Multimode Horn with Low Cross Polarization Optimized for Dual-Band Use

Hiroyuki DEGUCHI, Takaharu GOTO, Mikio TSUJI, Hiroshi SHIGESAWA, Soichi MATSUMOTO

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Summary :

A multimode horn with both a low cross-polarization component less than -30 dB and good VSWR characteristics has been realized at frequency bands 8.6-9.8 GHz and 10.75-11.15 GHz. The improved performance of the proposed horn is verified by comparing with the previous dual-band double-flared horn. The design method for such a horn is based on the mode-matching approach combined with the optimization procedure. This paper proposes an objective function taking account of a spill-over loss and a rotational symmetry in the radiated field instead of an ideal radiation pattern. The effectiveness of our horn is verified by comparison between experimental results in the X band and predicted ones.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.9 pp.2777-2782
Publication Date
2004/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antennas and Propagation

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