Impact of Yaw Attitude of BDS-3 MEOs on PPP Performance
Abstract We systematically compare the differences between the modeled attitude and nominal attitude derived by the published yaw attitude models for BDS-3 SECM and CAST MEOs during deep eclipse seasons, and evaluate its influence on the calculation of antenna phase wind-up and phase center offsets(PCO) and PPP performance for the first time. The research shows that, for BDS-3 MEOs during maneuvers, adopting nominal attitude will cause the PCO correction errors for CAST and SECM satellites to reach 0.2 m and 0.02 m, respectively, and the wind-up correction errors to reach 0.1-0.2 cycles. Due to the shorter duration of satellite maneuvers and stronger geometric strength, compared with the modeled attitude, the use of the nominal attitude will not cause a significant drop in the PPP results.
Key words :
yaw attitude
BDS-3
MEO satellites
precise point positioning
Cite this article:
LONG Hai,YE Shirong,XIA Fengyu et al. Impact of Yaw Attitude of BDS-3 MEOs on PPP Performance[J]. jgg, 2022, 42(10): 1000-1004.
LONG Hai,YE Shirong,XIA Fengyu et al. Impact of Yaw Attitude of BDS-3 MEOs on PPP Performance[J]. jgg, 2022, 42(10): 1000-1004.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2022/V42/I10/1000
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