programer-filter

读取字符串，统一转换成小写后，删除相同的字符(Read the string converted to lower case after the reunification, delete the same character)

说明：  对偶形式的核Fisher辨别分析，能够实现两类模式的分类。该代码源自经典的机器学习教材--模式分析的核方法。(Dual form of nuclear Fisher discriminant analysis, to achieve the classification of two patterns. The code from the classic machine learning materials- model analysis of nuclear methods.)

先用gabor 小波滤波器,做特征提取，然后用支持向量机（SVM）做分类，来实现人脸检测.需要用matlab 2010 或更新的版本才能运行(the code is used for face detection.Firstly it use gabor wavelet filter for feature extraction,Secondly it use support vector machine (SVM）for classification.matlab 2010 required.)

利用古典显式差分格式求解抛物型偏微分方程(parabolic partial differential equation)

在emd中处理边界用到的一个程序，效果很不错。(Treatment of boundary in the emd used a program, the effect is very good.)

OFDM modulation to perform SDR

可以动态调节运行环境的参数，考虑雨衰 阴影 和多径影响，虚拟力的无线传感网络覆盖。( Can dynamically adjust the parameters of the operating environment, Consider shadow rain attenuation and multipath effects Virtual power wireless sensor network coverage.)

动态演示不同参数下的lorenz混沌吸引子(Dynamic playing the different parameter of the lorenz chaos attractor)

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This is a program that calculate the criptosystem Diffic Hellman