supported by the National Natural Science Foundation of China(No.61901403);the Science and Technology Key Project of Fujian Province,China(Nos.2021HZ021004 and 2019HZ020009);the Open Research Fund of National Mobile Communications Research Laboratory,Southeast University(No.2023D10);the Youth Innovation Fund of Natural Science Foundation of Xiamen(No.3502Z20206039);the Science and Technology Key Project of Xiamen(No.3502Z20221027);the Xiamen Special Fund for Marine and Fishery Development(No.21CZB011HJ02).
It has always been difficult to achieve accurate information of the channel for underwater acoustic communications because of the severe underwater propagation conditions,including frequency-selective property,high re...