ZHENG Shuang, WANG Shijie. Analysis of relative positioning accuracy of BDS-3 short baseline[J]. GNSS World of China, 2020, 45(1): 61-65. DOI: DOI:10.13442/j.gnss.1008-9268.2020.01.010
Citation: ZHENG Shuang, WANG Shijie. Analysis of relative positioning accuracy of BDS-3 short baseline[J]. GNSS World of China, 2020, 45(1): 61-65. DOI: DOI:10.13442/j.gnss.1008-9268.2020.01.010

Analysis of relative positioning accuracy of BDS-3 short baseline

  • With the continuous development of China BeiDou Navigation Satellite System(BDS), it has entered the third stage of construction, and its positioning accuracy has always been a hot topic of global concern. Based on the multi-mode GNSS data of the IGS continuous tracking station on the 227th day of 2018, this paper dynamically processes the short baseline, analyzes the relative positioning accuracy of the BDS-3 system, and analyzes the relative positioning accuracy of the BDS-2. The results show that the relative positioning accuracy of the short-baseline of BDS-3 is better than 3 cm in the E direction, the N direction is better than 3.5 cm, and the U direction is better than 10 cm. The accuracy in the three directions is slightly higher than the short positioning accuracy of the BDS-2 short baseline.
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