Characteristics of the internal waves and their effects on the sound transmission in the Midst of the Yellow Sea

查看全文 作　　者：YAN Jin;ZHANG Renhe;ZHOU Shihong;SHA Liewei (National Laboratory of Acoustics, Chinese Academy of Sciences Beijing 100080)

出　　处：《Chinese Journal of Acoustics》索引1999年第18卷第1期,共9页

摘　　要：In the late summer of 1996, a combined acoustics and physical oceanography experiment (YS96) was performed in the midst of the Yellow Sea. Here the oceanographic data are analyzed and the internal wave spectrum is constructed. It shows that the internal wavesare dominated by the first modes and the spectral density is approximately proportional to w-s/z. Based on the internal wave spectrum, a model of the induced sound-speed distribution is developed, and computer simulation is conducted for CW signal propagation by using the PE method. Numerical results of the sound intensity fluctuations are preseflted for comparison with the experimental data. 关键词：Yellow SHALLOW ocean acoustics CAMBRIDGE Naval Polar DYNAMICAL PROCEEDINGS PERTURBATIONS

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Characteristics of the internal waves and their effects on the sound transmission in the Midst of the Yellow Sea

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