shallow water propagation

In shallow water, conventional sonar performance deteriorates due to time delay spread and Doppler shift of acoustic wave propagation in waveguide environment.

在浅海波导环境中，因声波传播存在严重的时延扩展和多普勒频偏，常规声纳的性能下降，需要研究和发展新的水声信号处理方法。

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The researching achievement is significant to the research of acoustic propagation and acoustic flied prediction in shallow water.

研究成果对浅海声传播和浅海声场预报研究有一定的参考意义。

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