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Progress In Electromagnetics Research
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A TWO-SLOT ARRAY ANTENNA ON A CONCENTRIC SECTORAL CYLINDRICAL CAVITY EXCITED BY A COUPLING SLOT

By P. Wounchoum, D. Worasawate, C. Phongcharoenpanich, and M. Krairiksh

Full Article PDF (2,144 KB)

Abstract:
A two-slot array antenna on a concentric sectoral cylindrical cavity excited by a coupling slot is investigated. The electromagnetic fields and Q factors for the first few modes of a concentric sectoral cylindrical cavity are presented. It shows that the appropriate mode for a slot array antenna on a concentric sectoral cylindrical cavity is the TM110 mode. The correlations between each mode distribution and the magnetic field distributions inside the cavity are presented. The antenna design and the parametric study of a two-slot array antenna on a concentric sectoral cylindrical cavity for a single sector are illustrated. Simulated results are validated by measurements. The results provide useful information for the design of a switched-beam slot array antenna on the concentric sectoral cylindrical cavities.

Citation:
P. Wounchoum, D. Worasawate, C. Phongcharoenpanich, and M. Krairiksh, " a two - slot array antenna on a concentric sectoral cylindrical cavity excited by a coupling slot ," Progress In Electromagnetics Research, Vol. 86, 135-154, 2008.
doi:10.2528/PIER08091204
http://www.jpier.org/PIER/pier.php?paper=08091204

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