DocumentCode
1033589
Title
Null shift and beam squint in circularly polarized offset-reflector antenna
Author
Luh, Howard H S ; Tsao, Alex C H
Author_Institution
Ford Aerosp. and Commun. Corp., Palo Alto, CA, USA
Volume
34
Issue
1
fYear
1986
fDate
1/1/1986 12:00:00 AM
Firstpage
97
Lastpage
99
Abstract
A formula for the null shift of the difference mode pattern of an offset-reflector antenna is derived. It is shown that this null shift and the beam squint of the sum mode pattern have different values. Such a phenomenon must be considered in the design of a two-channel tracking system.
Keywords
Offset reflector antennas; Reflector antennas, offset; Antenna measurements; Apertures; Coordinate measuring machines; Difference equations; Erbium; Feeds; Geometry; Lighting; Polarization;
fLanguage
English
Journal_Title
Antennas and Propagation, IEEE Transactions on
Publisher
ieee
ISSN
0018-926X
Type
jour
DOI
10.1109/TAP.1986.1143724
Filename
1143724
Link To Document