Dual-loop slot array antenna radiating circularly polarised wave |
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| Authors: | Hirose K Horiuchi H Nakano H |
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| Affiliation: | Coll. of Eng., Hosei Univ., Tokyo, Japan; |
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| Abstract: | An array antenna consisting of dual-loop slot elements with a simple feeding system is realised. Each dual-loop element has two loop slots that are simultaneously fed by a single triplate transmission line. A narrowed beam, of circular polarisation, with an axial ratio of less than 3 dB, is obtained over a 3% bandwidth. The measured radiation pattern agrees well with a pattern calculated using array theory.<> |
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