lizisuanfa

％ EM algorithm for k multidimensional Gaussian mixture estimation ％ ％ Inputs: ％ X(n,d) - input data, n=number of observations, d=dimension of variable ％ k - maximum number of Gaussian components allowed ％ ltol - percentage of the log likelihood difference between 2 iterations ([] for none) ％ maxiter - maximum number of iteration allowed ([] for none) ％ pflag - 1 for plotting GM for 1D or 2D cases only, 0 otherwise ([] for none) ％ Init - structure of initial W, M, V: Init.W, Init.M, Init.V ([] for none) ％ ％ Ouputs: ％ W(1,k) - estimated weights of GM ％ M(d,k) - estimated mean vectors of GM ％ V(d,d,k) - estimated covariance matrices of GM ％ L - log likelihood of estimates ％( EM algorithm for k multidimensional Gaussian mixture estimation Inputs: X (n, d)- input data, n = number of observations, d = dimension of variable k- maximum number of Gaussian components allowed ltol- percentage of the log likelihood difference between 2 iterations ([] for none) maxiter- maximum number of iteration allowed ([] for none) pflag- 1 for plotting GM for 1D or 2D cases only, 0 otherwise ([] for none) Init- structure of initial W, M, V: Init.W, Init.M, Init.V ([] for none) Ouputs: W (1, k)- estimated weights of GM M (d, k)- estimated mean vectors of GM V (d, d, k)- estimated covariance matrices of GM L- log likelihood of estimates)

说明：  米特拉的数字信号处理代码，包括fir,iir等滤波器设计文件 (Mitra digital signal processing code)

Extremely fast and lightweight WBXML parser, implementing only the subset of WBXML that EAS uses (as defined in the EAS specification).

单向晶闸管整流电路仿真模型，可参见电力电子教材(Unidirectional thyristor rectifier circuit simulation model can be found in power electronics textbooks)

it use to extract thre feature of ecg signal using pca

说明：  功率谱估计算法，很有效经典。非参数谱估计，APES算法，振幅与相位估计(Power spectrum estimation algorithm, very effective classic)

matlab中cputime函数与进度条联合使用示例(matlab in cputime function used in conjunction with the progress bar example)

本matlab编程小例子是用于找油气的物探领域中的信号频谱分析，实用性强，资料最后附有可供学习的网站，希望本资料有用。(This is a small example of matlab programming used to find oil and gas geophysical field in the signal spectrum analysis, practical, with final data for learning website and hope this information useful.)

说明：  MDL源数估计，依照原理亲编亲测。 。。。。。。。。 。。。。。。。(Estimation of the number of signal sources)

This sample code is to generate random number in C#