{"title":"非福斯特元件的天线应用","authors":"H. Mirzaei, G. Eleftheriades","doi":"10.1109/IWAT.2012.6178667","DOIUrl":null,"url":null,"abstract":"Three different antenna applications of non-Foster elements in resonant antennas, leaky-wave antennas and series-fed antenna arrays, are investigated. A resonant antenna is presented in which an internal tuning element is replaced with a combination of non-Foster elements in order to make the antenna wideband. Moreover, a non-dispersive fast-wave transmission line, which can be obtained by loading a host transmission line with non-Foster reactive elements, is introduced. Subsequently, the applications of such an artificial transmission line in making squint-free leaky-wave antennas is presented. Finally, the requirements of true time-delay lines for applications in series-fed antenna arrays is discussed and it is shown that the non-Foster fast-wave transmission line can meet these requirements.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"50 1","pages":"281-284"},"PeriodicalIF":0.0000,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Antenna applications of non-Foster elements\",\"authors\":\"H. Mirzaei, G. Eleftheriades\",\"doi\":\"10.1109/IWAT.2012.6178667\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Three different antenna applications of non-Foster elements in resonant antennas, leaky-wave antennas and series-fed antenna arrays, are investigated. A resonant antenna is presented in which an internal tuning element is replaced with a combination of non-Foster elements in order to make the antenna wideband. Moreover, a non-dispersive fast-wave transmission line, which can be obtained by loading a host transmission line with non-Foster reactive elements, is introduced. Subsequently, the applications of such an artificial transmission line in making squint-free leaky-wave antennas is presented. Finally, the requirements of true time-delay lines for applications in series-fed antenna arrays is discussed and it is shown that the non-Foster fast-wave transmission line can meet these requirements.\",\"PeriodicalId\":6341,\"journal\":{\"name\":\"2012 IEEE International Workshop on Antenna Technology (iWAT)\",\"volume\":\"50 1\",\"pages\":\"281-284\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-03-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE International Workshop on Antenna Technology (iWAT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWAT.2012.6178667\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Workshop on Antenna Technology (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2012.6178667","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Three different antenna applications of non-Foster elements in resonant antennas, leaky-wave antennas and series-fed antenna arrays, are investigated. A resonant antenna is presented in which an internal tuning element is replaced with a combination of non-Foster elements in order to make the antenna wideband. Moreover, a non-dispersive fast-wave transmission line, which can be obtained by loading a host transmission line with non-Foster reactive elements, is introduced. Subsequently, the applications of such an artificial transmission line in making squint-free leaky-wave antennas is presented. Finally, the requirements of true time-delay lines for applications in series-fed antenna arrays is discussed and it is shown that the non-Foster fast-wave transmission line can meet these requirements.
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