The Underwater Precise Positioning Strategy of the combined GNSS and acoustic technology


Yanxiong Liu1, Guanxu Chen2, Yang Liu1 and Weihong Zhang3, (1)First Institute of Oceanography, State Oceanic Administration, Qingdao, China, (2)Wuhan University, School of Geodesy and Geomatics, Wuhan, China, (3)the First Institute Oceanography, State Ocean Administration, Qingdao, China