M-J

This Matlab script finds the frequency offset effects in the orthogonal frequency division multiplexing (OFDM)and its effects on the bit error rate (BER). A reference paper is also included.

illumination-robust face recognition via sparse representation

this is simulation on MIMO technique using optimal beamforming

FFT算法C语言实现 和MATLAB中fft函数结果一样的功能(FFT algorithm C language and MATLAB fft function results in the same function)

说明：  adrc 参数整定 对于控制器的复杂参数整定进行算法优化(adrc parameter tuning)

Matlab工程实践课程实验PPT以及部分代码。(Matlab engineering practice course experiment PPT and some code.)

汉明码仿真 ７４汉明码 包括编码解码( The hamming code imitates really)

量子遗传算法matlab仿真源代码，免费下载(Genetic Quantum Algorithm)

使用matlab计算噪声处理：1/3倍频程(Using MATLAB to calculate noise processing: 1/3 octave)

M=512 原图像长度 N=64 K=8 I=zeros(M,M) J=zeros(N,N) BLOCK=zeros(K,K) 显示原图像 I=imread( f:ceshiyuanshitu.bmp ) figure imshow(I) xlabel( 原始图像 ) 显示水印图像 J=imread( f:ceshilogistic_nuaa64.bmp ) figure imshow(J) xlabel( 水印图像 ) 嵌入水印 tem=1 for p=1:N for q=1:N x=(p-1)*K+1 y=(q-1)*K+1 BLOCK=I(x:x+K-1,y:y+K-1) BLOCK=dct2(BLOCK) if J(p,q)==0 a=-1 else a=1 end BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01) BLOCK=idct2(BLOCK) I(x:x+K-1,y:y+K-1)=BLOCK end end 显示嵌入水印后的图像 figure imshow(I) xlabel( 嵌入水印后的图像 ) imwrite(I, f:ceshiembedded.bmp )