DocumentCode
994500
Title
Limitations of the projected shadow method for estimating the strut influence in paraboloidal antennas
Author
Hombach, V. ; Thielen, H.
Author_Institution
Deutsche Bundespost, Forschungsinstitut, Darmstadt, West Germany
Volume
20
Issue
19
fYear
1984
Firstpage
792
Lastpage
794
Abstract
The results of two convenient methods for calculating the sidelobe level caused by the feed support struts of paraboloidal reflector antennas have been compared. These methods are the simple `projected shadow method¿ and the more sophisticated `equivalent current approach¿. It turns out that the shadow method is applicable for the computation of the sidelobes of large antennas up to an angle of 3 to 4° from boresight and in the case of small antennas up to 8 to 10°.
Keywords
antenna radiation patterns; antenna theory; reflector antennas; dish antennas; equivalent current approach; feed support struts; large antennas; limitations; parabolic antennas; paraboloidal antennas; paraboloidal reflector antennas; projected shadow method; sidelobe computation; sidelobe level; small antennas; strut influence;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19840539
Filename
4249048
Link To Document