该文件包含了压缩感知理论基础教程及教程实践举例的程序实现源码。该教程从基础的抽样定理开始，傅里叶变换 小波变换等用于压缩的教程，最后，引入压缩感知理论，该方法的基础及优点 实现。-This file contains the program source compression perception theory based tutorial and tutorial practice example. The tutorial is to start from the basis of the

程序专注实现了抽样定理的仿真，有助于理解空域和频域在信息光学中的概念-Program focused on realize the simulation of the sampling theorem

抽样定理的实验体会,快速Fourier变换(FFT)及其应用等等的作业源码(Sampling theorem of the experimental experience, fast Fourier transform (FFT) and its application source code, and so on homework)

通过计算机仿真掌握二维抽样定理，包括带限函数的定义、连续函数的离散化。