1998•IEE Proceedings - Microwaves Antennas and PropagationRequires access

Numerical optimisation of slot parameters for a concentric array radial line slot antenna

Akira Akiyama, T. Yamamoto, Makoto Ando, N. Goto

Abstract

Numerical slot design of a concentric array radial line slot antenna (CA-RLSA) with matching slots is proposed for small aperture antennas. In contrast to the previous design for large aperture RLSAs based upon continuous source model, parameters of discrete slots in the finite aperture are directly determined for uniform excitation. A remarkable efficiency of 85% and 82% is measured for 24 cm and 16 cm diameter antennas, respectively.

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Key concepts: Concentric, Radial line, Slot antenna, Line (geometry), Antenna (radio), Optics, Acoustics, Computer science