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Journal of the Korean Institute of Electromagnetic and Science 2002;2(2):87-92.
Short-Ended Electromagnetically Coupled Coaxial Dipole Array Antenna
Joong-Pyo Kim1, Chang-Won Lee2
1Communication Satellite Department, Korea Aerospace Research Institute
2School of Electronic & Electrical Engineering, Kyungpook National University
Abstract
A short-ended electromagnetically coupled coaxial dipole array antenna is investigated theoretically. The antenna has an advantage of structural simplicity. The integral equations are derived for the proposed structure by use of the Fourier transform and mode expansion, and the simultaneous linear equations are obtained. The slot electric field and strip current are obtained by solving the simultaneous linear equations. The effects of slot and strip numbers on the radiation efficiency, beamwidth and directivity gain of the antenna are presented.
Key words: Collinear Antennas, Coaxial Dipole Array, Electromagnetically Coupled, Short-Ended, Strip

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