Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Leaky-Wave Radiation from a Coaxial Waveguide with Periodic Circumferential Slots

  • Lee, Kyung-Bo (Kyungpook National University School of Electronics and Electrical Engineering) ;
  • Lee, Chang-Won (Kyungpook National University School of Electronics and Electrical Engineering) ;
  • Kim, Joong-Pyo (Kyungpook National University School of Electronics and Electrical Engineering) ;
  • Son, Hyon (Kyungpook National University School of Electronics and Electrical Engineering)
  • Published : 1998.06.01
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Abstract

The analysis of a coaxial cable with periodic slots as a leaky-wave antenna is considered. The mode matching method and method of moments with Galerkin testing procedure is then used to obtain the determinantal equation for the unknown leaky-wave propagating constant. Both technigues allow the fields to be obtained in any region, and the radiation characteristics of the structure. By resorting to a suitable numerical techniques, it is possible to calculate the leaky-wave propagating constants and the radiation patterns. Numerical results demonstrate the validity of the technique.

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