分析了探头调整时脉冲回波信号的变化特点，在实验的基础上构建了声束入射角与表面波时域特征值间的关系模型。
Using the characteristics of pulse echo singal during the probe adjustment, a relation model between angle of incidence and time-domain eigenvalue of reflect wave signals was proposed.
推导了具有工程背景的弱正交异性材料的超声波斜入射应力-声关系。
The stress acoustic relationship for off axis ultrasonic wave is derived in slightly orthotropic material.
通过对声波入射的分析，同时结合流固耦合条件，建立出双层隔声窗传声损失的数学模型，该模型能够同时包括隔声窗的优化设计参数。
Based on the analysis of sound incidence and fluid-structure Coupled condition, a mathematic model of double-proof window is established, and this model involves the design parameters.
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