1. State Key Laboratory of Geodesy and Earth’s Dynamics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
2. College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao, China
3. Key Laboratory of Spatial Data Mining and Information Sharing, Ministry of Education, Fuzhou University, Fuzhou, China
4. School of Geomatics, Anhui University of Science and Technology, Huainan, China