中文说明：本matlab源码涉及的是光学模拟，是菲涅尔透镜成像，包含两个文件，理论上包含光学的角谱理论，傅里叶变换光学理论，能成功运行，是进行光学角谱分析和模拟的理想学习代码。
English Description：
This matlab source code is related to optical simulation, Fresnel lens imaging, including two files, theoretically including optical angular spectrum theory, Fourier transform optical theory, can run successfully, is an ideal learning code for optical angular spectrum analysis and simulation.