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精通mantlab7这本书的例子！1-5部分(Proficient mantlab7 examples of this book! Part 1-5)

Newton- Rapson method for optimization

该文件包含了一些常用的声辐射噪声的特征提取方法，包括波形的包络特征，高阶谱特征，分形维特征，奇异指数特征等。(The document contains some common acoustic feature extraction method of noise, including waveform envelope characteristics, higher order spectral features, characteristic of fractal dimension, singular index characteristics.)

激光雷达，干涉条纹解包裹，对从事激光合成孔径光学测量方向的人有用。(Laser radar, interference fringe unwrapping of synthetic aperture laser optical measurement in the direction of being useful to people.)

Hiroshi Harada s Communication System book codes

说明：  根据滤波器指标选择合适的窗函数，计算窗函数的长度N，调用MATLAB函数fir1设计一个FIR低通滤波器。并编写程序，调用MATLAB快速卷积函数fftfilt实现对xt的滤波。绘图显示滤波器的频响特性曲线、滤波器输出信号的幅频特性图和时域波形图。  (Select the appropriate indicators according to filter window function, calculate the length of window function N, called MATLAB function fir1 design a FIR low-pass filter. And programming, call MATLAB functions fftfilt achieve fast convolution filtering xt. Graphics filter frequency response curve, the filter output signal amplitude and frequency characteristics of maps and time-domain waveform.  )

基于形态学方法的图像分割文件，.m的源代码(Based on morphological image segmentation file,. M of the source code)

本程序用小波包3层分解把信号分解成8个频段的信号。(The procedures used 3 layer wavelet packet decomposition of the signal into the eight-band signal.)

feature reduction , pricipal component analysis,lda,... and other technics

灰狼优化算法，内附matlab程序与出处论文(Grey Wolf optimization algorithm with matlab program and source paper)