STFT2

A steganograghic usfull and incripted tool for hiding critical secret information -text files inside a bitmap images.(A steganograghic usfull and incripted tool for hiding critical secret information-text files inside a bitmap images.)

说明：  本程序实现了RGB图像转化为灰度图像，而后对图像进行了二值化，比较适合初学者，因为很多复杂的程序初学者比较难理解，我写的这个程序可以作为入门程序。(This program realized RGB images to gray image, and then to the binary image.It is suitable for beginners, because many complicated procedure is difficult for beginners, I write this program can be used as introductory programs.)

国外matlab相关实验资料，包括源码及相关说明文档(matlab source code)

潮流计算matlab程序，方便理解，供电力系统学习者分享(Flow calculation matlab program, to facilitate understanding for the learners share of power system)

Any change to the value of Mresults in immediate and phase-continuous changes in the output frequency

OFDM同步技术仿真，带有码间干扰和半码调制，多信道衰落。(OFDM synchronization technology simulation, inter-symbol interference and a half with code modulation, multichannel fading.)

用matlab实现kaiser窗，非常实用。(Using matlab to achieve kaiser window, very useful.)

卡尔曼滤波器的编码程序，基础程序可以好好学习下，希望有帮助！(Kalman filter coding procedures, based on the program can learn under, want to help!)

直接序列扩频，利用MATLAB程序实现对原信号的扩频与解扩，有利于信号的抗干扰传输(Direct sequence spread spectrum, use the MATLAB program for spreading and despreading the original signal, the signal interference in favor of transmission)

取x轴Y轴某些点的坐标，用线连起来，包线图(Check point coordinates, even from the envelope )