| 针对长度变化测量的相位差方法 |
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| 引用本文： | 马京路,周渭,李智奇.针对长度变化测量的相位差方法[J].宇航计测技术,2008,28(4):1-3. |
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| 作者姓名： | 马京路 周渭 李智奇 |
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| 作者单位： | 1. 中国电子科技集团公司54所,河北,050081
2. 西安电子科技大学,西安,710071 |
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| 摘 要： | 线性相位比对的方法广泛地被用于频率标准的准确度和长期指标的比对中，这种方法在有条件的情况下也用于频标短期频率稳定度的测量。根据时间（相位）-空间的关系，这种方法还可用于高分辨力的长度及其变化量的测量。对长度变化测量的相位差方法的准确度及分辨力进行了探讨。
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| 关 键 词： | 相位 比较 频率基准 |
A Phase Comparison Method for Length Variation Measurement |
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| MA Jing-lu,ZHOU Wei,LI Zhi-qi.A Phase Comparison Method for Length Variation Measurement[J].Journal of Astronautic Metrology and Measurement,2008,28(4):1-3. |
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| Authors: | MA Jing-lu ZHOU Wei LI Zhi-qi |
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| Institution: | MA Jing-lu ZHOU Wei LI Zhi-qi(1. The 54^th Research Institute of China Electronics Technology Group Corporation, Hebei 050081; 2. Xidian University, Xian 710071 ) |
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| Abstract: | Linear Phase comparison method is used widely in the accuracy and long-term specifications measurement of frequency standards, and at a certain condition it can also be used in frequency stability measurement. Based on the relationship between time （phase）-space, the method will be used in high-resolution length and its variation measurement. The accuracy and resolution of phase comparison method in length variation measurement are analyzed. |
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| Keywords: | Fhase Comparison Frequency standard |
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