face-2

这是用牛顿法做的，绝对正确无误，请放心下载。(This is done using Newton s method is definitely correct, please rest assured that download.)

butterworth高通滤波，里面有两个巴特沃斯高通滤波函数，我试过了，都可以用。(butterworth high-pass filtering, there are two high-pass Butterworth filter function, I tried, you can use.)

说明：  Adaptive Watermarking.

在matlab下利用simulink搭建模块，对典型信号如正弦波、方波、三角波、锯齿波、白噪声以及叠加波形的时域信号进行频谱（幅值谱）特性分析。(Module in matlab simulink structures, such as sine, square, triangle wave, sawtooth wave, white noise, as well as the time-domain signal waveforms superimposed spectrum (amplitude spectrum) characteristics of a typical signal.)

用matlab编写的遗传算法用来快速求解目标函数的极值！欢迎你下载学习！(Prepared using matlab genetic algorithm used to solve the objective function Express Extreme! Welcome to download you study!)

运用MATLAB软件对层次分析法做进一步的探索与研究，对选购手机有一定的借鉴意义(Using MATLAB software AHP for further exploration and research on purchasing mobile phones have some reference)

THE FILE USE FOR ANIMATE THE DATA PLOT

说明：  对一个矩阵进行Cholesky分解的matlab程序(the cholesky decomposition of one matrix)

单相离网逆变器，半桥式I型结构，三电平逆变。simulink仿真模型(Single-phase off-grid inverter, half bridge type I structure, three level inverter.Simulink simulation model)

对声音中嵌入的图像进行提取，此图像时矩阵排列(Embedded in the sound image was extracted from a matrix of this image)