多系统GNSS非差非组合精密单点定位相关理论和方法研究
周锋
Theory and methodology of multi-GNSS undifferenced and uncombined precise point positioning
ZHOU Feng
测绘学报 . 2020, (7): 938 -938 .  DOI: 10.11947/j.AGCS.2020.20190396