【摘要】 根据声-超声的发射、传播和接收模式,利用几何声学法对板中传播的超声波信号进行分析,实验证明了该方法的科学性及其在板的超声检测中的作用。更多还原

【Abstract】 The transmission of ultrasonic waves in plates was analyzed by geometrical acoustic theory based on acousto-ultrasonic (AU) technique. Experiments showed that the method was effective and the results were in good agreement with the theory.更多还原