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Signal processing techniques applied to ultrasonics NDE

Auteurs : DRAI Redouane, Khelil Mohamed, Benchaala Amar
Année : 2002
Domaine : Electronique
Type : Communication
Conférence: 8th European conference on NDT, Barcelone Juin 2002
Résumé en PDF : (résumé en pdf)
Fulltext en PDF : (.pdf)
Mots clés : Ultrasonics, time frequency, Wavelet transform, Flaw detection

Résumé :

In this paper, we contribute by the development of some signal processing techniques based on time frequency and wavelet transform in order to enhance the sensibility of flaw detection, to measure thin materails thickness and to characterize defects in nature (plan or volumic).