包含两个文件，一个是菲涅尔衍射子函数。另一个为生成一个光栅，通过菲涅尔衍射计算其泰伯距离处的像，观察泰伯效应-Contains two files, one is the Fresnel diffraction Functions. Another to generate a grating, which is calculated as the Talbot distance by Fresnel diffraction effects outlook 察泰伯