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PIER PIER B PIER C PIER M PIER Letters
2008-10-07
A Two-Slot Array Antenna on a Concentric Sectoral Cylindrical Cavity Excited by a Coupling Slot
By
Phairote Wounchoum,

    Dr. Phairote Wounchoum

    Department of Telecommunication Engineering

    King Mongkut's Institute of Technology Ladkrabang

    Thailand

    Homepage

Denchai Worasawate,

    Dr. Denchai Worasawate

    Department of Electrical Engineering

    Kasetsart University

    Thailand

    Homepage

Chuwong Phongcharoenpanich,

    Dr. Chuwong Phongcharoenpanich

    Faculty of Engineering

    King Mongkut's Institute of Technology Ladkrabang

    Thailand

    Homepage

Monai Krairiksh

    Prof. Monai Krairiksh

    Faculty of Engineering

    King Mongkut's Institute of Technology Ladkrabang

    Thailand

    Homepage

Progress In Electromagnetics Research, Vol. 86, 135-154, 2008
doi:10.2528/PIER08091204
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
Phairote Wounchoum, Denchai Worasawate, Chuwong Phongcharoenpanich, and Monai 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
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