借鉴了主成分分析算法（PCA），结合PCA的尺度不变特征变换(SIFT)算法，线性调频脉冲压缩的Matlab程序,多元数据分析的主分量分析投影，模拟数据分析处理的过程，处理信号的时频分析，预报误差法参数辨识-松弛的思想，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- It draws on principal component analysis algorithm (PCA), Combined with PCA scale invariant feature transform (SIFT) algorithm, LFM pulse compression of the Matlab program, Principal component analysis of multivariate data analysis projection, Analog data analysis processing, When processing a signal frequency analysis, Prediction Error Method for Parameter Identification- the idea of relaxation, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.