weak-signal-detection-and-analysis

说明：  一种ofdm频偏估计误差的方差MATLAB程序，可以运行，能得到结果图 (A frequency offset estimation error variance ofdm MATLAB program, you can run, can get results map)

实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。(To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.)

简单的背景差分法代码，用于运动物体前景检测(simple background segmentation code)

CDMA系统中的多用户检测技术性能比较，包括MMSE,DC，OMD(CDMA system in multi-user detection performance comparison, including the MMSE, DC, OMD)

pso算法的代码，是一种基于叠代的优化工具。系统初始化为一组随机解，通过叠代搜寻最优值，(PSO algorithm code is based on an iterative optimization tools. Initialize the system for a group of random solutions, through iterative search for the optimal values,)

fastica is fast version of ica. It is used for signal separation and has wide applications...............................................................................................................................................

LSB隐写算法中的随机数生成函数，和大家一起分享，欢迎下载(Generating function of random number in LSB steganography algorithms)

matlab Manchest编码实现的m 文件(matlab Manchest coding realize the m file)

本程序可以实现对图像用Matlab进行奇异值分解(This program enables the images to use Matlab the singular value decomposition)

多星座导航系统GDOP递推特性的仿真程序,程序主要是争对在现有系统中增加一颗其他星座的可见星时GDOP的变化情况组合仿真(GDOP recursive multi-constellation navigation system features simulation program, the program is mainly a fight for increases in existing systems of other constellations visible changes in the star combination of simulation GDOP)