| 引用本文: | 李垣陵,孙广富,欧钢,等.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.[点击复制] |
| LI Yuanling,SUN Guangfu,OU Gang,et al.A High Performance Measurement of Single Frequency's Initial Phase[J].Journal of National University of Defense Technology,2007,29(4):87-90, 99[点击复制] |
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| 高精度单频信号初相测量方法 |
| 李垣陵, 孙广富, 欧钢, 庄钊文 |
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(国防科技大学 电子科学与工程学院，湖南 长沙 410073)
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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。 |
| 关键词: 高精度 时钟初相 二重插值DFT Cramer-Rao界 |
| DOI： |
| 投稿日期：2007-03-20 |
| 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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| A High Performance Measurement of Single Frequency's Initial Phase |
| LI Yuanling, SUN Guangfu, OU Gang, ZHUANG Zhaowen |
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(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. |
| Keywords: high performance initial phase dual interpolated DFT Cramer-Rao bound |
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