... acoustic impedance 声阻抗 acoustic interface 声波界面 acoustic velocity logging 声速测井 ...
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Negative coefficients occur where there is a decrease in acoustic impedance across the reflecting interface.
当反射界面上下两侧的声波组抗降低时，反射系数就会出现负值。
An interface between layers of contrasting acoustic, optical or electromagnetic properties.
具有不同的声学、光学或电磁学特征的层之间的界面。
For scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.
分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。
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