About: Nonlinear elastic wave spectroscopy in symbiosis with time reversal for localization of defects: TR-NEWS     Goto   Sponge   NotDistinct   Permalink

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  • Using the symmetry invariance and reciprocity the classical NEWS methods are supplemented and improved by practically elaborated TR-NEWS procedure having the intrinsic property of enlarging frequency analysis bandwidth. Coded excitations have been generalized using Symmetry Analysis ESAM (Excitation Symmetry Analysis Method), including also the chirp-coded excitation, which improves the signal to noise ratio and enables harmonic imaging of complex specimen. In this paper, we propose a new NDT application of the above approaches implemented on a composite specimen with adhesive joints. The calibrated chirp-coded TR-NEWS imaging of the sample is obtained by using the symmetrical excitations, and pre- and post- signal processing. Localization of the scatterer is illustrated on 2D plot.
  • Using the symmetry invariance and reciprocity the classical NEWS methods are supplemented and improved by practically elaborated TR-NEWS procedure having the intrinsic property of enlarging frequency analysis bandwidth. Coded excitations have been generalized using Symmetry Analysis ESAM (Excitation Symmetry Analysis Method), including also the chirp-coded excitation, which improves the signal to noise ratio and enables harmonic imaging of complex specimen. In this paper, we propose a new NDT application of the above approaches implemented on a composite specimen with adhesive joints. The calibrated chirp-coded TR-NEWS imaging of the sample is obtained by using the symmetrical excitations, and pre- and post- signal processing. Localization of the scatterer is illustrated on 2D plot. (en)
Title
  • Nonlinear elastic wave spectroscopy in symbiosis with time reversal for localization of defects: TR-NEWS
  • Nonlinear elastic wave spectroscopy in symbiosis with time reversal for localization of defects: TR-NEWS (en)
skos:prefLabel
  • Nonlinear elastic wave spectroscopy in symbiosis with time reversal for localization of defects: TR-NEWS
  • Nonlinear elastic wave spectroscopy in symbiosis with time reversal for localization of defects: TR-NEWS (en)
skos:notation
  • RIV/61388998:_____/09:00334347!RIV10-AV0-61388998
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(FR-TI1/274), P(GA106/07/1393), Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 329710
http://linked.open...ai/riv/idVysledku
  • RIV/61388998:_____/09:00334347
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • nonlinear elastic wave spectroscopy(NEWS); ESAM; time reversal (TR); TR-NEWS imaging; tomography (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [28A26F4052BB]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • NDT in PROGRESS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Převorovský, Zdeněk
  • Dos Santos, S.
  • Vejvodová, Šárka
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Vysoké učení technické v Brně
https://schema.org/isbn
  • 978-80-214-3968-9
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