| 高精度单频信号初相测量方法 |
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| 引用本文： | 李垣陵,孙广富,欧钢,庄钊文. 高精度单频信号初相测量方法[J]. 国防科技大学学报, 2007, 29(4): 87-90, 99 |
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| 作者姓名： | 李垣陵 孙广富 欧钢 庄钊文 |
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| 作者单位： | 国防科技大学,电子科学与工程学院,湖南,长沙,410073 |
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| 基金项目： | 教育部新世纪优秀人才支持计划项目(NCET-04-0995) |
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| 摘 要： | 提出了一种基于误差知识的二重插值DFT方法用于高精度时钟初相测量。理论分析与数值仿真结果表明,该方法性能接近Cramer-Rao界。
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| 关 键 词： | 高精度 时钟初相 二重插值DFT Cramer-Rao界 |
| 文章编号： | 1001-2486(2007)04-0087-04 |
| 收稿时间： | 2007-03-20 |
| 修稿时间： | 2007-03-20 |
A High Performance Measurement of Single Frequency's Initial Phase |
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| LI Yuanling,SUN Guangfu,OU Gang and ZHUANG Zhaowen. A High Performance Measurement of Single Frequency's Initial Phase[J]. Journal of National University of Defense Technology, 2007, 29(4): 87-90, 99 |
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| Authors: | LI Yuanling SUN Guangfu OU Gang ZHUANG Zhaowen |
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| Affiliation: | College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China;College of Electronic Science and Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | A high performance measurement of initial phase via a Dual Interpolated DFT method based on error information is presented.Theory analysis and numerical simulation results all indicate that the performance of the method is close to the Cramer-Rao Bound. |
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| Keywords: | high performance initial phase dual interpolated DFT Cramer-Rao bound |
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