ACT_EXP

这是一个用matlab做的功率谱估计，采用几种方法仿真并比较(This is a matlab to do with the power spectrum estimation, using several methods and compare simulation)

平面度检测算法，算法基于遗传算法实现，开发环境为MATLAB7.1。(Flatness detection algorithm, the algorithm based on genetic algorithm, development environment for MATLAB7.1.)

Ampl for multiple programming including linear programming, nonlinear grg model

聚类重要步骤，利用数据之间的相似度自适应确定类别数(decide adaptive number of classes using similarity)

用matlab对wav文件采用不同的方式读取（wavread和fopen），并对其进行低通滤波处理。滤波用的fir直接型低通滤波器(to read the wav file in different ways with Matlab (wavread, and fopen), and then low-pass filtering. the low-pass filter is direct_type FIR filter )

this is a document for design and tuninng a pid by matlab

说明：  利用FFT对原信号进行变换，然后在频域进行处理，再使用IFFT进行反变换，达到滤波的目的。(use FFT and IFFT to filter)

反馈控制系统设计与分析-薛定宇的ctrllab3.0(feedback control system design and analysis ,matlab code ,ctrllab3.0)

50－channel的polyphase filter，基于FIR滤波器(50-channel of the polyphase filter, based on the FIR filter)

用差分方法计算带时变系数的波动方程,界面可视。(simulate the wave functions with time-varying coefficients)