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Basics of Nonlinear Time Reversal Acoustics
Ansvarlig organisasjon
2009 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert) Published
Abstract [en]

An investigation of time reversal of nonlinear and non-dissipative or dissipative plane sound waves was made. Propagation and back propagation is time reversal invariant only when the dissipation is zero and the wave has not been shocked. A wave that has shocked has irretrievably lost part of its content. Still, if the wave and its derivatives are considered continuous there remain in theory forever information about the original signal. Factors like numerical accuracy and noise naturally set limits in practical situations.

sted, utgiver, år, opplag, sider
Vaxjo, SWEDEN: AMER INST PHYSICS , 2009.
Emneord [en]
Acoustic time reversal, acoustic back propagation, nonlinear attenuation, shock front reversal
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-8200ISI: 000264867300018Lokal ID: oai:bth.se:forskinfoAF11D69687875569C12575B00020C7BBISBN: 978-0-7354-0643-8 (tryckt)OAI: oai:DiVA.org:bth-8200DiVA, id: diva2:835889
Konferanse
3rd Conference on Mathematical Modeling of Wave Phenomena/20th Nordic Conference on Radio Science and Communications
Tilgjengelig fra: 2012-09-18 Laget: 2009-05-08 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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Hedberg, Claes

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Totalt: 69 treff
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