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Titolo:
Ultrasonic imaging using spatio-temporal matched field (STMF) processing -Applications to liquid and solid waveguides
Autore:
Ing, RK; Fink, M;
Indirizzi:
Univ Denis Diderot, Lab Ondes & Acoust, ESPCI, F-75231 Paris 05, France Univ Denis Diderot Paris France 05 oust, ESPCI, F-75231 Paris 05, France
Titolo Testata:
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
fascicolo: 2, volume: 48, anno: 2001,
pagine: 374 - 386
SICI:
0885-3010(200103)48:2<374:UIUSMF>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
TIME-REVERSAL MIRROR; PHASE-CONJUGATION; WAVE-GUIDE; ACOUSTICS; OCEAN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Ing, RK Univ Denis Diderot, Lab Ondes & Acoust, ESPCI, F-75231 Paris 05, France Univ Denis Diderot Paris France 05 PCI, F-75231 Paris 05, France
Citazione:
R.K. Ing e M. Fink, "Ultrasonic imaging using spatio-temporal matched field (STMF) processing -Applications to liquid and solid waveguides", IEEE ULTRAS, 48(2), 2001, pp. 374-386

Abstract

This paper is devoted to imaging defects in liquid and solid ultrasonic waveguides. A new ultrasonic imaging technique, based on the spatio-temporal Green functions computation and cross-correlation, is presented. This technique extends the concept of matched field processing (MFP) used in ocean acoustics. Results of experiments conducted in water and in a solid Duraluminbar show that a strong improvement of the spatial resolution is observed with this MFP.

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Documento generato il 24/09/20 alle ore 02:39:26