{"title":"采用改进电阻交叉偶极子的宽带电路模拟吸收器","authors":"Aditya Mandar Jabade, H. Sonalikar","doi":"10.1109/NCC52529.2021.9530183","DOIUrl":null,"url":null,"abstract":"In this paper, a novel circuit analog absorber design is proposed using resistive cross-dipoles as the basic template. The absorber consists of two FR4 substrates separated by air. The top substrate consists of a modified cross-dipole frequency selective surface (FSS) having lumped resistors and the bottom substrate provides a ground plane. The proposed absorber has a very low profile of 0.0739 wavelengths at its lowest operating frequency and a fractional bandwidth of 100.55% from 3.13 to 9.46 GHz. The designed absorber is insensitive to incident polarization and shows stable performance at oblique angles of incidence. It is demonstrated that a slight modification in the form of a rectangular strip applied to the basic cross-dipole FSS reduces the thickness to bandwidth ratio of the absorber.","PeriodicalId":414087,"journal":{"name":"2021 National Conference on Communications (NCC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Wideband Circuit Analog Absorber Using Modified Resistive Cross-Dipoles\",\"authors\":\"Aditya Mandar Jabade, H. Sonalikar\",\"doi\":\"10.1109/NCC52529.2021.9530183\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a novel circuit analog absorber design is proposed using resistive cross-dipoles as the basic template. The absorber consists of two FR4 substrates separated by air. The top substrate consists of a modified cross-dipole frequency selective surface (FSS) having lumped resistors and the bottom substrate provides a ground plane. The proposed absorber has a very low profile of 0.0739 wavelengths at its lowest operating frequency and a fractional bandwidth of 100.55% from 3.13 to 9.46 GHz. The designed absorber is insensitive to incident polarization and shows stable performance at oblique angles of incidence. It is demonstrated that a slight modification in the form of a rectangular strip applied to the basic cross-dipole FSS reduces the thickness to bandwidth ratio of the absorber.\",\"PeriodicalId\":414087,\"journal\":{\"name\":\"2021 National Conference on Communications (NCC)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-07-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 National Conference on Communications (NCC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NCC52529.2021.9530183\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 National Conference on Communications (NCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NCC52529.2021.9530183","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Wideband Circuit Analog Absorber Using Modified Resistive Cross-Dipoles
In this paper, a novel circuit analog absorber design is proposed using resistive cross-dipoles as the basic template. The absorber consists of two FR4 substrates separated by air. The top substrate consists of a modified cross-dipole frequency selective surface (FSS) having lumped resistors and the bottom substrate provides a ground plane. The proposed absorber has a very low profile of 0.0739 wavelengths at its lowest operating frequency and a fractional bandwidth of 100.55% from 3.13 to 9.46 GHz. The designed absorber is insensitive to incident polarization and shows stable performance at oblique angles of incidence. It is demonstrated that a slight modification in the form of a rectangular strip applied to the basic cross-dipole FSS reduces the thickness to bandwidth ratio of the absorber.
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