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灰度图像阈值分割，用二维otsu方法实现的matlab程序(Gray image threshold segmentation, using two-dimensional Otsu method of matlab program)

冈萨雷斯编写的数字图像处理Matlab版，是Matlab和图像处理的最佳组合(A classical digital image processing books, tells the classic algorithm for digital image processing.)

该代码实现了 ook等不同通信通信方式的误码率的仿真比较。(The code implementation of different communication ook communication BER simulation comparison.)

很好的OFDM仿真程序代码，大家一起分享吧，祝大家分享愉快序，希望对大家有用。(OFDM simulation code well, we share it, I wish to share a happy sequence, we hope to be useful.)

夫琅禾费衍射的几个程序，有单缝衍射，多缝衍射，和矩孔的衍射。(Fraunhofer diffraction of several procedures, single-slit diffraction, multi-slit diffraction, diffraction and the moment the hole.)

FFT的详细介绍，并附带一个简单的例子予以说明(the instruction of the FFT,and it offers a simple example to make you undersatand it.)

说明：  本文件中有多个matlab内核函数的源代码，可以方便的查阅在matlab内核运行的代码，从而提高个人matlab编程技巧。(This file is about the core code of matlab,can help reader and learner to improve programming in matlab Environment.)

it s knn simulation by matlab toolbox

KPCA的matlab代码，经过验证，可以用的代码(matlab code for KPCA,it can be used)

自己编写的程序，在光谱数据处理上可以实现截回波以及傅里叶变换功能(I have written procedures, the spectral data processing can be achieved as well as truncated Fourier transform function echo)