Volume 36 Issue 1
Jan.  2016
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ZHAO Yanzhen. Positioning of high Earth orbit satellite using GPS/Beidou combined system[J]. Journal of Space Science, 2016, 36(1): 77-82. doi: 10.11728/cjss2016.01.077
Citation: ZHAO Yanzhen. Positioning of high Earth orbit satellite using GPS/Beidou combined system[J]. Journal of Space Science, 2016, 36(1): 77-82. doi: 10.11728/cjss2016.01.077

Positioning of high Earth orbit satellite using GPS/Beidou combined system

doi: 10.11728/cjss2016.01.077
  • Received Date: 2015-01-07
  • Rev Recd Date: 2015-09-04
  • Publish Date: 2016-01-15
  • The characteristics of current high orbit GPS (Global Positioning System) signal are of poor availability and low positioning accuracy. Positioning of high Earth orbit satellites using GPS/Beidou combined system is studied. The visibility of navigation satellites and the Geometric Dilution of Precision (GDOP) are analyzed. Through simulation and analyzing, it is verified that the GPS/Beidou combined system has better performance than that of single GPS system. On one hand, the GPS/Beidou combined system can receive more satellites' signal than single GPS system. On the other hand, GDOP of the GPS/Beidou combined system is smaller than that of single GPS system. At the same time, the use of high-precision atomic clock in the satellite receiver can realize positioning of three satellites, and reduce the technology requirements of receiver.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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