The long-range sound propagation from a deep ocean to a receiving system located on the shelf is modeled. The waveguide model is constructed on the basis of the data of an acoustic-oceanographic experiment carried out in the northwestern Pacific. The sensitivity and the frequency dependence of the difference in the sound field levels at the crossing of the frontal zone on the geoacoustic characteristics of the bottom of the shelf and the continental slope are investigated. It is shown that the level difference decreases by 8.2 dB as the velocity of longitudinal waves increases by 100 m/s in the range within 1490-1820 m/s.
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机译：模拟了从深海到位于架子上的接收系统的远程声音传播。波导模型是根据在西北太平洋进行的声学海洋学实验的数据构建的。研究了额区交叉处声场水平差异对架子底部和大陆坡地缘声学特征的敏感性和频率依赖性。结果表明，当纵向波的速度在1490-1820 m / s范围内增加100 m / s时，电平差减小8.2 dB。
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