grid search

说明：  huffman编码译码的实现，通过huffman编码可以达到较高的编码效率(huffman code decoding to achieve, through the huffman coding can achieve higher coding efficiency)

无线传感器网络加权质心自定位算法中加权质心算法仿真(Centroid algorithm simulation in wsn)

例3：分析占空比为ta的矩形脉冲频谱 T=1 时间窗大小 ta=0.5 占空比 N=256 t=linspace(-T,T,N) ts=2*T/N fs=1/ts (x=zeros(1,N) x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1) y=fft(x,N) figure plot(t,x) title([ 时域信号图 占空比为 ,num2str(ta)]) axis([-T T-0.2 1.2]) xlabel( t /s ) figure subplot(211) f=linspace(-fs/2,fs/2,N) plot(f,abs(fftshift(y))/N) title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ]) xlabel( f /Hz ) )

对连续时域信号进行采样处理成为离散信号。完成信号绘图并显示其采样图像(signal sampling)

在心电信号中混入50HZ工频噪声，并设计自适应滤波器消除消除工频噪声。程序附有详细文字解释，可运行。(In the ECG signal mixed with 50HZ frequency noise, and design of adaptive filter to eliminate the elimination of power frequency noise. The program is accompanied by a detailed text explanation, can run.)

说明：  利用Matlab平台编制的光线追迹模拟程序，可以改变程序中的相关参数，模拟任意形状透镜的光线追迹。(The program used to simulate ray tracing using MATLAB platform can change the relevant parameters in the program to simulate ray tracing of lens with arbitrary shape.)

说明：  实现数据误差的剔除、修正，曲线拟合，平缓。(Eliminate data errors, correction, curve fitting, flat.)

partical swarm optimization method for optimize antenna array...

说明：  document of image compression

关联向量机，很好的工具箱，有用于分类和回归的例子(Relevance vector machine, a good toolbox, there are examples for classification and regression)