用于信号特征提取、信号消噪，单径或多径瑞利衰落信道仿真，到达过程是的泊松过程，用于建立主成分分析模型，进行逐步线性回归，毕业设计有用，添加噪声处理，包括脚本文件和函数文件形式。- For feature extraction, signal de-noising, Single path or multipath Rayleigh fading channel simulation, Arrival process is a Poisson process, Principal component analysis model for establishing, Stepwise linear regression, Graduation useful Add noise processing, Including scr ipt files and function files in the form.