About: Holographic reconstruction of an incident field assuming the spherical waves scattered by a rigid sphere

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper deals with the reconstruction of an acoustic field in the near-field around a rigid sphere using Near-field Acoustical Holography (NAH) based on an expansion in terms of the spherical harmonics. By employing the rigid sphere providing stable inversion of the propagation function one has to take into account the scattering effect that could significantly affect the total field around the sphere. This effect is commonly accounted for the separation of the incident and scattered field from the total measured field. In applications performing sound field reconstruction by NAH, the presence of source in the near-field of the sphere is to be expected. In this study, such a source in the near-field is considered and a method for determination of the source distance is examined. We consider the spherical waves scattered by a rigid spherical surface for the separation and subsequent reconstruction of the only incident field in this paper. The results are presented in a model simulation. This paper deals with the reconstruction of an acoustic field in the near-field around a rigid sphere using Near-field Acoustical Holography (NAH) based on an expansion in terms of the spherical harmonics. By employing the rigid sphere providing stable inversion of the propagation function one has to take into account the scattering effect that could significantly affect the total field around the sphere. This effect is commonly accounted for the separation of the incident and scattered field from the total measured field. In applications performing sound field reconstruction by NAH, the presence of source in the near-field of the sphere is to be expected. In this study, such a source in the near-field is considered and a method for determination of the source distance is examined. We consider the spherical waves scattered by a rigid spherical surface for the separation and subsequent reconstruction of the only incident field in this paper. The results are presented in a model simulation. (en)
Title	Holographic reconstruction of an incident field assuming the spherical waves scattered by a rigid sphere Holographic reconstruction of an incident field assuming the spherical waves scattered by a rigid sphere (en)
skos:prefLabel	Holographic reconstruction of an incident field assuming the spherical waves scattered by a rigid sphere Holographic reconstruction of an incident field assuming the spherical waves scattered by a rigid sphere (en)
skos:notation	RIV/68407700:21230/13:00210031!RIV15-MSM-21230___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Koutný, Adam Jiříček, Ondřej
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	77966
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00210031
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Near-field Acoustical Holography; Spherical Array Measurement; Spherical Harmonics (en)
http://linked.open.../riv/klicoveSlovo	Near-field Acoustical Holography Spherical Array Measurement Spherical Harmonics
http://linked.open...ontrolniKodProRIV	[CE6AFF03B2C0]
http://linked.open...v/mistoKonaniAkce	Innsbruck
http://linked.open...i/riv/mistoVydani	Vienna
http://linked.open...i/riv/nazevZdroje	Proceedings of Inter-noise 2013
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Jiříček, Ondřej Koutný, Adam Thomas, J.-H.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-09-15 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Austrian Noise Abatement Association
https://schema.org/isbn	978-1-63266-267-5
http://localhost/t...ganizacniJednotka	21230

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