Analysis of the effect of antenna phase center correction on the precise positioning of BDS second-generation satellite

doi:10.13474/j.cnki.11-2246.2020.0321

Abstract

Abstract: Accurate correction of the deviation of PCO/ PCV for the satellite end is an important prerequisite to realize the precise point positioning (PPP). In this paper, the evaluation of the BDS-Ⅱ PPP accuracy is conducted based on different PCO/ PCV correction value and precise orbit and clock of different IGS analysis center. In the process of evaluation, 15 MGEX stations are selected, and four sets of schemes are designed to deal with static PPP and dynamic PPP respectively. The results show that: ①the maximum error caused by the PCV in the line of sight for three different types of BDS satellite can reach 10 cm, which must be corrected. ②when the precision product and PCO/PCV correction value of the same analysis center are used, the coordinate residual error is small, the convergence speed is faster, and the convergent N, E, U is higher in three directions. ③When the precise orbit and the clock difference of the ESA are used for PPP solving, the dynamic positioning residual RMS on the whole is the lowest, and the dynamic positioning effect is preferable, and the rate of improvement in the E, N, U direction is about 31%, 20% and 9% relative to the use of IGS-based PCO/ PCV. This paper has certain reference value for the parameter model selection of high precision dynamic and static navigation and positioning.

Key words: PCD/PCV, BDS satellite, dynamic positioning, static positioning, precise point positioning

CLC Number:

P228

WANG Na, DUAN Longfei, XU Weidong, WANG Zhiyi. Analysis of the effect of antenna phase center correction on the precise positioning of BDS second-generation satellite[J]. Bulletin of Surveying and Mapping, 2020, 0(10): 68-73.

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