DocumentCode
938411
Title
Filtering secondary mirror for a dual-band Cassegrain reflector antenna
Author
Langley, Richard J. ; Parker, Edward A.
Author_Institution
University of Kent at Canterbury, Electronics Laboratories, Canterbury, UK
Volume
12
Issue
15
fYear
1976
Firstpage
366
Lastpage
367
Abstract
A dual-frequency Cassegrain reflector antenna has been investigated in which the secondary mirror is constructed from a stack of waveguides. The secondary mirror behaves as a highpass filter, giving access to the prime-focus feed position at the higher-frequency band. The copolar and crosspolar radiation patterns are discussed.
Keywords
antenna accessories; antenna radiation patterns; filters; reflector antennas; copolar radiation patterns; crosspolar radiation patterns; dual band Cassegrain reflector antenna; highpass filter; prime focus feed position; secondary mirror;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19760281
Filename
4239870
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