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用PCA在一组数维中找到主十得到主元分析，用于MACHINE LEARNING 中初步学习者(use pca find the principle component int the dataset)

说明：  文件夹中内容为《MATLAB7.x数字信号处理》书中实例源代码，代码说明参见该文件夹下的“程序说明.doc”文件。(The contents of the folder as &quot MATLAB7.x digital signal processing,&quot the book source code examples, code instructions see the folder under the &quot description of the procedures. Doc&quot file.)

it deals wid clour segmentation of rgb image.....

QPSK 在高斯信道下的调制解调的matlab仿真实现，可显示输入数据的波形表示，I支路和Q支路以及调制前、解调后、接收的波形、星座图等(In the Gaussian channel QPSK modulation and demodulation matlab Simulation, the waveform can be displayed, said input data, I branch and Q branch, and before modulation, demodulation, the received waveform, constellation, etc.)

包含代码的基于元胞自动机的人员疏散对冲模拟文章(Cellular Automata-based Room Evacuation Simulation Paper with Code)

重构Lorenz 时间序列的相空间图，并作分析(Lorenz time series reconstructed phase space, and for analysis)

这些都是些有关用matlab语言实现的小程序，主要是关于gui界面的(These are some of the matlab language with a small program focused mainly on the gui interface)

用于计算盒维数的程序，分形维数的一种,分形理论是近年热门(it is for capacity dimension, and the capacity dimension is one of the fractal dimensions。Fractal thoery is the heat tropic nowadays)

对信号进行分析，取得信号的频率，幅值等特性。利用MATLAB编程，界面友好(Analysis of the signal to obtain the signal frequency, amplitude and other characteristics. Using MATLAB programming, user-friendly)

matlab tutorial for dealing with files