contrast_controller

feature extraction by dct

toolbox for dimensionality reduction, including PCA

三相SVPWM整流、逆变双向并网变换器，可以运行。(Three phase SVPWM rectifier, inverter bi-directional grid converter, you can run.)

偏微分方程的MATLAB解法。 偏微分方程工具箱提供了研究和求解空间二维微分方程问题的一个强大而又灵活实用的环境。(MATLAB Solution partial differential equations. Provided in the toolbox of partial differential equations and differential equations to solve the problem two-dimensional space of a strong and flexible and practical environment.)

matlab图像处理常用程序：线性变换、非线性变换、图像锐化、边界追踪、中值滤波器(matlab image processing program used: linear transformation, a nonlinear transformation, median filter, boundary tracking, image sharpening)

matlab 源码,基于小波变换的语音信息隐藏的实现,对原始语音信息和水印信息都经过三层小波分解处理后,将水印信息的低频信号嵌入原始语音信号的部分高频信号部分实现隐藏.源代码不仅给出隐藏过程,并且给出的在随机噪声,重采样,信息压缩情况下的抗攻击特性.源代码清晰有注释(matlab source code, based on wavelet transform voice messages hidden realize, the original voice information and watermark information after a three-treatment, after wavelet decomposition, the watermark information embedded in the low-frequency signals of the original speech signal realize some hidden part of high-frequency signals. source code is given not only to hide the process, and given in random noise, resampling, compression of information in case of anti-attack features. source code has a clear Notes)

该文件是空间矢量调制的整流级。采用m文件编程。输出直流波形符合理论推导，比较理想。(This file is space vector modulation of the rectifier stage. The m file programming. Output dc waveform conform to the theoretical derivation, more ideal. )

MATLAB的入门的PPT,目的为了更好的学习MATLAB工具(MATLAB entry of the PPT, the purpose of study in order to better MATLAB instrument)

基于自回归,全极点的AR模型,对随机信号的进行的功率谱估计.(based on the return of all Poles AR model of random signal of the power spectrum estimation.)

说明：  歌曲中人声消除的原理； wav文件的格式； IIR和FIR数字滤波器的设计方法； C语言或Matlab的编程知识。 (Elimination of the principle of human acoustic songs wav file format IIR and FIR digital filter design C or Matlab programming language knowledge.)