预报误差法参数辨识-松弛的思想，最大信噪比的独立分量分析算法，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- Prediction Error Method for Parameter Identification- the idea of relaxation, SNR largest independent component analysis algorithm, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter.