novel circularly polarized substrate integrated waveguide slot antanna
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abstract
circularly-polarized antenna is built based on a new siw (substrate integrated waveguide)structure which contains cavity-backed resonator and a conventional polarized ring with twosquare slits in inner and outer ring that differ 90° at position and is proposed for right-handedcircular polarization (rhcp) and fabricated in two separate layers. a broadband impedancebandwidth of 13.9% and a rhcp axial ratio of 0.5ghz have been obtained under the conditionof less than vswr ≤2 and axial ratio≤ 3 db, respectively
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Journal title:
journal of artificial intelligence in electrical engineeringPublisher: ahar branch,islamic azad university, ahar,iran
ISSN 2345-4652
volume 4
issue 14 2015
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