xobh

a simulink(MATLAB) file for decreasing noise....it removes the noise but adds musical noise

本文件是MATLAB编写潮流程序的课件，该课件简单易懂，特别适合电力系统潮流计算初学者自学。(This document is prepared by the trend of the program MATLAB courseware, the courseware easy to understand, especially for power flow calculation for beginners learning.)

说明：  介绍了一种基于Matlab语言的电力系统分析软件包.该软件包可完成潮流计算、连续潮流、小信号稳定分析、动态时域仿真及相量测量单元配置等方面的分析和研究.通过对同一个IEEE14节点系统进行潮流计算,结果表明,该软件包的计算结果正确,且具有一定精度.(Introduces a kind of based on Matlab language of power system analysis software package. This package flow calculation can be completed for small signal stability analysis trend of dynamic simulation and time domain phasor measuring unit configuration, and other aspects of the analysis and research on the same IEEE14 node flow calculation system, and the results show that the calculation results right of the package, and has a certain precision)

这是一个关于MATLAB的很好的学习教程，包括了最基本的语法，怎样编程等很好。(It is a good learning MATLAB-tutorial, including the most basic grammar, how good programming.)

本程序利用奇异值分解对3通道彩色图像进行压缩分解，具体步骤如下： 压缩过程： 1. 选取子图像大小K值，把图像分解成M×M个子图像，IMG(s),s=1,2,…, M2，其中M=N/K，原始图像IMG大小为N×N。 2. 计算这M2个子图像的平均值average，对每幅子图像减去均值图像得到新图像。 3. 计算相关矩阵R，其元素定义为 。 4. 计算R的特征值与特征向量，计算每幅子图像与最大特征向量的内积，便得到编码，即压缩后的图像。 (This procedure using singular value decomposition of 3-channel color image compression decomposition, concrete steps are as follows: compression process: 1. Select the sub-image size K value, the image is decomposed into M × M sub-image, IMG (s), s = 1, 2, ..., M2, in which M = N/K, the original image IMG size N × N. 2. M2 calculate the average of sub-image average, for each sub-image minus the new images mean images. 3. Calculation of correlation matrix R, defined as its elements. 4. Calculation of the characteristics of R value and eigenvector calculated each sub-image with the largest eigenvector of the inner product, they will have to code, that is, the compressed images.)

基于LMS的双向回波削除源码，不过回波幅度不要大于0.2,否则算法认为DOUBLE TALK DETECT。各位可修改此阀值，试试效果(based on the two-way LMS Echo slashing source, but not greater than the rate Echo 0.2, or that the algorithm** DOUBLE TALK. You can modify this threshold, try Effect)

it is .rar file which contains somne source codes..

对刚使用ＭＡＴＬＡＢ新手提供一些指导．包括ＭＡＴＬＡＢ基本操作的很多方面．(Just the use of MATLAB to provide some guidance to novices. MATLAB includes many aspects of basic operations.)

Program to plot CPFSK spectrum with various h(modulation index) and M(modulation order) in MatLab.

Sample Echo Removal Code for Matlab