vebyk

this code normalise iris,is written by libor masek,this code is usefull for iris recognition.

Funciones varias para Matlab

各种图像融合性能评价参数，包括D,MSE,PSNR,SF,RMSE,NCD,REL,MI,MAE,DREL,EOG,CREF等(Image fusion performance evaluation of various parameters)

产生各种调制信号，例如MASK,MFSK,MPSK,QAM(Produce a variety of modulation signals such MASK, MFSK, MPSK, QAM)

计算信号的模糊熵，其中的输入为一维离散时间序列(Calculate the fuzzy entropy of the signal, in which the input is one-dimensional discrete time series)

曲柄滑块机构的运动学仿真，研究曲轴运动的物理规律，通过建模和仿真，其运动规律可以实时动画展现，各项数据实时输出，大大增加了直观性(Slider-crank mechanism kinematics simulation, the laws of physics research crankshaft movement, through modeling and simulation, which show the movement of the animation in real-time, real-time output of the data, greatly increasing the intuitiveness)

分数阶混沌系统的Lyapunov指数,有利用分数及的计算(fractional chaotic newsysytems Lyapunov)

lab exercise programs to learn matlab. easy examples to know the basic functions used in matlab coding. we can also learn how to create a circle ,spiral etc...

梯度下降（可视化,两个例子），对于初学者来说有用。(Gradient Descent（visualization，two examples）)

Hu矩及其改进Hu矩的文章以及Matlab的实现(Hu moments and its improved Hu moments of the article, as well as the realization of Matlab)