几种莫尔等高法的付里叶描述

Fourier Description of Several Moire Contour Methods

本文用频谱分析的观点对叠加莫尔，付里叶变换莫尔，扫描莫尔及相移扫描莫尔的方法进行了分析，提出了这几种莫尔等高方法的付里叶描述。文中讨论了这几种方法在频域中的联系，从频域上看这些方法的本质特征是：使携带莫尔信息的基频移中而获得莫尔条纹。

This paper analyzed the method of superimposing Moire,Fourier transform Moire,scanning Moire and phase shifted scanning Moire in terms of frequency spectrum.Fourier description of several Moire contoure methods is presented .The relation of these method in frequency domain is dicussed.The essential characterstic of these methods is that fundamental frequency which carries Moire information is shifted to the oringin in order to obtain Moire fringe.