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Article: Near-Field Broadband Beamformer Design via Multidimensional Semi-Infinite Linear Programming Techniques

TitleNear-Field Broadband Beamformer Design via Multidimensional Semi-Infinite Linear Programming Techniques
Authors
Yiu, KFCYang, XNordholm, STeo, KL
KeywordsCommunications
Computer applications
Issue Date2003
PublisherIEEE.
Citation
Ieee Transactions On Speech And Audio Processing, 2003, v. 11 n. 6, p. 725-732 How to Cite?
DOI: http://dx.doi.org/10.1109/TSA.2003.815527
AbstractBroadband microphone arrays has important applications such as hands-free mobile telephony, voice interface to personal computers and video conference equipment. This problem can be tackled in different ways. In this paper, a general broadband beamformer design problem is considered. The problem is posed as a Chebyshev minimax problem. Using the l1-norm measure or the real rotation theorem, we show that it can be converted into a semi-infinite linear programming problem. A numerical scheme using a set of adaptive grids is applied. The scheme is proven to be convergent when a certain grid refinement is used. The method can be applied to the design of multidimensional digital finite-impulse response (FIR) filters with arbitrarily specified amplitude and phase.
Persistent Identifierhttp://hdl.handle.net/10722/45298
ISSN
1063-6676
ISI Accession Number ID
WOS:000187960600021
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorYiu, KFCen_HK
dc.contributor.authorYang, Xen_HK
dc.contributor.authorNordholm, Sen_HK
dc.contributor.authorTeo, KLen_HK
dc.date.accessioned2007-10-30T06:22:12Z-
dc.date.available2007-10-30T06:22:12Z-
dc.date.issued2003en_HK
dc.identifier.citationIeee Transactions On Speech And Audio Processing, 2003, v. 11 n. 6, p. 725-732en_HK
dc.identifier.issn1063-6676en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45298-
dc.description.abstractBroadband microphone arrays has important applications such as hands-free mobile telephony, voice interface to personal computers and video conference equipment. This problem can be tackled in different ways. In this paper, a general broadband beamformer design problem is considered. The problem is posed as a Chebyshev minimax problem. Using the l1-norm measure or the real rotation theorem, we show that it can be converted into a semi-infinite linear programming problem. A numerical scheme using a set of adaptive grids is applied. The scheme is proven to be convergent when a certain grid refinement is used. The method can be applied to the design of multidimensional digital finite-impulse response (FIR) filters with arbitrarily specified amplitude and phase.en_HK
dc.format.extent1092826 bytes-
dc.format.extent3215 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Transactions on Speech and Audio Processingen_HK
dc.rights©2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectCommunicationsen_HK
dc.subjectComputer applicationsen_HK
dc.titleNear-Field Broadband Beamformer Design via Multidimensional Semi-Infinite Linear Programming Techniquesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1063-6676&volume=11&issue=6&spage=725&epage=732&date=2003&atitle=Near-field+broadband+beamformer+design+via+multidimensional+semi-infinite-linear+programming+techniquesen_HK
dc.identifier.emailYiu, KFC:cedric@hkucc.hku.hken_HK
dc.identifier.authorityYiu, KFC=rp00206en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TSA.2003.815527en_HK
dc.identifier.scopuseid_2-s2.0-0347968247en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0347968247&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume11en_HK
dc.identifier.issue6en_HK
dc.identifier.spage725en_HK
dc.identifier.epage732en_HK
dc.identifier.isiWOS:000187960600021-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYiu, KFC=24802813000en_HK
dc.identifier.scopusauthoridYang, X=25824522600en_HK
dc.identifier.scopusauthoridNordholm, S=7005690573en_HK
dc.identifier.scopusauthoridTeo, KL=35569785000en_HK
dc.identifier.issnl1063-6676-

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