| QAM调制技术及其MATLAB仿真 |
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| 引用本文： | 杨辉媛,李云红,涂成军.QAM调制技术及其MATLAB仿真[J].微计算机信息,2010(13). |
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| 作者姓名： | 杨辉媛 李云红 涂成军 |
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| 作者单位： | 吉首大学物理科学与信息工程学院; |
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| 摘 要： | 文章首先概述了QAM调制技术的原理,然后重点介绍了QAM调制技术在有线电视系统中的作用和意义,并且对QAM的频道设置和输出进行了说明。文章还利用MATLAB对基于QAM的数字通信系统进行仿真,得到了良好效果的接收星座图和补偿后的星座图、信道估计图、系统BER分析图。仿真结果表明这种通过MATLAB实现的数字通信系统具有较强的可实现性,为实际应用和科学合理地设计正交幅度调制系统,提供了高效的仿真平台。
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| 关 键 词： | 调制 QAM MATLAB |
The Modulation Technology of QAM And The Simulation in Matlab |
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| YANG Hui-yuan LI Yun-hong TU Cheng-jun.The Modulation Technology of QAM And The Simulation in Matlab[J].Control & Automation,2010(13). |
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| Authors: | YANG Hui-yuan LI Yun-hong TU Cheng-jun |
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| Abstract: | This article has outlined digital communication system's composition and communications system's quality requirement,and introduced range keying (ASK) modulation,frequency shift keying (FSK) modulation,phase shift keying (PSK) modulation,quadrature amplitude (QAM) modulation covers a wide variety of digital modulation technology,and elaborated the QAM modulating technology mechanism in detail.The QAM modulating technology with emphasis has been Introduced in wired television system's function and the signif... |
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| Keywords: | Modulation QAM MATLAB |
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