Multiple-Step Rectangular Horn with Two Orthogonal Sectoral Tapers for Elliptical Beam(Aperture Antennas,<Special Section>Recent Progress in Electromagnetic Theory and Its Application)

概要

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This paper proposes a new rectangular horn with two orthogonal multiple-step taper sections for obtaining a dual-polarized elliptical-beam. One of the sections has a stepwise sectoral taper configuration on both sidewalls that starts with a square waveguide feed and then the other is a taper one on both top and bottom walls toward the rectangular aperture. The proposed taper configuration is useful enough to control higher-order modes required for an elliptical beam and is so simple to apply optimization design based on mode-matching approach. As a design example, we present a rectangular horn with -10dB beamwidth of 33゜×90゜at 9.5-10.5GHz. The effectiveness of the proposed horn is verified numerically and experimentally.
社団法人電子情報通信学会の論文
2007-02-01