Marco Antonio Pumallica-Paro, Jorge Luis Arizaca-Cusicuna, Mark Clemente-Arenas
{"title":"Optimizing Cutoff Frequency in an Antipodal Vivaldi Antenna for GPR applications through a novel balun","authors":"Marco Antonio Pumallica-Paro, Jorge Luis Arizaca-Cusicuna, Mark Clemente-Arenas","doi":"10.1109/INTERCON.2018.8526432","DOIUrl":null,"url":null,"abstract":"In this work, an ultra-bandwidth antenna (UWB) is proposed for applications in ground penetrating radar (GPR). A novel Vivaldi antipodal antenna (AVA) with elliptical slot at the edges (ESE) made with FR4 is presented. The antenna was optimized by adjusting the geometry of the tapers and modifying the shape of the balun, with these modifications a lower cutoff frequency (LCF) around 1.5 GHz is achieved. Results from reflection coefficients, radiation pattern and gain are presented. The overall design and electromagnetic simulation of the antenna are made with a a commercially avalaible simulator.","PeriodicalId":305576,"journal":{"name":"2018 IEEE XXV International Conference on Electronics, Electrical Engineering and Computing (INTERCON)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE XXV International Conference on Electronics, Electrical Engineering and Computing (INTERCON)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INTERCON.2018.8526432","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
In this work, an ultra-bandwidth antenna (UWB) is proposed for applications in ground penetrating radar (GPR). A novel Vivaldi antipodal antenna (AVA) with elliptical slot at the edges (ESE) made with FR4 is presented. The antenna was optimized by adjusting the geometry of the tapers and modifying the shape of the balun, with these modifications a lower cutoff frequency (LCF) around 1.5 GHz is achieved. Results from reflection coefficients, radiation pattern and gain are presented. The overall design and electromagnetic simulation of the antenna are made with a a commercially avalaible simulator.
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