the-distribution-of-nodes

利用Matlab编程实现对lena.bmp灰度图象进行QF=50和QF=40的压缩和解压缩，比较二者的PSNR，并且利用霍夫曼编码模拟信道中传输图象。通过了Matlab2009A测试。(Using Matlab program to compress and decompress the gray image Lena.bmp at QF = 50 and QF = 40,as well as comparing the result of two situation.Then using Huffman coding analog channels transmitted images. Adopted Matlab2009A test.)

说明：  基于matlab得计算两幅图像的互信息得程序。(Matlab calculation based on two images of each other may have to process information.)

Generate maximal length and gold sequence and proves its autocorrelation and cross correlation properties.

地震有限差分正演，包含正规网格、交错网格、变交错网格、有限元等算法(finite difference)

matlab解耦合非线性薛定谔方程组，考虑自相位调制、交叉相位调制与四波混频(Matlab solves the coupled nonlinear Schrodinger equations, considering self phase modulation, cross phase modulation and four wave mixing.)

利用fastICA算法进行复数的独立成份分析，属于盲源分析的一种(fastICA)

vectorcontrol2. sim . mnbv vcxcfg

OFDM中物理层仿真，卷积编码，fft，ifft，插入导频，插入循环前缀等，包括matlab详细源代码(OFDM physical layer simulation, convolution coding, fft, ifft, inserting pilot, insert the cyclic prefix，Including detailed matlab source code)

Matlab基础及其应用教程，提供给matlab初学者，很好的教材(Matlab and its application tutorial, available to matlab for beginners, good textbooks)

fuzzy_cluster模糊聚类分析，本函数使用的是直接聚类法，直接输出聚类信息，无返回值 输入参数data是需要分类的数据，将会对data的列分类，请输入数据前把需要分类的向量按列保存到矩阵data 输入参数numda是分类的分类点，如果不知道可以先省略，系统默认1-0依次减小用以方便判断分割点，然后用户再细分( Fuzzy_cluster fuzzy clustering analysis, the function uses the clustering method is direct, direct output clustering information, no return value input parameter data is needed to classify data, classification of data will be listed, enter the data before the need saved by the column vector classification matrix data to the input parameters numda profile classification point is, if you do not know can be omitted, in order to reduce the system default 1-0 split point for easy judgment, then the user is subdivided)