APF100512770

This paper presents a novel algorithm of hiding secret messages by applying mathematical lemmas and information theory. The proposed algorithm can hide more information with acceptable embedded rate and achieves requirements of information hiding algorithm and simply information extracting. The main idea is applying modern algebra to solve the information hiding problem in multimedia. In order to prevent some attacks on stganography, hidden initial bits of image data pixels are chosen randomly. The extracted information are achieved without the reference of the original image and extracted keys. The experiment results show that our approach is effective and reliable.

平均标准偏差，一个计算用的Matlab小程序，希望大家喜欢(The average standard deviation, a calculation using a small Matlab program, I hope everyone likes)

说明：  matlab统计分析工具箱里面没有频数统计函数，有些情况下频数统计可以很直观地显现统计规律。(statistical analysis toolbox matlab There are no statistics on the frequency function, in some cases frequency statistics can be intuitively apparent statistical regularity.)

说明：  运行环境matlab2006a，请下载！(Operating environment matlab2006a, please download!)

用MATLAB仿真雷达chirp信号，并对其进行距离向和方位向脉冲压缩，对有距离徒动的进行徒动矫正(Chirp radar signal simulation using MATLAB, and its distance and azimuth pulse compression, for there were only moving away only corrective action)

Documentation and specification for banks and financial institutions for payment acceptance infrastructure

1：MUSIC 算法MATLAB程序 2：ESPRIT 算法MATLAB程序 3：Root-MUSIC算法MATLAB程序 4：面阵中二维角度估计 Unitary -ESPRIT算法MATLAB程序(1:MUSIC ALGORITHM MATLAB PROGRAM 2:ESPRIT algorithm MATLAB program 3: Root-MUSIC algorithm MATLAB program 4: MATLAB Program of Unitary-ESPRIT Algorithms for Two-Dimensional Angle Estimation in Area Array)

说明：  介绍如何在自己的应用程序中实现毫秒级的控制。(control in million second。 )

对数据进行分组：通过该程序在matlab将一组数据随机的分为两组，用于建模计算(devide into two groups)

该程序实现2ask的解调，2ask解调C语言实现(The program 2ask demodulation, 2ask demodulation C language)