Approximate computation of DFT without performing any multiplications: application to radar signal processing

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buir.contributor.authorÇetin, A. Enis
buir.contributor.orcidÇetin, A. Enis|0000-0002-3449-1958
dc.citation.epage853en_US
dc.citation.spage850en_US
dc.contributor.authorArslan, Musa Tunçen_US
dc.contributor.authorBozkurt, Alicanen_US
dc.contributor.authorSevimli, Rasim Akınen_US
dc.contributor.authorAkbaş, Cem Emreen_US
dc.contributor.authorÇetin, A. Enisen_US
dc.coverage.spatialTrabzon, Turkeyen_US
dc.date.accessioned2016-02-08T11:55:21Z
dc.date.available2016-02-08T11:55:21Z
dc.date.issued2014en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 23-25 April 2014en_US
dc.descriptionConference Name: 22nd Signal Processing and Communications Applications Conference, SIU 2014en_US
dc.description.abstractIn many radar problems it is not necessary to compute the ambiguity function in a perfect manner. In this article a new multiplication free algorithm for approximate computation of the ambiguity function is introduced. All multiplications (a × b) in the ambiguity function are replaced by an operator which computes sign(a × b)(a + b). The new transform is especially useful when the signal processing algorithm requires correlations. Ambiguity function in radar signal processing requires high number of correlations and DFT computations. This new additive operator enables an approximate computation of the ambiguity function without requiring any multiplications. Simulation examples involving passive radars are presented.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T11:55:21Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2014en
dc.identifier.doi10.1109/SIU.2014.6830363en_US
dc.identifier.urihttp://hdl.handle.net/11693/27508
dc.language.isoTurkishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/SIU.2014.6830363en_US
dc.source.titleProceedings of the 22nd Signal Processing and Communications Applications Conference, SIU 2014en_US
dc.subjectCorrelationen_US
dc.subjectScattering DFTen_US
dc.subjectCorrelation methodsen_US
dc.subjectRadaren_US
dc.subjectApproximate computationen_US
dc.subjectCodifferenceen_US
dc.subjectDFTen_US
dc.subjectNonlinear DFTen_US
dc.subjectPassive radarsen_US
dc.subjectRadar signal processingen_US
dc.subjectSignal processing algorithmsen_US
dc.subjectSimulation exampleen_US
dc.subjectSignal processingen_US
dc.titleApproximate computation of DFT without performing any multiplications: application to radar signal processingen_US
dc.title.alternativeDFT'nin çarpma işlemi kullanılmadan yaklaşık hesaplanması: radar sinyal işleme üzerine uygulamalaren_US
dc.typeConference Paperen_US

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