给出了透射波和衍射波振幅的解析表达式。

The analytical integral solutions for the amplitude the transmissive and diffractive waves are presented.

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用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。

The GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.

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介绍了在常规超声波检测中获取和识别衍射波的方法及其在工作实践中的应用。

This paper introduced the method of getting and identifying diffracted wave in routine ultrasonic testing and its application in the working practice.

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But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?

但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？

麻省理工公开课 - 固态化学导论课程节选