认知无线电能量检测

简洁易懂的matlab版ply彩色模型生成工具，只需要输入点云的坐标矩阵和对应的彩色RGB数组，即可生成二进制的ply文件，代码通俗易懂，十分便捷。

【实例简介】

【实例简介】MATLAB智能算法30个案例分析 源代码

使用FFT变换进行滤波，涉及实数FFT的负频率部分对齐

相控阵天线方向图的不同画法3(Beam_F2.m)

先进PID控制MATLAB仿真  第4版，刘金琨编著，电子工业出版社出版

先进PID控制MATLAB仿真程序实例第四版

粒子群优化算法matlab程序

基于matlab，读取图像文件并，并计算其图像对比度。 计算公式采用：各中心像素灰度值与周围8近邻像素灰度值之差的平方之和再除以差的个数。 注：直接运行，选取路径即可输出计算结果，十分方便。适用于大量图片待计算时使用。

function [modes its]=ceemdan(x,Nstd,NR,MaxIter)% WARNING: for this code works it is necessary to include in the same%directoy the file emd.m developed by Rilling and Flandrin.%This file is available at %http://perso.ens-lyon.fr/patrick.flandrin/emd.html%We use the default stopping criterion.%We use the last modification: 3.2007% % This version was run on Matlab 7.10.0 (R2010a)%----------------------------------------------------------------------% INPUTs% x: signal to decompose% Nstd: noise standard deviation% NR: number of realizations% MaxIter: maximum number of sifting iterations allowed.%% OUTPUTs% modes: contain the obtained modes in a matrix with the rows being the modes % its: contain the sifting iterations needed for each mode for each realization (one row for each realization)% -------------------------------------------------------------------------% Syntax%% modes=ceemdan(x,Nstd,NR,MaxIter)% [modes its]=ceemdan(x,Nstd,NR,MaxIter)%%--------------------------------------------------------------------------% This algorithm was presented at ICASSP 2011, Prague, Czech Republic% Plese, if you use this code in your work, please cite the paper where the% algorithm was first presented.