rddata

分别用非参数化谱估计中的直接法，间接法和加窗法对离散随机过程的已零均值化的N个数据样本估计了离散信号的谱密度。(Were non-parametric spectral estimation of the direct method, indirect method and windowing method, discrete stochastic process has zero mean the data of the N-sample estimates of the spectral density of discrete signals.)

该算法完整地描述了小波神经网络对交通流预测的过程(The algorithm is a complete description of wavelet neural network in forecasting of traffic flow process)

说明：  《MATLAB 7.0从入门到精通》一书的配套程序——第4章的程序。(&quot MATLAB 7.0 from the entry to the master,&quot a book supporting the program- Chapter 4 of the program.)

一个桁架结构的动力学响应和主动控制程序，优化算法采用了粒子群方法。仅供参考。(this dissertation discusses the dynamical response and contrlol design of a flexible trussed structure the optimal position of actuator is studied by using the particle swarm optimizer as optimization algorithm.)

filter bank for face recognition

产生随机变量，服从generalized高斯分布的随机变量的代码(GGD)

求信噪比的MATLAB源代码，用于通信系统学习(the matlab code for work out the SNR，for communication study)

DFT和FFT的matlab实现及算法差异的证明，如复杂度等。（精度、不同长度的序列等）。(DFT and FFT algorithm matlab realize the difference and proved as complex and so on. (Accuracy, sequences of different lengths, etc.).)

程序利用小波分解将声音信号分解为高频与低频部分，而后利用软阈值方法确定高频与低频各自的小波重构系数，将高频与低频部分重构还原信号达到降噪的目的。(Program using wavelet decomposition sound signal into high and low parts, then use soft threshold method to determine the high and low frequency coefficients of each wavelet reconstruction, reconstruction of the high and low frequency part of the purpose of noise reduction signal reaches.)

基础BPSO的matlab程序,可用于学习使用(Matlab program of basic BPSO)