Funding for this research was provided by:
National key Research Program of China “Collaborative Precision Positioning Project” (2016YFB0501900)
China Natural Science Funds (41231064)
China Natural Science Funds (41674022)
China Natural Science Funds (41704038)
China Natural Science Funds (41574033)
China Natural Science Funds (41621091)
State Key Laboratory of Geodesy and Earth’s Dynamics (SKLGED2017-3-1-EZ)
Article History
Received: 29 August 2017
Accepted: 21 March 2018
First Online: 27 March 2018