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Title
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Acoustic source identification using a generalized weighted inverse beamforming technique
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Author
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Abstract
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| In thelastyears,acousticsourceidentificationhasgainedspecialattention,mainlydue to newenvironmentalnorms,urbanizationproblemsandmoredemandingacoustic comfortexpectationofconsumers.Fromthecurrentmethods,beamformingtechniques are ofcommonuse,sincenormallydemandsaffordabledataacquisitioneffort,while producingclearsourceidentificationinmostoftheapplications.Inordertoimprove the sourceidentificationquality,thisworkpresentsamethod,basedontheGeneralized InverseBeamforming,thatusesaweightedpseudo-inverseapproachandanoptimiza- tion procedure,calledWeightedGeneralizedInverseBeamforming.Tovalidatethis method,asimplecaseoftwocompactsourcesinclosevicinityincoherentradiation was investigatedbynumericalandexperimentalassessment.Weightedgeneralized inverse resultsarecomparedtotheonesobtainedbytheconventionalbeamforming, MUltipleSignalClassification,andGeneralizedInverseBeamforming.Attheend,the advantagesoftheproposedmethodareoutlinedtogetherwiththecomputationaleffort increasecomparedtotheGeneralizedInverseBeamforming. |
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Language
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English
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Source (journal)
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Mechanical systems and signal processing. - London
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Publication
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London
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2012
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ISSN
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0888-3270
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DOI
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10.1016/J.YMSSP.2012.06.019
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Volume/pages
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32
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(2012)
, p. 349-358
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ISI
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000308783100026
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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