| 科氏流量计信号处理中频率跟踪方法的研究 |
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| 引用本文： | 徐科军,姜汉科,苏建徽,陈荣保. 科氏流量计信号处理中频率跟踪方法的研究[J]. 计量学报, 1999, 20(4): 304-307 |
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| 作者姓名： | 徐科军 姜汉科 苏建徽 陈荣保 |
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| 作者单位： | 合肥工业大学自动化所 |
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| 摘 要： | 采用ＤＦＴ方法处理科氏质量流量计的信号是项新技术。本提出一种频率跟踪方法，可以在不过零开始采样的情况下，实现整周期采样，保证频率和相位差测量的精度，仿真结果说明了本方法的有效性。
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| 关 键 词： | 科氏流量计 信号处理 频率跟踪 质量流量计 |
Research on Frequency Tracking Method in Signal Processing of Coriolis Mass Flowmeter |
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| Xu Kejum,Jiang Hanke,Su Jianhui,Chen Rongbao. Research on Frequency Tracking Method in Signal Processing of Coriolis Mass Flowmeter[J]. Acta Metrologica Sinica, 1999, 20(4): 304-307 |
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| Authors: | Xu Kejum Jiang Hanke Su Jianhui Chen Rongbao |
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| Affiliation: | Xu Kejum,Jiang Hanke,SuJianhui,Chen Rongbao;(Hefei University of Technology,Hefei 230009) |
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| Abstract: | It is a new kind of technique that the signals of Coriolis mass flowmeter is processed by means of DFT method.A frequency tracking method is proposed .The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference.The results of simulation have proven the effectiveness of the method presented in this paper. |
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| Keywords: | Coriolis mass flowmeter Signal processing Frequency tracking |
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