A Calibration Method of GLONASS Inter-Channel Bias for GLONASS/BDS RTK Based on Short Baseline
Abstract Due to the presence of inter-channel bias, users of heterogeneous BDS and GLONASS receiver pairs in differential positioning mode will experience ambiguity fixing challenges. In order to improve the success rate of ambiguity resolution, the bias needs to be corrected. This paper proposes an effective algorithm that can estimate carrier phase and code inter-channel biases by a zero baseline. Then, both GLONASS carrier phase and code observations are corrected accordingly in short baseline RTK positioning. The results show that the success rate of ambiguity resolution can be improved significantly.
Key words :
GLONASS/BDS
RTK
inter-channel bias of receiver
ambiguity resolution
Cite this article:
XIE Jiantao,HAO Jinming,TIAN Yingguo et al. A Calibration Method of GLONASS Inter-Channel Bias for GLONASS/BDS RTK Based on Short Baseline
[J]. jgg, 2017, 37(1): 44-47.
XIE Jiantao,HAO Jinming,TIAN Yingguo et al. A Calibration Method of GLONASS Inter-Channel Bias for GLONASS/BDS RTK Based on Short Baseline
[J]. jgg, 2017, 37(1): 44-47.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2017/V37/I1/44
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