中文说明：预报误差法参数辨识-松弛的思想，对信号进行频谱分析及滤波，现代信号处理中谱估计在matlab中的使用，基于人工神经网络的常用数字信号调制，包含优化类的几个简单示例程序，基于kaiser窗的双谱线插值FFT谐波分析。
English Description：
Prediction error method for parameter identification - relaxation of thought, the signal of frequency spectrum analysis and filtering, the modern signal processing in spectrum estimation in MATLAB, the commonly used digital signal modulation based on artificial neural network, including optimization of several simple example program, based on Kaiser window double spectrum line interpolation FFT algorithm for harmonic analysis.