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1·Be based on measuring wire tiny diameter with laser diffraction, a method of hardware equidistance subdivision for dark string spans of diffraction fringe is presented.

在激光衍射法测量微细线径的基础上，提出用硬件插值细分的方法来确定衍射图样暗纹间距。

2·The hybrid method is used to calculate nonuniform currents and fringe diffraction wave of objects.

本文利用混合法计算了目标表面的非均匀电流和边缘绕射场。

3·The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.

本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比，分析衍射条纹的位置更要快捷，明了。