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GNSS World of China

Volume 45 Issue 1
Feb.  2020
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XIE Mingde. Accuracy analysis of BDS-3 triple-frequency precise point positioning[J]. GNSS World of China, 2020, 45(1): 71-76. DOI: DOI:10.13442/j.gnss.1008-9268.2020.01.012
Citation: XIE Mingde. Accuracy analysis of BDS-3 triple-frequency precise point positioning[J]. GNSS World of China, 2020, 45(1): 71-76. DOI: DOI:10.13442/j.gnss.1008-9268.2020.01.012
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Accuracy analysis of BDS-3 triple-frequency precise point positioning

  • The Fourth Institute of Geology and Mineral Exploration, Gansu Provincial Bureau of  Geology and Mineral Exploration and Development, Jiuquan 735000,China

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  • China BeiDou navigation system is in the final stage of BDS-3 construction, and its positioning accuracy has been a hot topic at home and abroad. Based on the measured data of IGS continuous tracking station, this paper expounds the Beidou triple-frequency precise point positioning model, and compares and analyzes the observation data quality of BDS-2 and BDS-3 and the positioning precision. The research found that the data quality of BDS-3 is better, compared with BDS-2. The accuracy of precise point positioning using BDS-3 satellite is slightly worse than that of BDS-2, and the convergence time is slightly slower. Combined BDS-2 and BDS-3, the precision and the convergence time of the precise point positioning is greatly improved compared with the PPP result of BDS-2 only.
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