中文说明：仿真效率很高的，进行逐步线性回归，用MATLAB实现的压缩传感，鲁棒性好，性能优越，LDPC码的完整的编译码，添加噪声处理。
English Description：
The simulation of high efficiency, stepwise linear regression, using MATLAB to achieve compression sensing, good robustness, excellent performance, complete encoding and decoding LDPC codes, add noise processing.