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Volume 41 Issue 1
Jan.  2015
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(1): 174-180.
SUN Fulong, ZHAO Gang, WANG Wei, et al. Analysis method of iGPS measurement uncertainty spatial distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 174-180. doi: 10.13700/j.bh.1001-5965.2014.0044(in Chinese)
Citation: SUN Fulong, ZHAO Gang, WANG Wei, et al. Analysis method of iGPS measurement uncertainty spatial distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 174-180. doi: 10.13700/j.bh.1001-5965.2014.0044(in Chinese)
shu

Analysis method of iGPS measurement uncertainty spatial distribution

doi: 10.13700/j.bh.1001-5965.2014.0044
  • 1.

    School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • 2. Shanghai Aircraft Manufacturing Co. Ltd, Shanghai 200436, China

  • Received Date: 23 Jan 2014
  • Publish Date: 20 Jan 2015
    Abstract
  • The spatial distribution of iGPS measurement uncertainty was studied to help rapid assessment and layout optimization of iGPS measurement. According to the measurement model of iGPS, a typical two-station model of measurement uncertainty was established. Furthermore, a universal analysis method of iGPS measurement uncertainty distribution was proposed and modified in accordance with transmitter coverage. This method is applicable to diverse iGPS measurement environment with an arbitrary number of the transmitters in different layouts, and can be used to calculate the measurement uncertainty at any spatial point. Real measurement environment with two stations and four stations were established respectively. The distribution of actual measured deviations corresponded to the numerical simulation results. This analysis method was proved effective to describe the measurement uncertainty distribution pattern of iGPS.

     

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