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Near-field multi-focusing transmitarray optimization for multi-position feed

dc.contributor.authorFernández Vaquero, Álvaro
dc.contributor.authorArrebola Baena, Manuel 
dc.contributor.authorRodríguez Pino, Marcos 
dc.date.accessioned2020-03-13T10:48:16Z
dc.date.available2020-03-13T10:48:16Z
dc.date.issued2019-10
dc.identifier.urihttp://hdl.handle.net/10651/54226
dc.description​Annual​ ​Meeting​ ​and​ ​Symposium​ ​of​ ​the​ ​Antenna​ ​Measurement​ ​Techniques Association (41st​. 2019. San Diego​, ​USA)spa
dc.description.abstractA transmitarray antenna is proposed as a multifocusing antenna in the near-field region with capability for focus scanning and/or simultaneous and independent focus spots generation at 28 GHz. The transmitarray optics is defined for a centred configuration and the elements are designed to focus the radiated near-field at a given point. Then, a number of feeds is placed along arcs in the principal planes and the near-field generated by the transmitarray when its illuminated by each one is obtained, demonstrating the capability to generate multiple independent near-field spots. The focusing performance is improved for the centered feed through a Phase-Only synthesis technique based on the generalized Intersection Approach in near-field. Finally, the spots produced by the whole cluster are calculated, demonstrating the overall improvement and validating the designing process. This configuration can be applied in near-field systems as radar for surface inspection, measurement systems or wireless power transfer among others.spa
dc.description.sponsorshipThis work was supported in part by the Ministerio de Ciencia, Innovacion y Universidades under project TEC2017-86619-R (ARTEINE) and by the Gobierno del Principado de Asturias/FEDER under Project GRUPIN-IDI/2018/000191.spa
dc.language.isospaspa
dc.relation.ispartofAnnual​ ​Meeting​ ​and​ ​Symposium​ ​of​ ​the​ ​Antenna​ ​Measurement​ ​Techniques Association
dc.rights© 2019 IEEE
dc.rightsCC Reconocimiento - No Comercial - Sin Obra Derivada 4.0 Internacional
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleNear-field multi-focusing transmitarray optimization for multi-position feedspa
dc.typeinfo:eu-repo/semantics/articlespa
dc.type.dcmitextspa
dc.relation.projectIDTEC2017-86619-R
dc.relation.projectIDGRUPIN-IDI/2018/000191
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessspa


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