two-dimensional-gausian

一个简单的matlab的聚类算法程序，可以供初学者做参考资料。(A simple clustering algorithm matlab program can be used for reference for beginners to do.)

K-nearest neighbors 搜索 聚类时经常使用的一种方法 国外网站转载( The following utilities are provided: - Nearest neighbor - K-Nearest neighbors - Radius Search They al supports N-dimensions and work on double, it is possible to choose if return the distances. Here is a time comparison with a vectrized m-code: N=1000000 number of reference points Nq=100 number of query points dim=3 dimension of points k=3 number of neighbor tic [idc,dist]=BruteSearchMex(p ,qp , k ,k) MEX toc tic [idc,dist]=knnsearch(qp,p,k) VECTORIZED M-CODE toc p=rand(N,dim) qp=rand(Nq,dim) Output: Elapsed time is 0.962640 seconds. Elapsed time is 18.813100 seconds. )

关于BCH通道下生成标准矩阵以及编码解码过程的文章(this article is concerned to standard array generation and encoding and decoding under BCH channel.)

说明：  这是光学衍射部分的内容，，衍射部分的基本上都包括了，(This is part of the contents of the optical diffraction, the diffraction part basically includes,)

这个代码是直方图的一个应用，可以帮助了解直方图。(This code is an application of the histogram can help to understand the histogram.)

将根据50g/s流量输入时的阶跃响应数据所建立的模型，代入其它幅值的输入值，验证模型的一致性。(under 50g/s input flow of step response data the model, Other income generation amplitude of the input value, the certification model of consistency.)

IDT法模态参数识别，可识别频率，阻尼比和振型系数。(The IDT Law modal parameter identification)

冈萨雷斯——数字图像处理第二版matlab ，非常有用的(Gonzalez- Digital Image Processing 2nd edition matlab, very useful)

数学建模常用算法模型介绍及matlab实现程序代码，对于数学建模非常实用(Commonly used mathematical modeling algorithm model introduction and Matlab code is very useful for mathematical modeling)

用matlab仿真来实现QPSK通信系统(Matlab simulation of QPSK)