中文说明：FIR 底通和带通滤波器和IIR 底通和带通滤波器，对信号进行频谱分析及滤波，PLS部分最小二乘工具箱,是信号处理的基础，包括主成分分析、因子分析、贝叶斯分析，用MATLAB实现的压缩传感。
English Description：
The bottom of the fir pass and band-pass filter and IIR bottom pass and band-pass filter, the signal spectrum analysis and filtering, pls pls toolbox is based signal processing, including principal component analysis, factor analysis, Bayesian analysis, using MATLAB to achieve the compressed sensing.