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《Journal of Hefei University of Technology(Natural Science)》 2000-06
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An improvement of signal processing method based on DFT for Coriolis mass flowmeter

YU Cui xin, XU Ke jun, LIU Jia jun (School of Electrical Engineering, Hefei University of Technology, Hefei 230009, China)  
Coriolis mass flowmeter is a type of the mass flow measuring meters,and one of its main problems is that the precision of its signal processing method is influenced by noises, and DFT based method had been adopted for solving the problem.In this article, the DFT based signal processing method is improved, and a kind of frequency tracking method that is easy to be used and more accurate is proposed, thus the precision of digital signal processing is ensured.
【Fund】: 机械工业技术发展基金资助项目! (97JA2 0 0 4)
【CateGory Index】: TH814.6
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