{"title":"具有双波段和双圆极化的多功能宽波束天线","authors":"Xiao-yu He, Lei Chang, Ling-Lu Chen","doi":"10.1109/IEEE-IWS.2016.7585426","DOIUrl":null,"url":null,"abstract":"A multifunction broad-beam antenna is presented for dual bands and dual circular-polarizations applications. The proposed antenna consists of a crossed dipole antenna (CDA) and four inclined monopole antennas (IMAs). The CDA is connected to a slotted coaxial Balun and fed via an impedance transformer. The IMAs are fed via a 90° hybrid network with input phases of 0°, 90°, 180° and 270°, which locates at the bottom of the CDA. The proposed antenna combines the properties of CDA and IMAs in a shared aperture. The structure can be operated as a dual circularly polarized (CP) antenna covering dual bands with broad-beam. Experimental results show that the presented antenna performs left-handed CP (LHCP) radiation at 1.552-1.685 GHz with axial ratio (AR) <; 3 dB and VSWR <; 2 by CDA and right-hand CP (RHCp) radiation at 2.15-2.62 GHz & 2.84-3.32 GHz by IMAs (AR <; 3 dB, VSWR <; 2).","PeriodicalId":185971,"journal":{"name":"2016 IEEE MTT-S International Wireless Symposium (IWS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A multifunction broad-beam antenna with dual bands and dual circular-polarizations\",\"authors\":\"Xiao-yu He, Lei Chang, Ling-Lu Chen\",\"doi\":\"10.1109/IEEE-IWS.2016.7585426\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A multifunction broad-beam antenna is presented for dual bands and dual circular-polarizations applications. The proposed antenna consists of a crossed dipole antenna (CDA) and four inclined monopole antennas (IMAs). The CDA is connected to a slotted coaxial Balun and fed via an impedance transformer. The IMAs are fed via a 90° hybrid network with input phases of 0°, 90°, 180° and 270°, which locates at the bottom of the CDA. The proposed antenna combines the properties of CDA and IMAs in a shared aperture. The structure can be operated as a dual circularly polarized (CP) antenna covering dual bands with broad-beam. Experimental results show that the presented antenna performs left-handed CP (LHCP) radiation at 1.552-1.685 GHz with axial ratio (AR) <; 3 dB and VSWR <; 2 by CDA and right-hand CP (RHCp) radiation at 2.15-2.62 GHz & 2.84-3.32 GHz by IMAs (AR <; 3 dB, VSWR <; 2).\",\"PeriodicalId\":185971,\"journal\":{\"name\":\"2016 IEEE MTT-S International Wireless Symposium (IWS)\",\"volume\":\"20 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-03-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE MTT-S International Wireless Symposium (IWS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEEE-IWS.2016.7585426\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE MTT-S International Wireless Symposium (IWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEEE-IWS.2016.7585426","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A multifunction broad-beam antenna with dual bands and dual circular-polarizations
A multifunction broad-beam antenna is presented for dual bands and dual circular-polarizations applications. The proposed antenna consists of a crossed dipole antenna (CDA) and four inclined monopole antennas (IMAs). The CDA is connected to a slotted coaxial Balun and fed via an impedance transformer. The IMAs are fed via a 90° hybrid network with input phases of 0°, 90°, 180° and 270°, which locates at the bottom of the CDA. The proposed antenna combines the properties of CDA and IMAs in a shared aperture. The structure can be operated as a dual circularly polarized (CP) antenna covering dual bands with broad-beam. Experimental results show that the presented antenna performs left-handed CP (LHCP) radiation at 1.552-1.685 GHz with axial ratio (AR) <; 3 dB and VSWR <; 2 by CDA and right-hand CP (RHCp) radiation at 2.15-2.62 GHz & 2.84-3.32 GHz by IMAs (AR <; 3 dB, VSWR <; 2).
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