Title :
Modal considerations for synthesizing the tapering profile of a quadruple-ridged flared horn antenna
Author :
Beukman, T.S. ; Meyer, P. ; Ivashinay, M.V. ; Maaskant, R. ; de Villiers, Dirk I. L.
Author_Institution :
Dept. of Electr. & Electron. Eng., Stellenbosch Univ., Stellenbosch, South Africa
Abstract :
A technique is proposed to synthesize the ridge taper of a quadruple-ridged flared horn (QRFH) antenna. By considering the modal propagation in the horn it is possible to improve the antenna performance. A QRFH is designed for an offset Gregorian reflector system and produces an aperture efficiency above 50% across the entire operational bandwidth (6:1).
Keywords :
UHF antennas; electromagnetic wave propagation; horn antennas; microwave antennas; offset reflector antennas; QRFH; antenna performance improvement; aperture efficiency; modal propagation; offset Gregorian reflector system; quadruple-ridged flared horn antenna; tapering profile synthesis; Apertures; Bandwidth; Feeds; Frequency synthesizers; Horn antennas;
Conference_Titel :
Electromagnetics in Advanced Applications (ICEAA), 2014 International Conference on
Conference_Location :
Palm Beach
Print_ISBN :
978-1-4799-7325-5
DOI :
10.1109/ICEAA.2014.6903903
