Volume 38 Issue 4
Apr.  2013
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ZENG Anmin, QIN Xianping, LIU Guangming, TANG Yingzhe. Hardy Multi-quadric Fitting Model of Chinese Mainland Horizontal Crustal Movement[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 394-398.
Citation: ZENG Anmin, QIN Xianping, LIU Guangming, TANG Yingzhe. Hardy Multi-quadric Fitting Model of Chinese Mainland Horizontal Crustal Movement[J]. Geomatics and Information Science of Wuhan University, 2013, 38(4): 394-398.
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Hardy Multi-quadric Fitting Model of Chinese Mainland Horizontal Crustal Movement

  • 1College of Surveying and Mapping, Information Engineering University, 66 Middle Longhai Road, Zhengzhou 450052, China)(2State Key Laboratory of Geo\|information Engineering, 1 Middle Section Yanta Road, Xi’an 710054, China)(3Xi’an Research Institute of Surveying and Mapping, 1 Middle Section Yanta Road, Xi’an 710054, China

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  • Received Date: March 21, 2013
  • Revised Date: April 04, 2013
  • Published Date: April 04, 2013
    Graphical Abstract
    • Abstract
  • By processing GPS data of the fiducial stations and repeatedly observed stations from 1998 to 2009, the corresponding velocities of a set of 1 041 reference frame stations (RS) are obtained, constrained to the current frame of 2000 Chinese Geodetic Coordinate System (CGCS2000). To establish the velocity field of horizontal crustal movement of Chinese mainland by using hardy multi-quadric fitting model and the velocities of 1 041 RS, we discuss the key problems of the hardy function interpolation: the influences of kernel function, nodes and smoothing factor. And we establish a largely covered and valuable speed field model of horizontal crustal movement of Chinese mainland using hardy function interpolation. This established speed field result would be widely used for maintaining 2000 Chinese Terrestrial Reference Frame (CTRF2000) and researching the crustal movement of Chinese mainland.
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