chap2_08_RELS

用matlab做图像处理的代码，主要是用函数处理图像(Image processing code)

Matlab中进行二维离散傅立叶变换,并显示频谱图的方法。(two version discreate Forier Transemation baced on MATLAB)

MATLAB是解释型语言,运行速度比较慢.本文探讨提高MATLAB程序运行效率的若干手段.(MATLAB is an interpreted language, run more slowly. Article explores improve the operating efficiency of the program MATLAB several means.)

生成一个正弦信号，并加入白噪声，得到正弦信号以及白噪声的混合信号，通过低通滤波器对白噪声进行处理(generate a sinusoidal signal, and add white noise, sinusoidal signal to be white noise and mixed-signal, through low-pass filter white noise processing)

BP神经网络预测数据，matlab实现。(BP(ANN)relize forecasts data,matlab.)

traonformada inversa de fourirer imagenes

metlab code for different filters

DTW-语音识别，是在matlab中做的，比较方便快捷了。(DTW-speech recognition, in matlab to do, the more convenient of the.)

Heat Equation with variable coefficients. Solution of the heat equation using point gauss method

p pi and pid control which is very important to control strategy .