Volume 21 Issue 4
Apr.  1996
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Yang Zhanji, Yu Zongchou, Yu Zhenglin, Chen Yongqi. A Study of Combined Data Processing with GPS Leveling, Astrogravimetric Leveling and Gravimetric Geoid[J]. Geomatics and Information Science of Wuhan University, 1996, 21(4): 330-337.
Citation: Yang Zhanji, Yu Zongchou, Yu Zhenglin, Chen Yongqi. A Study of Combined Data Processing with GPS Leveling, Astrogravimetric Leveling and Gravimetric Geoid[J]. Geomatics and Information Science of Wuhan University, 1996, 21(4): 330-337.
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A Study of Combined Data Processing with GPS Leveling, Astrogravimetric Leveling and Gravimetric Geoid

  • Dept. of Land Surveying and Geo informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

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  • Received Date: May 08, 1996
  • Published Date: April 04, 1996
    Graphical Abstract
    • Abstract
  • According to the situation of geoid stydies in China,this paper presents a theory and method for determination of high accuracy geoid of China by using the three types of data,i.e.GPS leveling,astrogravimetric leveling and gravimetric geoid,after the completion of national B class GPS network.The error propagation rules of the data are analyzed, and the models for combined adjustment are given.Finaly,a computation demonstration is presented using a simulative network.
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