izpis_h1_title_alt

Time-delay estimation of acoustic emission signals using ICA
Kosel, Tadej (Avtor), Grabec, Igor (Avtor), Kosel, Franc (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://www.elsevier.com/gej-ng/10/42/18/71/27/80/abstract.html Novo okno

Izvleček
Acoustic emission (AE) analysis is used for characterization and location of developing defects in materials. AE sources often generate a mixture of various statistically independent signals. One difficult problem of AE analysis is the separation and characterization of signal components when the signals from various sources and the way in which the signals were mixed are unknown. Recently, blind source separation by independent component analysis (ICA) has been used to solve these problems. The main purpose of this paper is to demonstrate the applicability of ICA to time-delay (T-D) estimation of two independent continuous AE sources on an aluminum beam. It is shown that it is possible to estimate T-Ds by ICA, and thus to locate two independent simultaneously emitted sources.

Jezik:Angleški jezik
Ključne besede:acoustic emission, blind source separation, independent component analysis
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2002
Št. strani:str. 303-306
Številčenje:Vol. 40, no. 1/8
UDK:534
ISSN pri članku:0041-624X
COBISS.SI-ID:5253915 Povezava se odpre v novem oknu
Število ogledov:482
Število prenosov:134
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
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Gradivo je del revije

Naslov:Ultrasonics
Skrajšan naslov:Ultrasonics
Založnik:Butterworth Scientific
ISSN:0041-624X
COBISS.SI-ID:26569728 Novo okno

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