Valdez A de A Filho, P. H. da F Silva, A. D’assunção
{"title":"A comparative study of three ultra-wideband log-periodic microstrip antenna arrays","authors":"Valdez A de A Filho, P. H. da F Silva, A. D’assunção","doi":"10.1109/IWAT.2010.5464702","DOIUrl":null,"url":null,"abstract":"This paper described the design, simulation and fabrication of three ultra-wideband log-periodic microstrip antenna arrays. A comparative study is presented between arrays using rectangular, square and circular patch elements and varying the number of elements (5, 10 e 15). Electromagnetically coupled microstrip patches had been used as radiating element of arrays. The frequency responses of these arrays are analysed using the Ansoft Designer¿ commercial software that implements the method of moments. After the simulations were completed, three prototypes were constructed and measured using a vector network analyzer. The results for the -10 dB return loss bandwidth of the antenna arrays are presented. The good agreement between theoretical and experimental results for the built antenna prototypes validated the used methodology.","PeriodicalId":125732,"journal":{"name":"2010 International Workshop on Antenna Technology (iWAT)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 International Workshop on Antenna Technology (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2010.5464702","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
This paper described the design, simulation and fabrication of three ultra-wideband log-periodic microstrip antenna arrays. A comparative study is presented between arrays using rectangular, square and circular patch elements and varying the number of elements (5, 10 e 15). Electromagnetically coupled microstrip patches had been used as radiating element of arrays. The frequency responses of these arrays are analysed using the Ansoft Designer¿ commercial software that implements the method of moments. After the simulations were completed, three prototypes were constructed and measured using a vector network analyzer. The results for the -10 dB return loss bandwidth of the antenna arrays are presented. The good agreement between theoretical and experimental results for the built antenna prototypes validated the used methodology.
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