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Indexed by:期刊论文

Date of Publication:2022-06-28

Journal:福建建设科技

Issue:5

Page Number:25-26,54

ISSN No.:1006-3943

Abstract:Structure damage location based on Lamb waves mostly depend on the exact time of arrival ( TOA) or time difference of arrival ( TDOA) , in which time difference measurement has great effect on the location precision.Using a sensor network arrays and Hilbert trans-form signal processing technique, the beam forming algorithm was applied to active Lamb waves-based damage detection and location in this paper.Results verified by finite element simulation show that the proposed method can locate and show the damage position effectively.

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