CDMA2000

this is the source code for novel watermarking approaches for copyright protection of digital media such as videos and images using sws algorithm.

对信号进行Choi-Williams分布分析的matlab函数(The matlab function of Choi-Williams distribution analysis )

对模拟信号抽样，然后进行离散傅里叶变换，利用自编DFT函数，得到频谱，然后进行频谱的还原。(Sampling the analog signal, then the discrete Fourier transform, DFT self function obtained spectrum and the spectrum reduction.)

电力电子技术 课程讲解 晶闸管的介绍 过流保护 过压保护等等(Power Electronics Technology Course introduction explaining current protection thyristor overvoltage protection, etc.)

sundy 教学代码演示文件 calendar(sundy teach code calendar)

说明：  Simulation Montecarlo Integral2

用matlab软件实现画一个凸轮的形状，并作出它的位移，速度，加速度曲线。(Matlab software used to draw a cam shape, and make its displacement, velocity and acceleration curves.)

svm的一种特征选择方法，基因选取算去，减少特征数量，减少运算时间，也可提高运算精度(svm a feature selection method, gene selection operator to reduce the number of features to reduce the computation time, but also can improve the calculation accuracy)

用于matlab的pca,程序规整。便于理解，思路清晰。(for matlab of pca)

This m-file implements the frame difference algorithm for background subtraction.