stretch

非常好的关于matlab绘图的代码，可以学会绘制漂亮的二维与三维制图(Very good about matlab drawing code, you can learn to draw beautiful 2D and 3D mapping)

通过Matlab程序，将word文档中词义相近的词语聚类，并分析计算聚类后不同类别词语的频数。(By Matlab procedures, the word document clustering words of similar meaning, and to analyze the frequency of different types of words after computing clusters.)

光纤光栅梳状滤波器相关matlab程序，对通信专业本科毕业论文很有帮助(Fiber grating comb filter correlation matlab procedures, communications professional undergraduate thesis helpful)

数值计算里经典的欧拉算法的源程序，采用matlab写的，对理解欧拉算法有很大的帮助作用。(Numerical calculation in the classical Euler algorithm source code, using matlab write, for understanding Euler algorithm has a great help.)

用于时间序列的预测，包含序列特征描述、平稳性检验、序列周期判断、季节因子提取、指数平滑预测、及ARIMA预测(Sequence features for time series prediction, including the description of the stationary test, to determine the sequence cycle, seasonal factor extraction, exponential smoothing, and ARIMA forecasting)

本例子给出了fmincon的使用方法，还有遗传工具箱的使用方法，供新手参考。(This example gives the use of fmincon and genetic toolbox for novice reference.)

包括主成分分析、因子分析、贝叶斯分析，数据模型归一化，模态振动，对信号进行频谱分析及滤波，调试通过可以使用，matlab程序运行时导入数据文件作为输入参数，IMC-PID是利用内模控制原理来对PID参数进行计算。(Including principal component analysis, factor analysis, Bayesian analysis, Normalized data model, modal vibration, The signal spectral analysis and filtering, Debugging can be used, Import data files as input parameters matlab program is running, The IMC- PID is using the internal model control principle for PID parameters is calculated.)

豪斯霍尔德QR分解及回代MATLAB代码，并用该方法解决线性方程组的实例(Howard Hopper QR decomposition and back substitution de MATLAB code, and use this solution to an instance of linear equations)

：滤波 fs=400 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

Script for computing BER with Binary Convolutional Code