| 应用于被动氢钟的简单滤波器实现 |
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| 引用本文： | 徐文,李玉莹,刘铁新.应用于被动氢钟的简单滤波器实现[J].中国科学院上海天文台年刊,2011(0). |
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| 作者姓名： | 徐文 李玉莹 刘铁新 |
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| 作者单位： | 中国科学院上海天文台;中国科学院研究生院; |
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| 摘 要： | 在被动型氢原子钟数字伺服电路中,使用FPGA对误差信号进行数字信号处理。设计了一种简单的低通滤波器,与传统的FIR滤波器相比,节省了FPGA的使用资源,并且性能优于传统滤波器,能够很好地应用于被动型氢钟。
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| 关 键 词： | 被动型氢钟 数字伺服 移动平均滤波器 |
The Realization of a Simple Filter for Passive Hydrogen Maser |
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| XU Wen,LI Yu-ying.The Realization of a Simple Filter for Passive Hydrogen Maser[J].Annals of Shanghai Observatory Academia Sinica,2011(0). |
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| Authors: | XU Wen LI Yu-ying |
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| Institution: | XU Wen~(1,2),LI Yu-ying~(1,LIU Tie-xin~1 (1.Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,2.Graduate School of Chinese Academy of Sciences,Bejing 100049) |
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| Abstract: | In digital servo circuit of passive hydrogen maser,FPGA is used as digital signal processing for the error signal.A simple filter is designed,and compared with classic FIR filter,it saves a large resource of FPGA,and it is better than the traditional filter in performance,and is suitable for application in passive hydrogen maser. |
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| Keywords: | Passive hydrogen maser Digital servo Moving average filter |
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