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利用Matlab进行语音信号滤波和去噪，仅供参考(Using Matlab voice signal filtering and de-noising for reference purposes only)

计算Mie散射过程中粒子的吸收系数，对研究粒子散射问题有帮助(calculated Mie scattering particles in the process of absorption, scattering particle research help)

MATLAB MLP Backprop Code

基于认知无线电的扩跳频通信信号的调制识别(Hopping spread based on cognitive radio communication signal modulation recognition)

BPSK和QPSK的调制程序，完全按照通信原理书上的步骤做的，仿真结果正确(BPSK_QPSK_Modulation)

说明：  matlab的qpsk-fading的程序代码 是初学者的福音(The qpsk-fading matlab program code is the gospel for beginners)

This toolbox was written for my own education and to give me a chance to explore the models a bit. It is NOT intended for any serious applications and it does not NOT do many of things you would want a mature implementation to do, like leaf pruning. If you wish to use a strong implementation I recommend Scikit Learn / Python. For Matlab I do not really have a recommendation.

说明：  关于OFDM系统仿真分析，使用16QAM调制解调，包括加窗、傅里叶变换。(For simulation analysis of OFDM system, 16QAM modulation and demodulation are used, including windowing and Fourier transform.)

matlab中实现三维空间中一点绕一条直线旋转的程序，输入一点，一条直线和一个角度，输出旋转后的点。(Three-dimensional space, matlab point in a straight line rotating around the program, enter the point, a straight line and a point of view, the output after the point of rotation.)

纹理特征提取 garbo小波技术实现纹理特征提取(texture based on Gabor)