Analysis of GPS and BeiDou positioning performance in polar regions and extraction of gravity anomalies using BDS observation data
Junda Chen, Zhiming Xiong, Juliang Cao, Shaokun Cai, Yan Guo, Wenkai Xiang
Journal of Systems Engineering and Electronics . 2026, (4): 1374 -1382 .  DOI: 10.23919/JSEE.2026.000011