| 时间比对中时间间隔测量与频率源比相的关系及其应用 |
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| 引用本文： | 屈八一,周渭,李智奇,许建华,张超.时间比对中时间间隔测量与频率源比相的关系及其应用[J].宇航计测技术,2009,29(6):74-77. |
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| 作者姓名： | 屈八一 周渭 李智奇 许建华 张超 |
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| 作者单位： | 1. 西安电子科技大学281信箱,西安,710071
2. 电子测试技术国家科技重点实验室,青岛,266555 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 目前的时间比对中通常采用时间间隔测量仪作为测量仪器,在这种条件下时间间隔测量仪的分辨力制约时间比对的分辨力.分析了时间比对过程中的时间比对和频率源比相之间的关系,提出了利用频率源比相测量间接完成时间比对的思路并完成了验证上述思路的实验.指出了这种间接测量的优点.
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| 关 键 词： | 比相 时间比对 关系 应用 |
The Relation and Its Application Between Time Interval Measurement and Phase Comparison in the Process of Time Comparison |
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| QU Ba-yi,ZHOU Wei,LI Zhi-qi,XU Jian-hua,ZHANG Chao.The Relation and Its Application Between Time Interval Measurement and Phase Comparison in the Process of Time Comparison[J].Journal of Astronautic Metrology and Measurement,2009,29(6):74-77. |
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| Authors: | QU Ba-yi ZHOU Wei LI Zhi-qi XU Jian-hua ZHANG Chao |
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| Abstract: | At present a time interval counter is always used when doing time comparison and the time comparison's resolution is restricted by the time interval counter's resolution. The relation between the phase comparison and the time comparison is analysed. The time comparison result can be got from the frequency comparison result under some conditions. The analysis is proved by an experiment. The advantages of this indirect measurement are also shown. |
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| Keywords: | Phase comparison Time Comparison Relation Application |
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