the-box-dimension

利用MATLAB进行的常见偏微分数值算法，绝对全面！(Commonly carried out using MATLAB partial differential numerical algorithm, absolutely full!)

多字节数据的加法程序,两个多位十进制数相加(duozijiejiafachengxu,lianggeduoweishijingzhishuxiangjia)

说明：  用最速下降法、共轭梯度法、牛顿法、BFGS求解范例目标函数.(Solving the case objective functions using the steepest descent method, conjugate gradient method, Newton method and BFGS method.)

u can calculate DCT clc inp = imread( Im1.jpg ) inp1 = imread( Im2.jpg ) A = double(inp(:,:,1)) B = double(inp1(:,:,1)) A1=double(blkproc(A,[8 8], dct2 )) B1=double(blkproc(B,[8 8], dct2 )) [r,c] = size(A1) r1 = [] for i=1:r for j=1:c if A1(i,j) > B1(i,j) r1(i,j)=A1(i,j) else r1(i,j)=B1(i,j) end end end r1= double(r1(:,:,1)) C=blkproc(r1,[8 8], idct2 ) round(C) C1=idct2(r1) figure imshow(uint8(C)) figure imshow(uint8(C1)) imwrite(uint8(C), dct8x8min.jpg )

ofdm系统的源代码，非常有用。希望帮到大家(ofdm system source code, very useful. Hope to help everyone)

GSM simulink 传输系统全仿真(GSM simulink transmission system simulating)

通过matlab代码，小波包分析提取振动信号中的特征频率，可以得到很精确的幅值、频率、相位估计。( By matlab code, Wavelet packet analysis to extract vibration signal characteristic frequency, You can get a very accurate amplitude, frequency, phase estimation.)

multi-layer perceptron XOR algorithm

直方图压缩模板，输入的一定bins的直方图，输出48bins的直方图，可用于图像识别，在对图像提取直方图特征后进行降维操作(Compression template histogram, histogram bins certain input, output 48bins histogram, can be used for image recognition, the histogram of the image feature extraction operation after the dimension reduction)

一篇不错的介绍空间矢量调制理论及建模方面的文档(A good introduction to space vector modulation theory and modeling of document)