Volume 33 Issue 9
Sep.  2008
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HU Zhigang, HUA Xianghong, LI Zhao, HAN Hongchao. Nonlinear Surveying Model Parameters Estimation Based on Homotopy Arithmetic[J]. Geomatics and Information Science of Wuhan University, 2008, 33(9): 930-933.
Citation: HU Zhigang, HUA Xianghong, LI Zhao, HAN Hongchao. Nonlinear Surveying Model Parameters Estimation Based on Homotopy Arithmetic[J]. Geomatics and Information Science of Wuhan University, 2008, 33(9): 930-933.
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Nonlinear Surveying Model Parameters Estimation Based on Homotopy Arithmetic

  • 1Research Center for Hazard Monitoring and Prevention,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 云南省省院省校科技合作计划资助项目(2006YX36)，武汉市科技计划资助项目(200760323113)
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  • Received Date: July 08, 2008
  • Revised Date: July 08, 2008
  • Published Date: September 04, 2008
    Graphical Abstract
    • Abstract
  • Two new methods for homotopy nonlinear robust estimation method and homotopy restricted-nonlinear method are proposed.Moreover,the corresponding nonlinear functional models for the two methods have also been deduced accurately.Numerical experiment results show that the methods developed have low requirement for the initial value,with fast convergence speed and better precision,which is an effective method in the nonlinear surveying model parameter estimation.
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