arryfac_own

受光照影响的人脸预处理算法，使用小波变换和同态滤波(Affected by light Face preprocessing algorithm, using wavelet transform and homomorphic filtering)

功率谱估计,包括周期图法，burg法，music法，和welch法，并绘图比较(psd,pmusic，pburg)

这是一个磁盘读取系统的仿真,可以画出系统响应图，进而分析系统！(This is a CD read system simmulink。It can analyse a system.)

这是一个用GUI，模拟单缝衍射（两种，并可以设置参数），光强分布的程序代码(this is a GUI simulation of single slit diffraction (two kinds, and can set the parameters), the intensity distribution of the program code)

fft fft folder contains fft and crop an image.

采用matlab编写的music算法实现(Matlab prepared using music algorithm)

source code for direct sequence spread spectrum

模糊C均值聚类的例程，matlab环境下(Fuzzy C-Means clustering routines, matlab environment)

noise reduction in matlab this code is developed by syamsundar

说明：  在多个特征中选取敏感特征，可以降低特征集的维数，提高分类准确率(Select the sensitive feature in multiple characteristics, can reduce the dimension of feature set, improving the classification accuracy )