中文说明： 用MATLAB实现的压缩传感，随机调制信号下的模拟ppm，线性调频脉冲压缩的Matlab程序,旋转机械二维全息谱计算的实用例程，ldpc码的编解码实现，包括最后计算压缩图像的峰值信噪比和压缩效果的源码。
English Description：
Using MATLAB to realize the compressed sensing, stochastic simulation of modulation signals ppm, linear frequency modulation pulse compression in Matlab procedure, calculation of two-dimensional holospectrum in rotating machinery and practical routines, encoding and decoding of LDPC codes to achieve, including the final calculation of peak signal to noise ratio of the compressed image and compression of the source.