mat_emd

matlab图像处理工具，包含了很多常用和不常用的处理方法(matlab image processing tool, containing a number of commonly used and are not commonly used approach)

说明：  基于小波包的带通滤波器设计程序。给出了小波变换的快速算法和重构算法，讨论了应用小波变换进行信号带通滤波的方法，并通过正交小波包对信号的分解，把频率成分复杂的信号分解到各个频带上，根据需要提取指定频率的信号，然后用小波包重构算法对信号进行重构，实现对信号的提取。(Based on wavelet packet band-pass filter design program. Given the fast algorithm of wavelet transform and reconstruction algorithms are discussed using wavelet transform signal band-pass filtering method, and through the wavelet packet to signals can be decomposed, 把 frequency components of complex signal is decomposed into various frequency bands 上, according to need to extract the specified frequency signal, and then reconstructs the signal reconstruction algorithm to achieve the extraction of the signal.)

包含位置式PID算法、积分分离式PID，基于分段非线性权重值的Pso算法，基于matlab平台实现。( It contains positional PID algorithm, integral separate PID, Based on piecewise nonlinear weight value Pso algorithm, Based on matlab platform.)

用一阶梯度法，共轭梯度法和变尺度法求解多变量的寻优问题，其中单变量的寻优用的是0。618法(One method used ladder, conjugate gradient method and the variable metric method for solving multi-variable optimization problems, single-variable optimization using the 0.618 Act)

digital modulation techniques

random bullshit in matlab

图像处理MATLAB程序（教学使用）-图像灰度级修正（直方图规定化）(MATLAB image processing program (Teaching)- image gray level correction (histogram specification))

说明：  通过gamultiobj函数，实现基于nsga2的改进优化算法(An improved optimization algorithm based on NSGA2 is implemented by gamultiobj function)

Univariate local or global optimization matlab最优化工具包，可以进行最优化点的搜寻。(Univariate local or global optimizationmatlab optimization tool kit can be carried out to optimize the search point.)

基于matlab语言编写的s-function实现PID控制器功能( s-function to realize the PID controller function based on the matlab language)