National Natural Science Foundation of China(Nos.42004018,41830110);Natural Science Foundation of Jiangsu Province(No.BK20190496);Fundamental Research Funds for the Central Universities(No.B200202015)。
The Global Navigation Satellite Systems(GNSS)broadcast radio signals are continuously at two or more frequencies in the L-band,and the multipath signals from sea surface recorded by off-the-shelf geodetic receivers ha...