Using metasurface structures as signal polarisers in microstrip antennas
dc.contributor.author | Paiva, José Lucas da Silva | |
dc.contributor.author | Silva, José Patrocínio | |
dc.contributor.author | Campos, Antonio Luiz Pereira de Siqueira | |
dc.contributor.author | Andrade, Humberto Dionísio | |
dc.date.accessioned | 2021-12-09T14:30:01Z | |
dc.date.available | 2021-12-09T14:30:01Z | |
dc.date.issued | 2018-11-09 | |
dc.description.resumo | This study analyses the influence of a metasurface coupled to a rectangular microstrip antenna. The proposed metasurface converts linearly polarised electromagnetic waves into circularly polarised electromagnetic waves. The rectangular microstrip antenna is designed to operate at 2.45 GHz. The metasurface is coupled to the antenna in order to provide a structure capable of radiating circularly polarised electromagnetic waves without the need for adjustments to the antenna feed. In this analysis, the metasurface was designed from unit cells, distributed in a periodic arrangement acting as a polariser, when coupled to the upper part of the antenna. The geometry of the unit cells and their distribution in the arrangement were calculated in order to obtain an axial ratio below 3 dB in the design frequency range. Prototypes of the microstrip antenna and the metasurface were constructed to obtain experimental results and it was possible to observe a good convergence between the simulated and measured results. | pt_BR |
dc.identifier.citation | PAIVA, José Lucas da Silva; SILVA, José Patrocínio da; CAMPOS, Antônio Luiz Pereira de Siqueira; ANDRADE, Humberto Dionísio de. Using metasurface structures as signal polarisers in microstrip antennas. Iet Microwaves, Antennas & Propagation, [S.L.], v. 13, n. 1, p. 23-27, 9 jan. 2019. Disponível em: https://ieeexplore.ieee.org/document/8611522. Acesso em: 30 out. 2020. http://dx.doi.org/10.1049/iet-map.2018.5112. | pt_BR |
dc.identifier.doi | 10.1049/iet-map.2018.5112 | |
dc.identifier.issn | 1098-2760 | |
dc.identifier.uri | https://repositorio.ufrn.br/handle/123456789/45293 | |
dc.language | en | pt_BR |
dc.publisher | Institution of Engineering and Technology | pt_BR |
dc.rights | Attribution 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/br/ | * |
dc.subject | Metasurface | pt_BR |
dc.subject | Signal polarisers | pt_BR |
dc.title | Using metasurface structures as signal polarisers in microstrip antennas | pt_BR |
dc.type | article | pt_BR |
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