ssim_index

串口打开的matlab文件，感觉挺好用的(open the com method using matla )

这里的k-means聚类，是事先给出原始数据所含的类数，然后将含有相似特征的数据聚为一个类中。(Where k-means clustering, is given in advance the number of classes contained in the original data, then the data contained similar characteristics grouped into a single class.)

说明：  本程序包括四部分，分别实现了迫零均衡，信号产生，绘制眼图以及误码率的计算。(This program consists of four parts, respectively, to achieve a zero forcing equalization, signal generator, drawing the eye diagram and bit error rate calculation.)

高斯信道下二进制相移键控信号仿真MATLAB源程序(Gaussian channel binary phase shift keying signal simulation MATLAB source)

利用模式理论，对给定几何尺寸以及折射率分布的光纤进行模式求解与绘图，该程序给出LP11模的求解与绘图。(the LP11 mode of the fiber)

求解的长直接地金属槽和平板电容中的电场，并画出等位线分布图(Calculation of Electron Physics )

it includes some usefull codes in speech processing

小波分析语音信号并计算各IMF包络的能量熵(Wavelet analysis of vibration signals and calculate the energy entropy IMF envelope)

该程序实现了真彩图像的读入，并将真彩图像转换为灰度图像(The program implements read the true color images and true color image is converted to grayscale)

将百分制的学生成绩转换为五级制的成绩输出(The percentile of the student achievement scores is converted to five-tier system of output)