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- W2393676476 abstract "Under the assumption that a simply supported rectangular plate is an analytical model,firstly the relationship between structural surface volume velocity and sound power radiated by the plate is analyzed in the wave-number domain,and the mathematical expressions indicating the contribution proportion of structural mode to the volume velocity is derived.Based on these results,combined with charge output equation of the PVDF piezoelectric film and orthogonal property of trigonometric function,a novel design methodology for volume velocity sensor is presented,and an experiment for measuring structural volume velocity on a concrete model is conducted.The results show that the distributed volume velocity sensor has a better sensing accuracy.The validity of this approach is further verified.It is also observed that the deflections of the PVDF sensor shaping and bonding position have obvious effect on sensing accuracy,and the extent of effect on sensing under different excited conditions is different." @default.
- W2393676476 created "2016-06-24" @default.
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- W2393676476 date "2008-01-01" @default.
- W2393676476 modified "2023-09-26" @default.
- W2393676476 title "Experimental study on measurement of structural surface volume velocity based on distributed piezoelectric sensor" @default.
- W2393676476 hasPublicationYear "2008" @default.
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