中文说明：分析了该信号的时域、频域、倒谱，循环谱等,这是一个好用的频偏估计算法的matlab仿真程序,FIR 底通和带通滤波器和IIR 底通和带通滤波器，内含心电信号数据及运用MATLAB写的源代码，人脸识别中的光照处理方法，多元数据分析的主分量分析投影。
English Description：
Analysis has the signal of Shi domain, and frequency domain, and pour spectrum, cycle spectrum,, this is a easy of frequency partial estimated algorithm of MATLAB simulation program, FIR end of pass and with pass filter and IIR end of pass and with pass filter, contains heart signals data and the using MATLAB wrote of source code, people face recognition in the of light processing method, multiple data analysis of main component analysis projection.