北斗混合星座分层约束下的精密定轨方法
房亚男, 朱俊, 李杰, 王冲, 王家松, 张少愚
Precise orbit determination method for BeiDou mixed constellations with layered constraints
FANG Yanan, ZHU Jun, LI Jie, WANG Chong, WANG Jiasong, ZHANG Shaoyu
测绘学报 . 2021, (4): 466 -474 .  DOI: 10.11947/j.AGCS.2021.20200406