A pulse coding and decoding strategy to perform Lamb wave inspections using simultaneously multiple actuators

•Simultaneous excitation of multiple transducers in guided wave structural health monitoring systems.•Damage imaging for spread spectrum coded pulses.•Warped cross-correlation for pulse compression and dispersion compensation. The performance of Lamb wave based monitoring systems, both in terms of d...

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Vydané v:	Mechanical systems and signal processing Ročník 91; s. 111 - 121
Hlavní autori:	De Marchi, Luca, Marzani, Alessandro, Moll, Jochen, Kudela, Paweł, Radzieński, Maciej, Ostachowicz, Wiesław
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Berlin Elsevier Ltd 01.07.2017 Elsevier BV
Predmet:	Actuation Actuators Anomalies Decoding Division Gold Lamb wave inspections Lamb waves Laser vibrometry Monitoring systems Piezoelectric transducers Piezoelectricity Signal processing Spread spectrum pulse coding Strategy Transducers Warped frequency transform Wave dispersion Wavelengths Wavenumber filtering Laser vibrometry Lamb wave inspections Wavenumber filtering Warped frequency transform Spread spectrum pulse coding
ISSN:	0888-3270, 1096-1216
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