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Applications of Waveguide Invariant Theory to the Analysis of Interference Phenomena in Deep Water

机译:波导不变理论在深水干扰现象分析中的应用

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摘要

The waveguide invariant, denoted asβ,can be used to describe the slope of the intensity of a broadband acoustic signal. In deep water, the interference patterns of the areas with dominant waterborne modes and only with bottom bounce modes are greatly different. This phenomenon is illustrated by simulation and explained by the distribution of β.The theory shows that in the convergence zone,β approaches infinity,which leads to the larger slope of sound intensity;on the contrary,in the shadow zone,β is close to 1, leading to smaller slopes.
机译:表示为β的波导不变式可用于描述宽带声信号强度的斜率。在深水中,水主导模式和仅底部反弹模式的区域的干扰模式有很大不同。理论上表明,在会聚区中,β趋近于无穷大,从而导致声音强度的斜率增大;相反,在阴影区中,β接近于1,导致较小的斜坡。

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  • 来源
    《中国物理快报:英文版》 |2011年第3期|114-116|共3页
  • 作者单位

    State Key Laboratory of Aoustics,Institute of Acoustics ,Chinese Academy of Sciences ,Beijing,100190;

    Haikou Laboratory,Institute of Acoustics, Chinese Academy of Sciences,Haikou,570105;

    Graduate University of Chinese Academy of Sciences, Beijing,100190;

    State Key Laboratory of Aoustics,Institute of Acoustics ,Chinese Academy of Sciences ,Beijing,100190;

    Haikou Laboratory,Institute of Acoustics, Chinese Academy of Sciences,Haikou,570105;

    State Key Laboratory of Aoustics,Institute of Acoustics ,Chinese Academy of Sciences ,Beijing,100190;

  • 收录信息 中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
  • 原文格式 PDF
  • 正文语种 chi
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