{"title":"Multi-antenna system based on substrate integrated waveguide for Ka-band traffic-monitoring radar applications","authors":"Xiaoping Chen, Lin Li, K. Wu","doi":"10.23919/eumc.2009.5295987","DOIUrl":null,"url":null,"abstract":"In this paper, a multi-antenna system designed with one antenna for transmitter and the other three for receiver is proposed and demonstrated for Ka-band traffic-monitoring radar applications with simultaneous functionality of range, velocity and angle detection. Each antenna consists of 4×20 substrate integrated waveguide (SIW) slot array for wide azimuth field of view and low ground reflection. The scan angle of +5/−5 degree in azimuth plane (E-plane) for two receiver antennas, respectively, is simply realized by rotating the compact feeding network with a specific angle. The design details are given and the isolation between antennas with different orientations is also investigated. The prototyped antenna has a measured gain of about 22 dBi and side lobe suppression of 20 dB in the H-plane, while the bandwidth for the 10-dB return loss is 1.25 GHz.","PeriodicalId":232128,"journal":{"name":"2009 European Microwave Conference (EuMC)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 European Microwave Conference (EuMC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/eumc.2009.5295987","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 11
Abstract
In this paper, a multi-antenna system designed with one antenna for transmitter and the other three for receiver is proposed and demonstrated for Ka-band traffic-monitoring radar applications with simultaneous functionality of range, velocity and angle detection. Each antenna consists of 4×20 substrate integrated waveguide (SIW) slot array for wide azimuth field of view and low ground reflection. The scan angle of +5/−5 degree in azimuth plane (E-plane) for two receiver antennas, respectively, is simply realized by rotating the compact feeding network with a specific angle. The design details are given and the isolation between antennas with different orientations is also investigated. The prototyped antenna has a measured gain of about 22 dBi and side lobe suppression of 20 dB in the H-plane, while the bandwidth for the 10-dB return loss is 1.25 GHz.
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