5injdown2009061a

基于小波变换和PCA面部识别，基于小波和神经网络的简单有效的人脸识别源代码。(Wavelet transform and PCA face recognition,Simple and Effective Source Code for Face Recognition Based on Wavelet and Neural Networks.)

又一个老外写的关于OFDM-Tutorial_Analysis文章，并附有程序，对学习OFDM仿真很有帮助(Written by another foreigner on the OFDM-Tutorial_Analysis article, together with the procedures of OFDM simulation study helpful)

这是一个有关于对信号处理的matlab的程序代码，里面详细描述了关于信号的处理(This is a signal processing matlab on the program code, which describes in detail the signal processing on)

研究人类视觉处理机制的有用代码，包括测试程序，特征提取，结果显示等有用 matlab代码，值得共同研究(Pca algorithm useful for human visual processing code)

bpsk,qpsk等的误码率比较程序，可直接运行 (bpsk, qpsk comparison procedures such as bit error rate can be directly run)

采用有限差分方法模拟计算高斯光束在自由空间传播过程。(Simulation using the finite difference method of Gaussian beams in free space propagation.)

三种语音增强算法的源程序，可以播放处理前后的语音，谱相减法，滤波器法及最小均方误差法(Three speech enhancement algorithm of the source can be played before and after voice spectral subtraction filter method and the minimum mean square error method)

说明：  MATLAB CODES FOR DPCM SPEECH CODING TECHNIQUES

指纹识别，已是现在科学最发达的技术之一，个人辛苦制作，毕业设计等必备(Fingerprint identification, is now one of science' s most advanced technology, personal hard production, graduation and other necessary)

radiation pattern of monopole