Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6523
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dc.contributorDepartment of Applied Mathematics-
dc.creatorFeng, Z-
dc.creatorYiu, CKF-
dc.creatorTeo, KL-
dc.creatorNordholm, S-
dc.date.accessioned2014-12-11T08:25:26Z-
dc.date.available2014-12-11T08:25:26Z-
dc.identifier.issn1687-6172-
dc.identifier.urihttp://hdl.handle.net/10397/6523-
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.rights© 2012 Feng et al; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en_US
dc.subjectAlgorithmsen_US
dc.subjectBeamformingen_US
dc.subjectDesignen_US
dc.subjectInteger programmingen_US
dc.titleDesign of broadband beamformers with low complexityen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage11-
dc.identifier.volume2012-
dc.identifier.doi10.1186/1687-6180-2012-62-
dcterms.abstractIn this article, we consider the design of broadband beamformers with low complexity. In fact, the design problem is multi-objective in nature, trading off between speech distortion and noise suppression. Finding a balance between these two objectives is important in order to achieve a desired sound quality. These measures are introduced as the objectives here. The design can then be obtained via a bi-objective integer programming problem, where the coefficients of the filters are expressed as sums of signed powers-of-two terms. We study two different integer spaces and penalty functions for solving the problem. Then, an algorithm based on a discrete filled function is developed for finding the optimal design. In order to illustrate the effectiveness of the algorithm, real data is used and two broadband beamformers are demonstrated.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationEURASIP Journal on advances in signal processing, 9 Mar. 2012, 2012:62, p. 1-11-
dcterms.isPartOfEURASIP journal on advances in signal processing-
dcterms.issued2012-03-09-
dc.identifier.isiWOS:000303402800001-
dc.identifier.scopus2-s2.0-84872905404-
dc.identifier.eissn1687-6180-
dc.identifier.rosgroupidr62006-
dc.description.ros2011-2012 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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