Technical memorandum: Bandwidth of a square hard horn
作者:
P.-S.Kildal,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1988)
卷期:
Volume 135,
issue 4
页码: 275-278
年代: 1988
DOI:10.1049/ip-h-2.1988.0056
出版商: IEE
数据来源: IET
摘要:
Horn antennas with dielectrically-filled longitudinal corrugations have recently been presented, and have been referred to as hard horns. Cylindrical hard horns can support a TEM wave at the design frequency, providing uniform aperture distribution and zero cross polarisation: this makes them attractive to use as compact elements in cluster feeds. In the paper the characteristic equation of a square hard waveguide is presented, and the crosspolar bandwidth is determined.
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