中文说明：FIR 底通和带通滤波器和IIR 底通和带通滤波器，包括数据分析、绘图等等,各种kalman滤波器的设计，包括AHP，因子分析，回归分析，聚类分析，借鉴了主成分分析算法（PCA），主要是基于mtlab的程序。
English Description：
Fir at the end of pass and bandpass filters and IIR bottom pass and band-pass filter, including data analysis, drawing and a variety of Kalman filter design, including AHP, factor analysis, regression analysis, cluster analysis, using principal component analysis (PCA) algorithm is mainly based on MTLAB procedures.