Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2020QD047)
the Applied Basic Research Project of Qingdao (18-2-2-42-jch)
Talent introduction plan for Youth Innovation Team in universities of Shandong Province (innovation team of satellite positioning, navigation)
Article History
Received: 6 December 2021
Accepted: 15 July 2022
First Online: 1 August 2022