Based on wave propagation theory, the paper describes briefly basic principle of several acoustic propagation models, and discusses detailedly foundation of coupled normalmode.
在波动传播理论的基础上,简要介绍了几种主要声传播模型的基本原理,并着重对简正波模型进行了研究。
2
The relation equations between NormalModepropagation travel-time and sound-speed fluctuation are used to explain the qualitatively relationship between two spectra.