{"title":"A Low-profile High-efficiency Isoflux Antenna for CubeSat Applications","authors":"Sipei Cai, S. Liao, W. Che, Q. Xue","doi":"10.1109/IWS55252.2022.9977839","DOIUrl":null,"url":null,"abstract":"This paper presents a low-profile, high-efficiency isoflux beam circularly polarized antenna for CubeSat applications. It mainly consists of two parts, namely the high-efficiency feeding network and low profile circularly polarized radiator. The feeding network is based on a sequentially fed radial planar waveguide to reduce feeding length and thus improve efficiency. Several sets of concentric annular slots are cut on the radial planar waveguide, and corner-cut patches are placed on the slots, which realizes the radiator generating rotational symmetrical isoflux CP radiation. The proposed isoflux antenna features both low-profile and high radiation efficiency. A prototype operating at 8.4GHz is designed to prove the idea.","PeriodicalId":126964,"journal":{"name":"2022 IEEE MTT-S International Wireless Symposium (IWS)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE MTT-S International Wireless Symposium (IWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWS55252.2022.9977839","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents a low-profile, high-efficiency isoflux beam circularly polarized antenna for CubeSat applications. It mainly consists of two parts, namely the high-efficiency feeding network and low profile circularly polarized radiator. The feeding network is based on a sequentially fed radial planar waveguide to reduce feeding length and thus improve efficiency. Several sets of concentric annular slots are cut on the radial planar waveguide, and corner-cut patches are placed on the slots, which realizes the radiator generating rotational symmetrical isoflux CP radiation. The proposed isoflux antenna features both low-profile and high radiation efficiency. A prototype operating at 8.4GHz is designed to prove the idea.
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