psychoacoustic

图像配准中的两幅图像的归一化互信息计算方法代码(Image registration of two images of the normalized mutual information method code)

Using matlab to predictive gold price of the backproporgation neural network

distributed feedback laser diod with ode source code .rar file

输入输出程序，用于观察模型的控制效果，并进行响应分析。(Input and output program for controlling the effect observed models and response analysis.)

用matlab做的各种单元的有限元分析模型(Matlab do finite element analysis model of the unit)

说明：  可以进行傅立叶变换的matlab程序 保证可以使用 (Fourier Transform can guarantee that you can use matlab program)

三相桥式整流电路带阻感负载谐波电流源,用simulink搭建的谐波检测仿真电路。用于对所产生的现象进行合理解释，并对波形进行傅立叶频谱分析。(Three-phase bridge rectifier circuit with resistive inductive load harmonic current sources of harmonic detection using simulink simulation circuit structures. Generated for a reasonable explanation of the phenomenon, and the waveform Fourier spectral analysis.)

The Automatic Derivative TOOLBOX

说明：  利用惯性导航基本方法进行惯性导航解算，得到当前时刻状态(The basic inertial navigation method is used to solve inertial navigation, and the current state is obtained)

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 )