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The detection of transient behaviour in environmental vibration for the Watt balance

Jiang, Xiang, Zeng, Wenhan, Smith, I., Scott, Paul J. and Maletras, F. (2007) The detection of transient behaviour in environmental vibration for the Watt balance. Measurement Science and Technology, 18 (5). pp. 1487-1494. ISSN 0957-0233

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Abstract

The detection of transient behaviour in environmental vibration data is an important issue when considering the precision of the Watt balance, an electromechanical apparatus for the new definition of the kilogram in the International System of Units (SI). In this paper, the authors have developed a two-stage method for the analysis of large numbers of datasets containing measured vibration data. In the first stage, all the datasets are explored and statistical methods used to identify those datasets that potentially contain transient events. In the second stage, the transient events are separated from the background noise. This stage is implemented using a biorthogonal wavelet technique with Bayesian denoising.

Item Type: Article
Additional Information: UoA 25 (General Engineering)
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
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Depositing User: Briony Heyhoe
Date Deposited: 24 Jun 2008 15:37
Last Modified: 02 Dec 2010 13:51
URI: http://eprints.hud.ac.uk/id/eprint/871

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