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对音频信号进行处理，以采样频率为22050进行采样，并分别画出其自相关函数曲线.(Handle audio files, to 22050 sampling frequency for sampling respectively, and draw the autocorrelation function curve. )

信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、FIR和Lattice结构；IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计，以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等；FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计；平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计；非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布；非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计，以及双谱估计的应用；信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。(signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non- parametric model b)

通过输入相关参数，实现三阶累积量的求法。从而避免复杂的计算过程。(By input parameters, the third order cumulant method. To avoid complex calculation process. )

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说明：  非常实用的小波网络与遗传算法结合源程序,很简练(A source code of GA wavelet neural network )

有关血压算法的算法实现，分别用C语言和Matlab语言(you guan xueya suanfa de suanfa shixian ,fen bie yong C and Matlab)

based on fast decoupled method on load flow program that can help you better electrical system optimization, the use of standard MATLAB

Auto-correlation codes for understanding the concept of statistical analysis of any function

prediction - neural network code

Script for BER curves for Self cancellation in OFDM systems