Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da INATEL |
Texto Completo: | http://tede.inatel.br:8080/tede/handle/tede/17 |
Resumo: | This work presents a study on microstrip antennas in bowtie shape. It was developed the traditional model of bowtie with the purpose of verify its operating behavior according of the reflection coefficient. Results showed that this geometry operates with multiple resonance frequencies and narrow band around each. To expand the range of operation, it was used the fractal geometry of Sierpinski triangle, together with other modifications to the radiator element, in the feed system and the ground plane. For the traditional model was used feed by coaxial probe, at a point where was obtained better impedance matching. For models developed from the Sierpinski triangle, was employed the microstrip line with a quarter-wave transformers based on binomial sequence and Tschebyscheff polynomial. The designs were developed in the FR4 substrate searching acceptable performance in the point of view of return loss in broad band. The results were consistent with the demands of different radiocommunications systems in the microwave range. |
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Ribeiro, Jos? Ant?nio Justino012.620.256-72http://lattes.cnpq.br/9987344139958522Ribeiro, Jos? Ant?nio Justino012.620.256-72http://lattes.cnpq.br/9987344139958522Mej?a, Felipe Beltr?n235.092.198-05http://lattes.cnpq.br/8371603251897972Portelinha, Francisco Martinshttp://lattes.cnpq.br/2508953043452613087.157.276-10http://lattes.cnpq.br/4964865294025484Teixeira, Poliane Aires2016-06-20T20:46:13Z2015-03-10Teixeira, Poliane Aires. Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa. 2015. [63]. Disserta??o( Programa 1) - Instituto Nacional de Telecomunicacoes, [Santa Rita do Sapuca?] .http://tede.inatel.br:8080/tede/handle/tede/17This work presents a study on microstrip antennas in bowtie shape. It was developed the traditional model of bowtie with the purpose of verify its operating behavior according of the reflection coefficient. Results showed that this geometry operates with multiple resonance frequencies and narrow band around each. To expand the range of operation, it was used the fractal geometry of Sierpinski triangle, together with other modifications to the radiator element, in the feed system and the ground plane. For the traditional model was used feed by coaxial probe, at a point where was obtained better impedance matching. For models developed from the Sierpinski triangle, was employed the microstrip line with a quarter-wave transformers based on binomial sequence and Tschebyscheff polynomial. The designs were developed in the FR4 substrate searching acceptable performance in the point of view of return loss in broad band. The results were consistent with the demands of different radiocommunications systems in the microwave range.Este trabalho apresenta um estudo sobre antenas impressas no formato gravata borboleta. Desenvolveu-se o modelo tradicional da gravata borboleta com o intuito de verificar seu comportamento de opera??o em fun??o do coeficiente de reflex?o. Resultados demonstraram que esta geometria opera com m?ltiplas freq??ncias de resson?ncia e faixa estreita em torno de cada uma. Para ampliar a faixa de opera??o, recorreu-se ? geometria fractal do tri?ngulo de Sierpinski, juntamente com outras modifica??es no elemento irradiador, no sistema de alimenta??o e no plano de terra. Para o modelo tradicional utilizou-se alimenta??o por sonda coaxial, em um ponto onde se obteve melhor casamento de imped?ncia. Para os modelos desenvolvidos a partir do tri?ngulo de Sierpinski, empregou-se a linha de microfita com transformadores de quarto de onda baseados na seq??ncia binomial e nos polin?mios de Tschebyscheff. Os projetos foram desenvolvidos no substrato FR4 procurando-se desempenhos aceit?veis do ponto de vista da perda de retorno em faixa larga. Os resultados