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Journal of the Korean Institute of Electromagnetic and Science 2001;1(2):161-165.
Radiation Characteristics of Finite Strip-Grating Loaded Dielectric-Coated Coaxial Waveguide with Finite Periodic Thick Slots
Joong-Pyo Kim1, Chang-Won Lee2
1Communication Satellite Department, Korea Aerospace Research Institute
2School of Electronic & Electrical Engineering, Kyungpook National University
Abstract
The radiation characteristics of leaky wave emanated from finite strip-grating loaded dielectric coated coaxial waveguide with finite periodic thick slots are investigated theoretically. The rigorous integral equations are derived for the proposed structure using the courier transform, mode expansion, and sine series expansion of the electric current on metallic strips, and the simultaneous linear equations are obtained. The effects of finite strip-grating loading on a dielectric-coated coaxial waveguide with finite periodic thick slots are examined in terms of radiation characteristics.
Key words: coaxial waveguide, leaky wave antenna, periodic structure, strip-grating

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