MDS-MAP

This function calculates discrate fourier transform for vector using the "Fast" method . (recursion )

图像增强方法，采用保持形状的灰度变换方法实现多层对比度增强(The image enhancement method,use gray-scale transformation method holding shape to realize multilayer contrast enhancement.)

说明：  otsu自适应阈值分割 用于图像分割二值化(otsu adaptive thresholding segmentation for image binarization)

matlab6.0 清华版课后练习配套程序，经过运行，完全正确，全部通过运行，希望有用！(it is a valuble exercise!)

连续与离散信号系统的Matlab仿真示例代码．(Continuous and Discrete Signal System Simulation Matlab sample code.)

中心化后的傅里叶谱，傅里叶频谱和平均值,计算图像的平均值(Fourier spectrum and average value)

这是一个画出三家函数图形的小程序，希望可以对大家学习matlab有所帮助(This is a graph of a function to draw three small programs, hoping to be helpful for them to learn matlab)

this is an implementation of ldpc encoder and decoder in matlab. generator matrix, parity check matrix and the chennel are implemented seperately. the bit error rate performance is estimated for the ldpc code

完整的HHT程序，可以直接复制到MATLAB中运行，标有注释，方便查看( 您是不是要找： 完整的FFT程序,可以直接复制到MATLAB中运行,标有注释,方便查看 HHT complete program can be copied directly into MATLAB run, marked notes for easy viewing)

说明：  MATLAB图象处理命令大全，讲解比较仔细，相信对你一定会有很大的帮助的(MATLAB image processing command Daquan, to explain more carefully, I believe you will be of significant help)