{"title":"Velocity factor of leaky-wave antenna based on partially filled rectangular waveguide","authors":"R. Abdullin, Y. E. Mitelman, S. Shabunin","doi":"10.1109/APEIE.2014.7040929","DOIUrl":null,"url":null,"abstract":"A Leaky-wave antenna based on a covered rectangular waveguide with partially dielectric filling and transverse slots is investigated. The complex propagation constant is defined by matching of magnetic field in slots. A velocity factor dependences on the waveguide filling parameters are presented. The influence of the dielectric position in the waveguide on the antenna characteristics is considered. The radiation pattern is analyzed. A pattern tilt angle, an optimal antenna length and a first null beamwidth are defined.","PeriodicalId":202524,"journal":{"name":"2014 12th International Conference on Actual Problems of Electronics Instrument Engineering (APEIE)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 12th International Conference on Actual Problems of Electronics Instrument Engineering (APEIE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEIE.2014.7040929","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A Leaky-wave antenna based on a covered rectangular waveguide with partially dielectric filling and transverse slots is investigated. The complex propagation constant is defined by matching of magnetic field in slots. A velocity factor dependences on the waveguide filling parameters are presented. The influence of the dielectric position in the waveguide on the antenna characteristics is considered. The radiation pattern is analyzed. A pattern tilt angle, an optimal antenna length and a first null beamwidth are defined.
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