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)
Talent introduction plan for Youth Innovation Team in universities of Shandong Province (navigation)
Article History
Received: 6 December 2021
Accepted: 15 July 2022
First Online: 1 August 2022