A High-gain and Low-scattering Waveguide Slot Antenna of Artificial Magnetic Conductor Octagonal Ring Arrangement

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dc.contributor.authorLiu, Xiao
dc.contributor.authorGao, Jun
dc.contributor.authorCao, Xiangyu
dc.contributor.authorZhao, Yi
dc.contributor.authorLi, Wenqiang
dc.contributor.authorLi, Shia
dc.contributor.authorLi, Nan
dc.coverage.issue1cs
dc.coverage.volume25cs
dc.date.accessioned2016-04-20T06:25:34Z
dc.date.available2016-04-20T06:25:34Z
dc.date.issued2016-04cs
dc.description.abstractA novel design of high-gain and low-scattering waveguide slot antenna is proposed in this paper. Firstly the scattering pattern of artificial magnetic conductor (AMC) composite surface is estimated by array factor analysis method. The comparison between octagonal ring arrangement and chessboard arrangement proves that the former arrangement has the characteristic of diffuseness-like and expands the bandwidth of radar cross section (RCS) reduction. Secondly, the metal surface of waveguide slot antenna (WSA) is replaced by the octagonal ring arrangement composite surface (ORACS). The gain is improved because of spurious radiation units which are around the slot. At the same time using the phase cancellation principle, a backscatter null achieves RCS reduction in the vertical direction. Experimental results show that the novel antenna after loading with the ORACS, the gain is improved by 5dB; the bandwidth of RCS reduction (reduction greater than 10dB) is 5.24-5.92 GHz.en
dc.formattextcs
dc.format.extent46-52cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2016 vol. 25, č. 1, s. 46-52. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2016.0046en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57908
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2016/16_01_0161_0168.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectWaveguide slot antennaen
dc.subjectartificial magnetic conductoren
dc.subjectoctagonal ring arrangement.en
dc.titleA High-gain and Low-scattering Waveguide Slot Antenna of Artificial Magnetic Conductor Octagonal Ring Arrangementen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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