逆透视变换

这是关于层次分析法、聚类分析、主成分分析的源代码(This is about the level of analysis, cluster analysis, principal component analysis of the source code)

This is a program to describe cooperative spectrum sensing of Cognitive radio implemented in cognitive radio

基于时域有限差分法（FDTD），用MATLAB编程计算双球金纳米颗粒的局域电磁场增强(二维)的程序||2sphere2D.m(Base on FDTD ,local field enhancement of gold double sphere nanoparticles（2D）by Matlab || 2sphere2D.m)

电压暂降正周期有效值,是四案例工程中比较常见的算法。(t=0:0.0002:0.2 y=cos(100*pi*t) y1=0.5*cos(100*pi*t) y(200:600)=y1(200:600) for i=1:1:901 u(i)=sqrt(sum(y(i:i+99).^2)/100) end plot(u) xlable( 采样点数 ) ylable( u ) )

说明：  对二维图像进行分形维数的计算，采用差分盒维数进行计算，并且进行了拟合误差的计算(The fractal dimension of two-dimensional image is calculated by using the differential box dimension, and the fitting error is calculated)

coordinates from talairach to mni and vs

求希尔伯特变换后的瞬时频率,经过信号的解析，反正切变换，求导得出(instant frequency)

自己写的读取视频，提取关键帧和帧差源程序(Read write their own video, extract the source key frame and frame difference)

matlab 7.0基础教程 清华大学出版社 孙祥 徐流美 吴清编著(stream America, Matlab 7.0 Essentials Tsinghua University Press Sun Xiang Xu Wu Ching-ed)

信号分析与处理中的卷积，适用于合成地震记录(Signal analysis and processing of convolution, for synthetic seismograms)