菲涅尔全息图的产生和再现,读取图形，菲涅尔衍射，球形波参考光-Fresnel hologram for generating and reproducing

基于菲涅尔域的双随机相位编码图像加密方案，利用角谱传播法实现-Based on double random phase encoding Fresnel domain image encryption scheme to achieve the use of angular spectrum propagation method

matlab程序，生成一个矩形孔，通过菲涅尔衍射积分计算其在全息面的衍射场-matlab program that generates a rectangular hole, calculate the diffracted field in holographic Fresnel diffraction integral by