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该软件可以解析声音信号中的dtmf编码，值得下载一试。(The software can resolve the dtmf encoding sound signals)

matlab电力电子技术仿真的实现，真的很实用，帮了我很多，现在跟大家分享(matlab simulation of power electronic technology to achieve, really practical, helped me a lot to share with you now)

D3DXMatrixRotationAxis 数学原理解析 Axis To Axis 的矩阵生成 介绍广告版的复杂搭建 原理 附录 Matlab 和 C++ 代码 (D3DXMatrixRotationAxis mathematical theory of matrix analysis Axis To Axis generate complex structures introduced principles of billboards Appendix Matlab and C++ code)

利用Matlab进行卫星通信多普勒频偏仿真(Using Matlab to satellite communications doppler frequency simulation)

matlab 信号处理工具箱，信号系统模型，线性非线性模型(matlab signal-processing-toolbox)

说明：  这份资料是关于MATLAB的初级介绍，对于初学者非常实用，如果想快速学会使用matlab,建议大家先看看这份资料。谢谢！(This information is on the MATLAB primary introduction is very useful for beginners, if you want to quickly learn how to use matlab, suggest that you take a look at this information. Thank you!)

滤波器设计是信号处理的核心问题之一,Matlab软件在多个研究领域都有着广泛的应用。 本文介绍了基于Matlab环境下,用窗函数设计法实现FIR数字滤波器的设计,并阐述了与以前人 们常用的设计方法的区别,给出了设计实例。仿真结果表明,设计结果的各项性能指标均达到指定 要求,且设计过程简便易行。 (The design of filters is a core problem in signal processing. MATLAB software iswidely used inmany research fields. This article introduces themethod ofusingwindow function to design FIR digital filters based onMATLAB and its differences from the tradi- tional designmethods. And itgives a design example. The simulation shows that the design results canmeet the requirements verywell and the design procedure is very simple and practica.l )

Exchange rate changes

关于麦克风阵列信号处理，根据声波传达理论，利用多个麦克风收集的信号可以将某一方向传来的声音增强或抑制，通过改变权值来改变某一方向的信号的接收强弱(About microphone array signal processing , according to the theory of sound waves to communicate using signals multiple microphones to collect a certain direction came the sound can be enhanced or inhibited by changing the weights to change the receive signal strength in a certain direction )

pcap 截获dns 的一个示例DEMO 。可以下载来学习一下(pca dnsnsdflk)