{"title":"Characterization of leaky wave antenna and active gain enhancement","authors":"Min Chen, Howard Z. Chang, B. Houshmand, T. Itoh","doi":"10.1109/EUMA.1996.337647","DOIUrl":null,"url":null,"abstract":"The leaky wave antenna has been characterized using the 3-D FDTD method, and its employment of the active gain enhancement scheme has been experimentally investigated. The structure analyzed in the FDTD analysis is a rectangular dielectric rod periodically loaded with metal strips, and launching effects are included into the analysis. In the active gain enhancement experiment, the antenna is made of a periodically loaded microstrip line with active gain elements placed to compensate for radiation as well as waveguide loss. This novel antenna possesses a larger effective aperture, higher gain, and narrower beam width as compared to a passive antenna with similar dimensions. Results of the FDTD analysis and active gain enhancement investigation are confirmed by experiments.","PeriodicalId":219101,"journal":{"name":"1996 26th European Microwave Conference","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1996 26th European Microwave Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EUMA.1996.337647","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The leaky wave antenna has been characterized using the 3-D FDTD method, and its employment of the active gain enhancement scheme has been experimentally investigated. The structure analyzed in the FDTD analysis is a rectangular dielectric rod periodically loaded with metal strips, and launching effects are included into the analysis. In the active gain enhancement experiment, the antenna is made of a periodically loaded microstrip line with active gain elements placed to compensate for radiation as well as waveguide loss. This novel antenna possesses a larger effective aperture, higher gain, and narrower beam width as compared to a passive antenna with similar dimensions. Results of the FDTD analysis and active gain enhancement investigation are confirmed by experiments.
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