DocumentCode
1415834
Title
Shaping Axis-Symmetric Dual-Reflector Antennas by Combining Conic Sections
Author
Moreira, Fernando J S ; Bergmann, José R.
Author_Institution
Dept. of Electron. Eng., Fed. Univ. of Minas Gerais, Belo Horizonte, Brazil
Volume
59
Issue
3
fYear
2011
fDate
3/1/2011 12:00:00 AM
Firstpage
1042
Lastpage
1046
Abstract
A simple procedure for the shaping of axis-symmetric dual-reflector antennas is described. The shaping procedure is based on the consecutive concatenation of local conic sections suited to provide, under geometrical optics (GO) principles, an aperture field with uniform phase, together with a prescribed amplitude distribution. The procedure has fast numerical convergence and is valid for any circularly symmetric dual-reflector configuration. To illustrate the procedure two representative configurations are investigated. The GO shaping results are validated using accurate method-of-moments analysis.
Keywords
convergence of numerical methods; geometrical optics; method of moments; reflector antennas; aperture field; axis symmetric dual reflector antenna; conic sections; consecutive concatenation; geometrical optics principle; method-of-moments analysis; numerical convergence; Geometrical optics; reflector antennas; reflector shaping;
fLanguage
English
Journal_Title
Antennas and Propagation, IEEE Transactions on
Publisher
ieee
ISSN
0018-926X
Type
jour
DOI
10.1109/TAP.2010.2103028
Filename
5677590
Link To Document