dsp4

Supporting Document for Support Vector Machine matlab Coding

Liner Code GUI Source

一个二维静电场，电位函数为φ（x, y），将正方形分成25个正方形网格。有16个内部网格点。假定16个网格点的初值都定为零，试用超松弛法确定16个内部网格点的电位值。(A two dimensional electrostatic field, the potential function for phi (x, y), the square into 25 square grid. There are 16 internal grid point. Assume that 16 mesh point of initial value at zero, trial overrelaxation method to determine the potential value of 16 internal grid point.)

该方法通过原始象素亮度与周边象素亮度之间的关系获取增强系数，对已做全局亮度调整的图像进行图像增强(lum_en_local=wjli_lum_en_local_bilateral(lum_en_global,lum_ori,window_r,sigmad,sigmar))

产生服从离散幂律分布的随机数，再用线性回归的方法求得其服从幂律分布的最小值和分布参数(a method of generating power law random numbers of discrete case and a method for calculating the alpha of a number set that satisfies a power law distribution)

在Matlab中实现三维立方体的绘制。你可以选择不同的方向，大小，旋转，颜色和透明度。(This function plots a 3D-Cube. You can choose the orientation, size, rotaion, colors and transparency.)

Matlab in image processing ebook

极限学习机代码（GPU版本），使用MATLAB自带的GPU工具箱(Extreme Learning Machine code (GPU version), the use of MATLAB s own GPU toolbox)

QPSK modulation with awgn channel

小波滤波技术，实现信号和图像的滤波处理，相较中值滤波处理的效果更佳理想(Wavelet filtering technology can filter signals and images better than median filtering)