{"title":"A Low-RCS Dual-band Dual-polarized Antenna Based on Absorptive Frequency-Selective Reflector","authors":"Junyi Shen, S. Liao, W. Che, Q. Xue","doi":"10.1109/iwem53379.2021.9790647","DOIUrl":null,"url":null,"abstract":"This paper presents a low radar cross-section (RCS) dual-band dual-polarized antenna designed based on absorptive frequency-selective reflector (AFSR). The AFSR is composed of a dual-band dual-polarized bandstop frequency selective structure (FSS) and an absorber under the FSS. The bandstop FSS element is designed using cross-frame and square ring to realize dual-band dual-polarized operation. The reflection frequency band of AFSR coincides with the operation band of the antenna. The simulation results indicate that the AFSR-backed antenna system has a remarkable reduction of out-of-band RCS and relatively consistent radiation performance compared with the PEC-backed antenna.","PeriodicalId":141204,"journal":{"name":"2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/iwem53379.2021.9790647","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents a low radar cross-section (RCS) dual-band dual-polarized antenna designed based on absorptive frequency-selective reflector (AFSR). The AFSR is composed of a dual-band dual-polarized bandstop frequency selective structure (FSS) and an absorber under the FSS. The bandstop FSS element is designed using cross-frame and square ring to realize dual-band dual-polarized operation. The reflection frequency band of AFSR coincides with the operation band of the antenna. The simulation results indicate that the AFSR-backed antenna system has a remarkable reduction of out-of-band RCS and relatively consistent radiation performance compared with the PEC-backed antenna.
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