Experimental analysis on air-to-water sound transmission loss in shallow water

查看全文 作　　者：ZHANG [1,2]Lingshan;PENG [1]Zhaohui;WANG [1]Guangxu;LUO [1]Wenyu

机构地区：[1]State Key Laboratory of Acoustics,Institute of Acoustics,Chinese Academy of Sciences;[2]University of Chinese Academy of Sciences

出　　处：《Chinese Journal of Acoustics》索引2017年第36卷第2期,共14页

基　　金：supported by the National Natural Science Foundation of China(11434012,41561144006);Public Science and Technology Research Funds Projects of Ocean(201405032) 摘　　要：The research of propagation characteristics of air-to-water sound transmission is of great importance to the detection of aerial targets from underwater.In order to study the propagation characteristics of air-to-water sound transmission in shallow water,State Key Laboratory of Acoustics,Institute of Acoustics,conducted an experiment in the South China Sea in March,2013.During the experiment,multi-frequency signals transmitted by a hooter hung on a research ship were received by an underwater hydrophone,and the distance between the hooter and the hydrophone was from 2.4 km to 9.8 km approximately.Through analyzing experimental data in this work,the experimental air-to-water transmission loss at frequencies128 Hz and 256 Hz is estimated up to 9.8 km in range,and its oscillation structure is evident.The wave-number integration approach is used to simulate theoretical air-to-water transmission losses,which are in good agreement with experimental values and to explain the experimental air-to-water sound transmission characteristics. 关键词：Experimental analysis on air-to-water sound transmission loss in shallow water

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Experimental analysis on air-to-water sound transmission loss in shallow water

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