| 几种AM信号数字化解调算法比较 |
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| 引用本文： | 张艺萌.几种AM信号数字化解调算法比较[J].现代电子技术,2011,34(17):125-128. |
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| 作者姓名： | 张艺萌 |
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| 作者单位： | 南京信息工程大学电子与信息工程学院,江苏南京,210044 |
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| 摘 要： | 数字信号与模拟信号相比有很多优点,因此信号的数字化处理应用越来越普遍.作为常用信号,幅度(AM)调制信号的数字化处理也会得到更广泛的运用.通过研究3种AM信号数字化解调的算法,给出相应的解调原理、公式推导以及系统模块；采用Matlab对一段信号采用3种方法分别进行仿真解调,并对结果进行比较.在原理分析与仿真结果的基础上...
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| 关 键 词： | 幅度调制 数字解调 解调算法 Matlab |
Comparison of Digitized Demodulation Algorithms for AM Signal |
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| ZHANG Yi-meng.Comparison of Digitized Demodulation Algorithms for AM Signal[J].Modern Electronic Technique,2011,34(17):125-128. |
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| Authors: | ZHANG Yi-meng |
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| Institution: | ZHANG Yi-meng(Nanjing University of Information Science and Technology,Nanjing 210044,China) |
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| Abstract: | Compared with analog signals,digital signals have many advantages,so the digital signal processing is popularly applied,and the digitized processing of the common amplitude modulated(AM) signal will be widely used in digital algorithms.The demodulation principle,formula derivation and system module are offered after study on three algorithms of AM signal digitized demodulation.The simulated demodulation of digital AM signal is carried out by three methods with Matlab.The advantages,disadvantages and applica... |
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| Keywords: | amplitude modulation digital demodulation demodulation algorithm Matlab |
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