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simulation modulate & demod QPSK

plot 3d with matlab with this code you can plot a surface with matlab functions: meshgrid, zeros, rastriginsfcn, meshc, xlabel, ylabel, zlabel, clear, clc

基于matlab仿真的power point内容，关于matlab的基本知识及仿真编程内容(Matlab simulation of the power point based on the content of the basic knowledge about matlab and simulation programming content)

为了研究系统在受到外界干扰情况下的性能，特别从输入端加入了噪声干扰，仿真效果明显。(this progrmme is set to test the system performance .)

说明：  遗传算法的详细介绍，对于初学者非常有帮助，讲解浅显易懂，还包含完整的实例( )

it is a code for kernel-FCM clustering

目动曝光控制参数的获得方法及控制方法和成像装置--专利(Project AE acquisition method and control method and control parameters of the imaging device)

nonlocal means算法的实现，用于去除斑点噪声(nonlocal means)

讲述了Matlab中各种画图命令，非常全面，肯定会对使用matlab的同学有帮助。(Tells the story of the Matlab various drawing commands, very comprehensive, will certainly use matlab students.)

CSINTERP 1-D piecewise cubic spline interpolation of tabulated data and calculation of first and second derivatives.