Design and validation of a corrective subreflector for a 13.7 m antenna by microwave holography
作者:
M.P.Godwin,
F.B.N.Henchy,
W.N.Marshall,
期刊:
IEE Proceedings H (Microwaves, Antennas and Propagation)
(IET Available online 1985)
卷期:
Volume 132,
issue 7
页码: 447-450
年代: 1985
DOI:10.1049/ip-h-2.1985.0079
出版商: IEE
数据来源: IET
摘要:
An RF holographic technique was deployed as a diagnostic aid to ascertain whether the frequency range of an existing antenna could be increased. A simple economical subreflector was subsequently built to compensate for the observed astigmatism. A further holographic test was carried out to align the new subreflector, and the new antenna now operates satisfactorily in the 11 GHz band in Cassegrain mode.
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