Lecture9_exc_2

截取语音处理的图片设计滤波器，并对被噪声污染的语音信号进行滤波，画出滤波前 后信号的时域波形和频谱，并进行比较分析； (The statics is very good for the semaster)

说明：  此程序可用于PLS，PCR的定量测定，主要用于化学定量分析，非常实用(This procedure can be used for PLS, PCR quantitative measurement, mainly for chemical quantitative analysis, very useful)

播放音乐，利用matlab来播放音乐，很好的一个代码(music play)

gauss jordan multiplication with MPI

人脸表情识别，稀疏表示，人脸表情图片，表情库。matlab程序实现，绝对可以调试运行。 毕业设计内容。(Facial expression recognition, sparse representation, facial expression, facial expression . Matlab programming, can debug the operation. Graduation design content.)

说明：  matlab语言的算法大全，有插值，函数逼近，数值积分等等算法。(Guinness algorithm matlab language, there are interpolation, function approximation, numerical integration algorithm and so on.)

Functions for 1D and 2D Gabor Filtering with the parameters as Centre Frequencies (u,v) and the Scale (sigmax,sigmay) of the Gabor Filter

语音回声消除的RLS算法，空间传递函数自己模拟(echo cancellation RLS algorithm)

TDOA code for position location

说明：  用数字滤波器进行脑电信号处理，可以滤除脑电信号中的无用成分，达到对脑电信号去噪的效果。(Brain with digital signal processing filter can filter out unwanted components in the EEG, to the effect on EEG denoising.)