{"title":"用于电磁成像的压缩高阶模隙加载梯形天线","authors":"K. Sultan, B. Mohammed","doi":"10.1109/AMS48904.2020.9059309","DOIUrl":null,"url":null,"abstract":"A wideband trapezoidal antenna operating at compressed high-order modes is proposed for microwave imaging applications. The antenna is investigated using characteristic mode analysis to show that by loading the slots and using the curved trapezoidal shape, the high-order modes shift to the lower frequency enhance the bandwidth. Multi-square-slotted-ring unit cells are integrated as an artificial magnetic conductor that is located below the antenna to act as a reflector. The proposed antenna operates from 0.85 GHz to 3.7 GHz with an average gain and front to back ratio of 10.5 dBi and 19.5 dB, respectively.","PeriodicalId":257699,"journal":{"name":"2020 4th Australian Microwave Symposium (AMS)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Compressed Higher Order Modes Slot Loaded Trapezoidal Antenna for Electromagnetic Imaging\",\"authors\":\"K. Sultan, B. Mohammed\",\"doi\":\"10.1109/AMS48904.2020.9059309\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A wideband trapezoidal antenna operating at compressed high-order modes is proposed for microwave imaging applications. The antenna is investigated using characteristic mode analysis to show that by loading the slots and using the curved trapezoidal shape, the high-order modes shift to the lower frequency enhance the bandwidth. Multi-square-slotted-ring unit cells are integrated as an artificial magnetic conductor that is located below the antenna to act as a reflector. The proposed antenna operates from 0.85 GHz to 3.7 GHz with an average gain and front to back ratio of 10.5 dBi and 19.5 dB, respectively.\",\"PeriodicalId\":257699,\"journal\":{\"name\":\"2020 4th Australian Microwave Symposium (AMS)\",\"volume\":\"91 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 4th Australian Microwave Symposium (AMS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AMS48904.2020.9059309\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 4th Australian Microwave Symposium (AMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AMS48904.2020.9059309","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Compressed Higher Order Modes Slot Loaded Trapezoidal Antenna for Electromagnetic Imaging
A wideband trapezoidal antenna operating at compressed high-order modes is proposed for microwave imaging applications. The antenna is investigated using characteristic mode analysis to show that by loading the slots and using the curved trapezoidal shape, the high-order modes shift to the lower frequency enhance the bandwidth. Multi-square-slotted-ring unit cells are integrated as an artificial magnetic conductor that is located below the antenna to act as a reflector. The proposed antenna operates from 0.85 GHz to 3.7 GHz with an average gain and front to back ratio of 10.5 dBi and 19.5 dB, respectively.
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