foram condizentes com as demandas de diferentes sistemas de radiocomunica??es na faixa de microondas.Submitted by Tede Dspace (tede@inatel.br) on 2016-06-20T20:46:13Z No. of bitstreams: 2 license_rdf: 20592 bytes, checksum: 0c9b9c579af4cbbcf785ca803bd18d4b (MD5) Disserta??o V.Final Poliane Aires.pdf: 1728274 bytes, checksum: 7b0f17c88a720e3e38ae7774e5a369b9 (MD5)Made available in DSpace on 2016-06-20T20:46:13Z (GMT). No. of bitstreams: 2 license_rdf: 20592 bytes, checksum: 0c9b9c579af4cbbcf785ca803bd18d4b (MD5) Disserta??o V.Final Poliane Aires.pdf: 1728274 bytes, checksum: 7b0f17c88a720e3e38ae7774e5a369b9 (MD5) Previous issue date: 2015-03-10application/pdfhttp://tede.inatel.br:8080/jspui/retrieve/227/Disserta%c3%a7%c3%a3o%20V.Final%20Poliane%20Aires.pdf.jpgporInstituto Nacional de Telecomunica??esMestrado em Engenharia de Telecomunica??esINATELBrasilInstituto Nacional de Telecomunica??eshttp://creativecommons.org/licenses/by-nd/4.0/info:eu-repo/semantics/openAccessAntenas impressas; gravata borboleta; transformadores de quarto de onda; tri?ngulo de SierpinskiEngenharia - Telecomunica??esAntena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisreponame:Biblioteca Digital de Teses e Dissertações da INATELinstname:Instituto Nacional de Telecomunicações (INATEL)instacron:INATELLICENSElicense.txtlicense.txttext/plain; charset=utf-8112http://localhost:8080/tede/bitstream/tede/17/1/license.txtc6279291b293f0db82678eaa73a27769MD51CC-LICENSElicense_urllicense_urltext/plain; charset=utf-846http://localhost:8080/tede/bitstream/tede/17/2/license_url587cd8ffae15c8598ed3c46d248a3f38MD52license_textlicense_texttext/html; charset=utf-821785http://localhost:8080/tede/bitstream/tede/17/3/license_text906cd79fa23daa04c86df113b4537342MD53license_rdflicense_rdfapplication/rdf+xml; charset=utf-820592http://localhost:8080/tede/bitstream/tede/17/4/license_rdf0c9b9c579af4cbbcf785ca803bd18d4bMD54ORIGINALDisserta??o V.Final Poliane Aires.pdfDisserta??o V.Final Poliane Aires.pdfapplication/pdf1728274http://localhost:8080/tede/bitstream/tede/17/5/Disserta%C3%A7%C3%A3o+V.Final+Poliane+Aires.pdf7b0f17c88a720e3e38ae7774e5a369b9MD55TEXTDisserta??o V.Final Poliane Aires.pdf.txtDisserta??o V.Final Poliane Aires.pdf.txttext/plain128217http://localhost:8080/tede/bitstream/tede/17/6/Disserta%C3%A7%C3%A3o+V.Final+Poliane+Aires.pdf.txtcf11de4bd6a98e17882c2d0ed7bece3bMD56THUMBNAILDisserta??o V.Final Poliane Aires.pdf.jpgDisserta??o V.Final Poliane Aires.pdf.jpgimage/jpeg4008http://localhost:8080/tede/bitstream/tede/17/7/Disserta%C3%A7%C3%A3o+V.Final+Poliane+Aires.pdf.jpgd3f1984d87e6539929c993aa4a587308MD57tede/172018-04-17 14:10:40.436oai:localhost:tede/17QXV0b3Jpem8gYSBwdWJsaWNhPz9vIGRhIG1pbmhhIERpc3NlcnRhPz9vIGRlIE1lc3RyYWRvLCBlbSBmb3JtYXRvIFBERiwgY29tIGJsb3F1ZWlvIGRlIGVkaT8/bywgY29sYWdlbSBlIGM/cGlhLg==Biblioteca Digital de Teses e Dissertaçõeshttp://tede.inatel.br:8080/jspui/PUBhttp://tede.inatel.br:8080/oai/requestbiblioteca@inatel.br || biblioteca.atendimento@inatel.bropendoar:2018-04-17T17:10:40Biblioteca Digital de Teses e Dissertações da INATEL - Instituto Nacional de Telecomunicações (INATEL)false |
dc.title.por.fl_str_mv |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
title |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
spellingShingle |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa Teixeira, Poliane Aires Antenas impressas; gravata borboleta; transformadores de quarto de onda; tri?ngulo de Sierpinski Engenharia - Telecomunica??es |
title_short |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
title_full |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
title_fullStr |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
title_full_unstemmed |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
title_sort |
Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa |
author |
Teixeira, Poliane Aires |
author_facet |
Teixeira, Poliane Aires |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Ribeiro, Jos? Ant?nio Justino |
