Volume 37 Issue 6
Jun.  2012
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XUE Zhihong, LOU Yidong, YI Wenting, DONG Yangyang. An Instantaneous Ambiguity Resolution Method for Kinematic Deformation Surveying Using GPS[J]. Geomatics and Information Science of Wuhan University, 2012, 37(6): 683-687.
Citation: XUE Zhihong, LOU Yidong, YI Wenting, DONG Yangyang. An Instantaneous Ambiguity Resolution Method for Kinematic Deformation Surveying Using GPS[J]. Geomatics and Information Science of Wuhan University, 2012, 37(6): 683-687.
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An Instantaneous Ambiguity Resolution Method for Kinematic Deformation Surveying Using GPS

  • 1 Institute of Surveying and Mapping,Information Engineering University, 66 Middle Longhai Road,Zhengzhou 450052,China;2 Research Center of GNSS,Wuhan University,129 Luoyu Road,Wuhan 430079,China;3 Key Laboratory of Mine Spatial Information Technologies,National Administration of Surveying Mapping and Geoinformatiion,2001 Shiji Road,Jiaozuo 454000,China

Funds: 矿山空间信息技术国家测绘地理信息局重点实验室开放基金资助项目(KLM201009)
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  • Received Date: April 14, 2012
  • Published Date: June 04, 2012
    Graphical Abstract
    • Abstract
  • Ambiguity resolution(AR) instantaneously is a significant way to improve the continuity and reliability for GPS kinematic deformation surveying system,and the AR is easier for longer wavelength.We propose a new method for AR in double-differenced level using a single epoch of data.Two combined signals with longer wavelength,φ-3,4 and φ4,-5,are used in this method.Based on the constraints of priori coordinates and the relation between the dual frequency,AR instantaneously is achieved.A robust adaptive Kalman filter is used for ensure the reliability of AR and the accuracy of position.The tolerance of position error for priori coordinate is exceeded to 50 cm and suit for kinematic deformation surveying.
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