dft_nfir

一阶无限冲激响应低通滤波器和一阶无限冲激响应高通滤波器，用matlab计算并画出它们的增益响应(First order IIR low-pass filter and the first order IIR high-pass filter, using matlab to calculate and draw them gain response)

说明：  波叠加的matlab源程序，来源于因特网。 谢谢大家！(wave superposition of Matlab source, and from the Internet. Thank you!)

MATLAB Simulation仿真文件，齿轮传动的仿真，使用SimMechanics工具箱(MATLAB Simulation simulation files, gear simulation, using SimMechanics Toolbox)

matlab迭代法代码，很不错，值得看看(iterative method matlab code, very good, worth a look)

This file is a solution for vertical seismic profile

说明：  希尔伯特黄变换，提供了EMD分解，希尔伯特包络提取，希尔伯特边际谱绘制(including EMD and envlop extraction using Hilbert and marginal spectrum)

本程序为应用小波变换进行信号压缩。由于本程序涉及到了小波变换的函数，因此可能涉及到一些时频分析工具箱的函数。程序中应用db3小波进行3层分解，选用全局阈值进行阈值处理，即对各高频系数使用同一个阈值，进行阈值处理。(This procedure for the application of wavelet transform for signal compression. Since this procedure involves the wavelet transform of the function, it may involve a number of time-frequency analysis function of the toolbox. Procedures for the application of layer 3 to db3 wavelet decomposition, selection of the overall threshold threshold treatment, that is, on the high-frequency coefficients using the same threshold, the threshold for treatment.)

Levinson/Burg/MUSIC/ARMA算法的功能模块~可直接调用！MATLAB文件，已编译！(Levinson/Burg/MUSIC/ARMA algorithm function module to directly call!)

3维FDTD程序,非常实用的一个MATLAB程序，适用于任何三维结构，分享给大家使用。(Three-dimensional FDTD program, a very practical MATLAB procedures applicable to any three-dimensional structure, to share for everyone to use.)

异步电机仿真模型，里面包含了异步电机各类simulink仿真模型及SPWM控制算法(Induction motor simulation model, and SVPWM control algorithm)