The principle of measuring the self-height of cylindrical hole defect by ultrasonic tip diffraction technique was analyzed based on the characteristics of reflected and diffracted waves.
根据柱孔缺陷的端点反射波和衍射波的特点，分析了用端点衍射法测定柱孔类缺陷自身高度的原理。
A method calculating alignment degree has been gained, the results achieved by which agrees with the alignment reflected by X-ray diffraction patterns.
得出了一种取向度计算方法，该方法得出的取向度值与X射线衍射谱所反映的取向情况比较相符。
According to the theory of diffraction, the intensity distribution of laser reflected from infrared system is analyzed.
根据衍射光学理论分析了红外系统后向反射光强的分布。
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