EM-algorithm--based-on-density-estimation

本文介绍了变结构控制的原理，并进行了MATLAB仿真(In this paper, introduced the priciple of system of variable structure control program and a MATLAB simulation)

利用双缓冲技术实现使得能用鼠标在桌面上轻松画取圆形，(The use of double-buffering technology makes the mouse can be used to easily draw on the desktop to take round,)

电子通信系统的建模与仿真 第7章 通信系统差错控制仿真 7.1 缩短卷积码 7.2 有缩短卷积码加交织的差错控制系统研究 7.3 自适应均衡系统（LMS算法） 7.4 迭代译码的级联卷积码 (Electronic communications system modeling and simulation of Chapter 7 error control communication systems simulation 7.1 shortened 7.2 convolutional code convolutional code increases have shortened intertwined system of error control 7.3 adaptive equalization system (LMS algorithm) Iterative Decoding of level 7.4 convolutional codes in conjunction)

这是一个关于低密度检验码的很好的matlab程序(This is a low-density test on the code of good Matlab procedures)

基于规则将一张图片中的目标物体使用窗口进行覆盖，窗口之间允许叠加．窗口大小与窗口中心间隔参数可以自定义．(Rules based on the target object in an image using the window cover to allow superposition between windows. Window size and window center of the interval parameters can be customized.)

说明：  Matlab做的关于三角波，正弦波，方波的FFT算法，可以分析方波信号、三角波信号的频谱以及采样点数、采样频率对频谱分辨率的影响。(Matlab to do on the triangle wave, sine wave, square wave of the FFT algorithm, can be analyzed square-wave signal, triangular wave signal of the spectrum as well as the sampling points, the sampling frequency affect the resolution of the spectrum.)

Function to implement Linear Discriminant Analysis Usage:- [Xnew,V,mX,D] = lda(X,index,mX) [V,D] = lda(X,index) where:- X = concatenated grand profile vectors (GPV) i = class index of each vector Xnew = new feature vectors P = eigen vectors mX = mean of GPV (optional in input) D = eigen values

简易的物体识别程序，用matlab编写，注意其原理(detection and recognition)

理解随机信号功率谱分析原理和方法。 (1) 生成信号，被淹没在在噪声中； (2) 试用周期图法估计信号的功率谱； (3) 选用不同窗，使用修正周期图法估计信号的功率谱； (4) 对一段语音信号，使用LD算法估计其功率谱； (5) 详细列出功率谱估计的步骤和原理。 (understanding of random signal power spectrum analysis principles and methods. (1) generate signals being drowned in the noise; (2) The probationary period plan estimates the signal power spectrum; (3), different windows, the use of map amendment cycle method to estimate the power spectrum signal; (4) a voice signal, the use of LD algorithm to estimate the gong spectrum; (5) a detailed breakdown of the power spectrum estimation steps and principle.)

说明：  功能一句话：Design Linear-Phase FIR using Window: rectangular window,Hamming window,Bartlett window。是学习信号处理FIR滤波器设计时很好的代码。(Design Linear-Phase FIR using Window: rectangular window,Hamming window,Bartlett window)