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Influence of some structural parameters on the dielectric behavior of materials for textile antennas

2019-04Journal article Restricted access
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dc.contributor.authorLoss, Caroline
dc.contributor.authorGonçalves, Ricardo
dc.contributor.authorPinho, Pedro
dc.contributor.authorSalvado, Rita
dc.date.accessioned2019-05-03T10:20:40Z
dc.date.available2019-05-03T10:20:40Z
dc.date.issued2019-04
dc.description.abstractKnowledge of the electromagnetic properties of textile materials is crucial in order to design wearable antennas. Despite the growth of research studies on textile antennas, the accurate characterization of the dielectric properties of the materials is still a challenge due to the intrinsic inhomogeneity and deformability of textiles. In this work, 11 textile materials were characterized using the resonator-based experimental technique. The results obtained using this method have shown that when positioning the roughest face of the Material Under Test (MUT) in contact with the resonator board, the extracted dielectric constant (e(r)) value is lower than the one extracted with this face positioned upside-down. Based on this observation, superficial properties of textiles were investigated. Thus, this paper relates the results of the dielectric characterization to some structural parameters of textiles, such as surface roughness and surface and bulk porosity. The results show that both surface roughness and surface porosity of the samples influence the measurements, through the positioning of the probes. Further, the influence of the positioning of the dielectric material on the performance of textile microstrip antennas was analyzed. For this, 12 prototypes of microstrip patch antennas were developed and tested. The results show that, despite the differences obtained in the characterization when placing the face or reverse-sides of the MUT in contact with the resonator board, the obtained average result of e(r) is well suited to design antennas, ensuring a good performance.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLOSS, Caroline; [et al] – Influence of some structural parameters on the dielectric behavior of materials for textile antennas. Textile Research Journal. ISSN 0040-5175. Vol. 89, N.º 7 (2019), pp. 1131-1143pt_PT
dc.identifier.doi10.1177/0040517518764000pt_PT
dc.identifier.issn0040-5175
dc.identifier.issn1746-7748
dc.identifier.urihttp://hdl.handle.net/10400.21/9929
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSAGE Publicationspt_PT
dc.subjectDielectric characterizationpt_PT
dc.subjectTextile antennaspt_PT
dc.subjectTestingpt_PT
dc.subjectFabricationpt_PT
dc.subjectElectromagnetic propertiespt_PT
dc.subjectMaterialspt_PT
dc.subjectStructure-propertiespt_PT
dc.titleInfluence of some structural parameters on the dielectric behavior of materials for textile antennaspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEEA%2F50008%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F00195%2F2013/PT
oaire.citation.endPage1143pt_PT
oaire.citation.issue7pt_PT
oaire.citation.startPage1131pt_PT
oaire.citation.titleTextile Research Journalpt_PT
oaire.citation.volume89pt_PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameLoss
person.familyNameGonçalves
person.familyNamePinho
person.familyNameSalvado
person.givenNameCaroline
person.givenNameRicardo
person.givenNamePedro
person.givenNameRita
person.identifier.ciencia-id1F13-E4E5-D1CF
person.identifier.ciencia-id4C17-7EC8-C889
person.identifier.ciencia-idD210-B2D8-193A
person.identifier.orcid0000-0002-8763-3606
person.identifier.orcid0000-0002-9612-5689
person.identifier.orcid0000-0001-5588-7794
person.identifier.orcid0000-0001-6691-5025
person.identifier.ridL-6160-2013
person.identifier.ridD-4304-2009
person.identifier.scopus-author-id55511634400
person.identifier.scopus-author-id55533435700
person.identifier.scopus-author-id16031596400
person.identifier.scopus-author-id14020373400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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