Volume 32 Issue 6
Jun.  2007
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ZHANG Liming, LI Fei, CHEN Wu. Influence of Gravity Disturbance Resolution on GPS/Gravity Boundary Value Problem[J]. Geomatics and Information Science of Wuhan University, 2007, 32(6): 523-526.
Citation: ZHANG Liming, LI Fei, CHEN Wu. Influence of Gravity Disturbance Resolution on GPS/Gravity Boundary Value Problem[J]. Geomatics and Information Science of Wuhan University, 2007, 32(6): 523-526.
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Influence of Gravity Disturbance Resolution on GPS/Gravity Boundary Value Problem

  • 1 Institute of Geodesy and Geophysics,CAS,340 Xudong Street,Wuhan 430077,China 2 Dept.of Land Surveying and Goe-informatics,the Hong Kong Polytechnic University,Hung Hom,Kawloon,Hong Kong,China3 Graduate University of the Chinese Academy of Sciences,A 19 Yuquan Road,Beijing 100049,China4 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 国家自然科学基金资助项目(40374005,40674005);测绘遥感信息工程国家重点实验室开放研究基金资助项目(WKL(05)0201);地理空间信息工程国家测绘局重点实验室开放研究基金资助项目(200621)
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  • Received Date: March 13, 2007
  • Revised Date: March 13, 2007
  • Published Date: June 04, 2007
    Graphical Abstract
    • Abstract
  • Based on the theory of GPS/gravity boundary value problem,the errors caused by gravity disturbances of different resolution are simulated and analyzed using numerical simulation methods.The result shows that the relationship between data resolution and result precision is osculating,and 2 km resolution data can satisfy the demand of the centimeter level geoid in hilly area.Meanwhile some feasible suggestions are put forward.
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