Sonar image de-noising based on the HMT model in the contourlet domain
XIA Ping;LIU Xiaomei;WU Tao;LEI Bangjun;Hubei Key Laboratory of Intelligent Vision Based Monitoring for Hydroelectric Engineering;Three Gorges University;College of Computer and Information Technology;Three Gorges University;
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The research of the under-ice acoustic experiment technology
YIN Jingwei;DU Pengyu;ZHU Guangping;ZHANG Minghui;HAN Xiao;ZHANG Xiao;SUN Hui;SHENG Xueli;Acoustic Science and Technology Laboratory;Harbin Engineering University;College of Underwater Acoustic Engineering;Harbin Engineering University;