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这是matlab灰度差程序，其中包含阈值的获得和镜头突变的检测，适合初学者(This is a gray-scale difference matlab program, which includes access to the threshold of detection of mutations and lens, suitable for beginners)

Code to find the speech beginning using rabiner method

LDPC编码的C语言实现。包括校验矩阵，生产矩阵的生成，编码，译码等。(LDPC coding in C language. Including the parity matrix, matrix production generation, encoding, decoding and the like.)

matlab source for Simulated annealing solving ftv170.atsp

用MATLAB实现的Huffman编码的程序，可以很方便地实现无损压缩(MATLAB Huffman coding procedures, it is easy to achieve lossless compression)

先进PID控制MATLAB仿真（第二版）程式 光盘使用说明 1、所有仿真算法按章归类，光盘中的程序名与书中一一对应。 2、将光盘中的仿真程序复制到硬盘MATLAB运行的路径中，便可仿真运行。 3、本书算法在MATLAB 5.3版下运行成功，并适用于其他版本。 4、程序chap1_11.mdl；chap3_2.mdl；chap3_5.mdl；chap6_2.mdl；chap6_4.mdl需要在Matlab6.5下运行，特此说明。 5、假如您对仿真程序有疑问，请及时通过 E-mail 与作者联系。 北京航空航天大学 刘金琨 E-mail 地址： ljk@dept3.buaa.edu.cn或ljk@buaa.edu.cn

I THINK THAT ALL WHAT I WANT IS THIS

运用谱减法，对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)

KPCA主要在图像去噪声方面有应用。此外还可以进行特征提取，降维使用.(KPCA major noise in the image to have the application. You can also feature extraction using dimension reduction.)

各种chaos相图和相关时序图，比如logistic等(Various chaos phase diagram and related timing diagram，Such as logistic , etc.)