1. College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao, China
2. National Subsea Centre, Robert Gordon University, Aberdeen, U.K.
3. School of Engineering and Information Technology, University of New South Wales at Canberra, Canberra, ACT, Australia
4. School of Control Science and Engineering, Shandong University, Jinan, China
5. Satellite Environment Center, Ministry of Environmental Protection of China, Beijing, China