Coherent-array imaging using phased subarrays. Part I: Basic principles

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dc.authorid0000-0003-3940-7898
dc.contributor.authorJohnson, Jeremy A.en_US
dc.contributor.authorKaraman, Mustafaen_US
dc.contributor.authorKhuri-Yakub, Butrus Thomasen_US
dc.date.accessioned2015-01-15T23:00:21Z
dc.date.available2015-01-15T23:00:21Z
dc.date.issued2005-01
dc.departmentIşık Üniversitesi, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering, Department of Electrical-Electronics Engineeringen_US
dc.description.abstractThe front-end hardware complexity of a coherent array imaging system scales with the number of active array elements that are simultaneously used for transmission or reception of signals. Different imaging methods use different numbers of active channels and data collection strategies. Conventional full phased array (EPA) imaging produces the best image quality using all elements for both transmission and reception, and it has high front-end hardware complexity. In contrast, classical synthetic aperture (CSA) imaging only transmits on and receives from a single element at a time, minimizing the hardware complexity but achieving poor image quality. We propose a new coherent array imaging method-phased subarray (PSA) imagine-that performs partial transmit and receive beam-forming using a subset of adjacent elements at each firing step. This method reduces the number of active channels to the number of subarray elements; these channels are multiplexed across the full array and a reduced number of beams are acquired from each subarray. The low-resolution subarray images are laterally upsampled, interpolated, weighted, and coherently summed to form the final high-resolution PSA image. The PSA imaging reduces the complexity of the front-end hardware while achieving image quality approaching that of FPA imaging.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationJohnson, J., Karaman, M., & Khuri-Yakub, B. T. (2005). Coherent-array imaging using phased subarrays. Part I: Basic principles. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 52(1), 37-50. doi:10.1109/TUFFC.2005.1397349en_US
dc.identifier.doi10.1109/TUFFC.2005.1397349
dc.identifier.endpage50
dc.identifier.issn0885-3010
dc.identifier.issn1525-8955
dc.identifier.issue1
dc.identifier.pmid15742561
dc.identifier.scopus2-s2.0-13844256295
dc.identifier.scopusqualityQ1
dc.identifier.startpage37
dc.identifier.urihttps://hdl.handle.net/11729/191
dc.identifier.urihttp://dx.doi.org/10.1109/TUFFC.2005.1397349
dc.identifier.volume52
dc.identifier.wosWOS:000226812800006
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorKaraman, Mustafaen_US
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherIEEE-INST Electrical Electronics Engineers Incen_US
dc.relation.ispartofIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Controlen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCoded excitationen_US
dc.subjectVlsi circuitsen_US
dc.subjectApertureen_US
dc.subjectSystemsen_US
dc.subjectReconstructionen_US
dc.subjectRestorationen_US
dc.subjectMotionen_US
dc.titleCoherent-array imaging using phased subarrays. Part I: Basic principlesen_US
dc.typeArticleen_US
dspace.entity.typePublication

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