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Radiation Characteristics of Antennas on the Reactive Impedance Surface of a Circular Cylinder Providing Reduced Coupling

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Author(s): Jean-Francois D. Essiben | Eric R. Hedin | Yong S. Joe

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 02;
Issue: 04;
Start page: 195;
Date: 2010;
Original page

Keywords: Decoupling | Radiation | Reactive Impedance Structure

ABSTRACT
The radiation characteristics of waveguide antennas located on the surface of a circular cylinder are investigated theoretically and numerically. A reactive impedance structure is used to provide reduced coupling between two antennas on the surface of a cylinder. Using the moment method, a solution to the problem of the radiation of a single and two parallel-plate waveguides located on the surface of a reactive impedance cylinder is derived. The influence of the reactive impedance structure on the coefficient of standing waves, the radiation patterns, and the decoupling between antennas is studied.
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