BeiDou Satellites Multi-GNSS Precise Orbit Determination with Ambiguity Fixed
FANG Yanan, XIN Jingmin, ZENG Guang, WANG Jiasong, LI Jie
Acta Geodaetica et Cartographica Sinica . 2018, (3): 341 -347 .  DOI: 10.11947/j.AGCS.2018.20170378