| 利用数字伺服实现被动型氢钟单频锁定 |
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| 引用本文： | 李玉莹,刘铁新. 利用数字伺服实现被动型氢钟单频锁定[J]. 宇航计测技术, 2011, 31(2): 31-33 |
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| 作者姓名： | 李玉莹 刘铁新 |
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| 作者单位： | 1. 中国科学院上海天文台,上海,200030;中国科学院研究生院,北京,100039
2. 中国科学院上海天文台,上海,200030 |
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| 摘 要： | 介绍了一种用于被动型氢钟单频调制的数字伺服电路,实现了系统的锁定,测试了中短期稳定度。最后分析了D/A的位数对其稳定度的影响。
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| 关 键 词： | 氢钟 单频调制 数字伺服电路 |
Digital Servo to Single Frequency locking of Passive Hydrogen Maser |
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| LI Yu-ying,LIU Tie-xin. Digital Servo to Single Frequency locking of Passive Hydrogen Maser[J]. Journal of Astronautic Metrology and Measurement, 2011, 31(2): 31-33 |
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| Authors: | LI Yu-ying LIU Tie-xin |
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| Affiliation: | LI Yu-ying1,2 LIU Tie-xin1(1.Shanghai Astronomical Observatory,Chinese Academy of Science,Shanghai 200030,2.Graduate School of Chinese Academy of Science,Beijing 100049) |
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| Abstract: | A digital servo used in single frequency modulation of passive hydrogen maser is introduced.Closed loop locked of the system has been done and the short-term frequency stability has been tested too.At end the influence on frequency stability of the bits of D/A has been analyzed. |
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| Keywords: | Hydrogen maser Single frequency modulation Digital servo circuit |
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