Volume 33 Issue 8
Aug.  2008
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CAI Yanhui, CHENG Pengfei. Baseline Network Analysis of Different Underwater GPS Positioning System[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 824-827.
Citation: CAI Yanhui, CHENG Pengfei. Baseline Network Analysis of Different Underwater GPS Positioning System[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 824-827.
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Baseline Network Analysis of Different Underwater GPS Positioning System

  • 1Chinese Academy of Surveying and Mapping,16 Beitaiping Road,Haidian District,Beijing 100039,China;2Liaoning Technical University,45 Zhonghua Road,Fuxin 123000,China

Funds: 国家863计划资助项目(2005AA613050)
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  • Received Date: June 14, 2008
  • Revised Date: June 14, 2008
  • Published Date: August 04, 2008
    Graphical Abstract
    • Abstract
  • A new analytic method for analyzing the stability of hyperbolic intersecting algorithm is given,which is a base principle of underwater GPS positioning system.The formula to resolve underwater target's coordinates are derived under polar coordinates system.Based on the formula,a set of analytic equations are deduced.Numerical tests show that the method is feasible and effective.The results reveal that there exists distinct area in which the hyperbolic intersection algorithm becomes instable when all buoys distribute on an un-radiate network.Because of weak constrains in depth direction,the accuracy of depth resolution is usually got tremendously bad.
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