NDCT_watermark

Function to implement Linear Discriminant Analysis Usage:- [Xnew,V,mX,D] = lda(X,index,mX) [V,D] = lda(X,index) where:- X = concatenated grand profile vectors (GPV) i = class index of each vector Xnew = new feature vectors P = eigen vectors mX = mean of GPV (optional in input) D = eigen values

输入8位电话号码，自动为每位数字生成对应的DTMF信号，送出双频声音(Enter the eight telephone number, automatically generates the corresponding DTMF signal for each digit, dual-frequency sounds sent)

Roi acquisition, it could help us to demonstrate the region of interest that you like

线性规划 用于计算多元一次方程组以及需要的计算 (Linear programming is used to calculate multivariate equations and computational time needed)

说明：  pcm调制与解调的matlab建模与仿真程序，说明详细(pcm modulation and demodulation matlab modeling and simulation program, give details)

这是matlab批量读入图片的程序，很好用，里面有详细的说明(This is read into the picture matlab batch process, useful, which is described in detail)

线性方程组求解，全主元解法的matlab程序(The solution of linear equations, all the main element method matlab program )

Allows seismic data retrieval from varied sources and simplified creation of sophisticated programs

matlab 代码，主要用于计算一数据矩阵的标准差，方差，变异系数，话三维曲面图(matlab code, data matrix used to calculate a standard deviation, variance, coefficient of variation, then D surface chart)

本文对基于非线性控制方法的倒立摆系统控制进行了系统的研究(In this paper, control methods based on nonlinear inverted pendulum control system research)