dc.contributor.advisor1ID.fl_str_mv |
012.620.256-72 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/9987344139958522 |
dc.contributor.referee1.fl_str_mv |
Ribeiro, Jos? Ant?nio Justino |
dc.contributor.referee1ID.fl_str_mv |
012.620.256-72 |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/9987344139958522 |
dc.contributor.referee2.fl_str_mv |
Mej?a, Felipe Beltr?n |
dc.contributor.referee2ID.fl_str_mv |
235.092.198-05 |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/8371603251897972 |
dc.contributor.referee3.fl_str_mv |
Portelinha, Francisco Martins |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/2508953043452613 |
dc.contributor.authorID.fl_str_mv |
087.157.276-10 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4964865294025484 |
dc.contributor.author.fl_str_mv |
Teixeira, Poliane Aires |
contributor_str_mv |
Ribeiro, Jos? Ant?nio Justino Ribeiro, Jos? Ant?nio Justino Mej?a, Felipe Beltr?n Portelinha, Francisco Martins |
dc.subject.por.fl_str_mv |
Antenas impressas; gravata borboleta; transformadores de quarto de onda; tri?ngulo de Sierpinski |
topic |
Antenas impressas; gravata borboleta; transformadores de quarto de onda; tri?ngulo de Sierpinski Engenharia - Telecomunica??es |
dc.subject.cnpq.fl_str_mv |
Engenharia - Telecomunica??es |
description |
This work presents a study on microstrip antennas in bowtie shape. It was developed the traditional model of bowtie with the purpose of verify its operating behavior according of the reflection coefficient. Results showed that this geometry operates with multiple resonance frequencies and narrow band around each. To expand the range of operation, it was used the fractal geometry of Sierpinski triangle, together with other modifications to the radiator element, in the feed system and the ground plane. For the traditional model was used feed by coaxial probe, at a point where was obtained better impedance matching. For models developed from the Sierpinski triangle, was employed the microstrip line with a quarter-wave transformers based on binomial sequence and Tschebyscheff polynomial. The designs were developed in the FR4 substrate searching acceptable performance in the point of view of return loss in broad band. The results were consistent with the demands of different radiocommunications systems in the microwave range. |
publishDate |
2015 |
dc.date.issued.fl_str_mv |
2015-03-10 |
dc.date.accessioned.fl_str_mv |
2016-06-20T20:46:13Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Teixeira, Poliane Aires. Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa. 2015. [63]. Disserta??o( Programa 1) - Instituto Nacional de Telecomunicacoes, [Santa Rita do Sapuca?] . |
dc.identifier.uri.fl_str_mv |
http://tede.inatel.br:8080/tede/handle/tede/17 |
identifier_str_mv |
Teixeira, Poliane Aires. Antena gravata borboleta em geometria fractal para m?ltiplas frequ?ncias e grande largura de faixa. 2015. [63]. Disserta??o( Programa 1) - Instituto Nacional de Telecomunicacoes, [Santa Rita do Sapuca?] . |
url |
http://tede.inatel.br:8080/tede/handle/tede/17 |
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por |
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por |
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http://creativecommons.org/licenses/by-nd/4.0/ |
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openAccess |
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Instituto Nacional de Telecomunica??es |
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Mestrado em Engenharia de Telecomunica??es |
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INATEL |
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Brasil |
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Instituto Nacional de Telecomunica??es |
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Instituto Nacional de Telecomunica??es |
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