butterworth

说明：  用matlab编写的基于Haar小波变换的图像增强处理，同时可实现小波正变换，小波逆变换，实现小波分解与重构源代码。(Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve the source code.)

读取数据的MATLAB相关技巧，已经过整理(MATLAB read data related skills have been finishing)

通过matlab 程序，计算rainflow的值，验证疲劳载荷是否合格(rainflow ，load)

信噪比最大化的盲源分离代码，可用于分离源信号数与混合信号数一样的情况。(Separated source signal number and the number of mixed-signal can be used to the SNR maximization blind source separation code.)

利用傅里叶变换的图像篡改盲检测，Matlab实现。(The Fourier transform of the image tamper blind detection, Matlab implementation.)

说明：  国内一名校老是编的经典控制程序，跟实际项目密切相关。(China is always a prestigious series of classical control procedures, is closely related with the actual project.)

预测控制中的DMC（动态矩阵控制），有清晰的备注(Predictive Control DMC (Dynamic Matrix Control), there is a clear Remarks)

该matlab程序实现字母T和L的区分，在9*9格形框里，字母T和L有不同的位置，任意位置，神经网络都可以识别出是T还是L(The program matlab and distinguish letters L, T, in the grid-shaped box 9* 9, the letters L and T have different locations anywhere in the neural network can identify a T or L)

提取图像sift特征，并且showkey函数在图像上直观的显示出来(Sift extracted image features, and showkey function in the image displayed on the intuitive)

algoritmo de la biseccion