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Volume 24 Issue 5
May  1998
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Journal of Beijing University of Aeronautics and Astronautics  > 1998  >  24(5): 510-513.
Chang Qing, Liu Zhongkan, Zhang Qishanet al. Study of the Alogorithm for GPS Positioning and Velocity Measurement[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(5): 510-513. (in Chinese)
Citation: Chang Qing, Liu Zhongkan, Zhang Qishanet al. Study of the Alogorithm for GPS Positioning and Velocity Measurement[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(5): 510-513. (in Chinese)
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Study of the Alogorithm for GPS Positioning and Velocity Measurement

  • Beijing University of Aeronautics and Astronautics,Dept. of Electronic Engineering

  • Received Date: 28 May 1997
  • Publish Date: 31 May 1998
    Abstract
  • The mathematical models of GPS positioning and velocity measurement are given.Then the iterative algorithm for GPS positioning and velocity measurement under normal condition is discussed based on Gauss-Newton method and the solution under the condition that there are only three visible satellites of GDOP is too large is given.Finally,a complete iteration algorithm for GPS positioning and velocity measurement is obtained.This algorithm consists of two parts.In first part,the positioning solution is obtained iteratively and the satellite signal propagation time is renewed as the positioning solution is renewed in each iteration.In second part,the velocity is obtained by using the satellite signal propagation time and the normal matrix obtained in last iteration in the first part.

     

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  • 1. Fletcher R.实用最优化方法天津:天津科技翻译出版公司,1990 2. 刘基余,李征航,王跃虎,等全球定位系统原理及其应用北京:测绘出版社,1993 3. 周忠漠,易军杰GPS卫星测量原理与应用北京:测绘出版社,1992 4. 言 中,丁子明卫星无线电导航北京:国防工业出版社,1989 5. Dailey D J,Bell B M.A method for GPS positioning.IEEE Transactions on Aerospace and Electronic System,1996,32(3):1148~1152
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