Satellite Availability Evaluation on a Global Scale for BDS Stand-alone System and Multi-GNSS System
WU Youlong, YANG Zhong, CHEN Weina, YAO Wenjin, CHEN Chuang, CHEN Shuai
JPRMG . 2021, (1): 18 -23 .  DOI: 10.15892/j.cnki.djzdxb.2021.01.004