ray acoustics

In use of ray acoustics and recursion relation, the sound reflection coefficients of arbitrarily many plates have been derived.

应用声线方法和递推关系导出任意多层平板的反射系数。忽略耦合水层两边的多次反射后，得到一组适合于瞬态和亮点分析的反射系数近似公式。

estimation of boundary parameters and prediction of transmission loss based upon ray acoustics

界面参数估计及传播损失的射线声学预报

Application Research of Ray Acoustics in Convergence Zone Survey

射线声学法在会聚区调查中的应用研究

the above phenomenon is shown clearly in both snapshot visualization and in slowness calculations with synthetic waveforms, and is well explained with the ray acoustics.

上述结论在本文中用声场快照和利用合成接收波列的慢度计算得以清楚显示，并且用射线声学理论验证。

a method basing on ray acoustics to predict the distribution of convergence zone is given, which could increase efficiency greatly, reduce survey cost and guarantee the quality of survey data.

针对深海会聚区调查，提出了一种利用射线声学法对会聚区进行预估，从而大大提高了工作效率，降低了调查成本，保证了调查数据的质量。

According to the theory of wave acoustics and ray acoustics, train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.

根据波动声学和几何声学原理，将列车看作一运动着的有限长线声源，建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。