
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Crustal Deformation Analysis of Combined Geophysical Information with Geodetic Measurements

  • 1 School of Geology Engineering and Geomatics,Chang'an University,126 Yanta Road,Xi'an 710054,China;2 Xi'an Research Institute of Surveying and Mapping,1 Middle Yanta Road,Xi'an 710054,China

Funds: 国家自然科学基金资助项目(40774001,40672173)
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  • Received Date: July 16, 2009
  • Revised Date: July 16, 2009
  • Published Date: September 04, 2009
    Graphical Abstract
    • Abstract
  • In order to utilize both of the two kinds of data reasonably,the displacements predicted from the geophysical model are employed as priori values and the GPS measurements are acted as updated information to implement the crustal deformation analysis.Because the geophysical predicted displacements and the geodetic measurements have different precision and different external reliability,we adopt Helmert variance component estimation to balance the effects from the two different types of data sets.A numerical example shows that the deformation analysis method proposed in this paper can improve the solution accuracy of deformation parameters.
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