| 基于滤波和平方的前馈式定时误差检测算法比较 |
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| 引用本文： | 陈大海,张健.基于滤波和平方的前馈式定时误差检测算法比较[J].太赫兹科学与电子信息学报,2004,2(4):263-266. |
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| 作者姓名： | 陈大海 张健 |
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| 作者单位： | 1. 中国工程物理研究院,电子工程研究所,四川,绵阳,621900;电子科技大学,电子工程学院,四川,成都,610054
2. 中国工程物理研究院,电子工程研究所,四川,绵阳,621900 |
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| 摘 要： | 介绍了三种基于滤波和平方的前馈式定时误差检测算法，比较了它们的结构和计算复杂度，并以QPSK信号为例建立了MATLAB仿真模型，比较了它们的检测性能，包括S曲线和定时估计方差，从中得出了一些有益的结论。
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| 关 键 词： | 信息处理技术 前馈式定时误差恢复 全数字接收机 S曲线 定时方差 |
| 文章编号： | 1672-2892(2004)04-0263-03 |
| 修稿时间： | 2004年7月19日 |
Comparison of Feedforward Timing Error Detection Algorithms Based on Digital Filtering and Squaring |
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| CHENDa-hai,ZHANG Jian.Comparison of Feedforward Timing Error Detection Algorithms Based on Digital Filtering and Squaring[J].Journal of Terahertz Science and Electronic Information Technology,2004,2(4):263-266. |
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| Authors: | CHENDa-hai ZHANG Jian |
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| Abstract: | In this paper, two feedforward timing error detection algorithms based on digital filtering and squaring are compared, including their structure as well as computation complexity. In addition, taking QPSK signals as an example, a MATLAB model has been set up to compare their detection performance, including S-curve and timing variance, from which some valuable conclusions can be been drawn. |
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| Keywords: | information processing technology feedforward timing recovery all digital receiver S-curve timing variance |
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