programs

用matlab实现读入图像，并显示图像，及存取图像中的任意像素值(Read into the image using matlab implementation, and display images, and access any pixel in the image)

基于matlab/simulink搭建的三电平逆变器仿真模型，控制算法为电压空间矢量控制（SVPWM），算法部分使用m语言编写，带有简单注释，配合算法说明，应该比较好懂。模型带中点电压平衡处理，但是效果一般，大家可以在此模型基础上修改。欢迎交流讨论。(Three-level inverter simulation model matlab/simulink structures based control algorithms for the voltage space vector control (SVPWM), part of the algorithm using the m language, with a simple comment, with the algorithm description, it should be relatively easy to understand. Models with the midpoint voltage balanced, but the general effect, you can modify the model basis. Welcome exchanges and discussions.)

已知两个序列x[n]=cos(n*pi/2), y[n]=ej*pi*n/4x[n],绘制X(ejw)和Y(ejw)和幅度和相角,说明它们的频移关系(The known two sequence x [n] = cos (n* PI/2), y [n] = ej* PI* n/4 x [n], draw x (ejw) and y (ejw) and amplitude and phase Angle, suggesting their frequency shift relationship )

数模源程序，港口模拟源程序，正在学数模的可以下载，到时直接应用，或者借鉴。。。(Digital-analog source, port analog source, is learning digital-analog can be downloaded, when applied directly, or draw. . .)

matlab教材中经典的语音增强算法，voice enhancement 先读入语音文件，然后计算前后信噪比，最后画出波形。(The classic textbook matlab speech enhancement algorithms, voice enhancement before reading the speech file, and then calculate the signal to noise ratio before and after the final draw waveforms. )

LMS算法的仿真程序,初级入门的matlab仿真程序(LMS algorithm for the simulation procedure, the initial entry of matlab simulation program)

hamming code in matlab platform

说明：  2,1,3卷积码，能运行，有结果，附图，有注释(2, 1, 3 convolutional codes, capable of operation, with results, attached drawings, with notes)

dg is previous change in gradient dx is previous change in x

EMD分解，可以有效的解决EMD分解问题，并嫩而过画出希尔伯特谱(EMD decomposition, can effectively solve the problem of EMD and tender and had drawn Hilbert spectrum)