DocumentCode
521850
Title
Omnidirectional dual-reflector shaping by concatenating conic sections
Author
Moreira, Fernando J S ; Bergmann, José R.
Author_Institution
Dept. Electron. Eng., Fed. Univ. of Minas Gerais, Belo Horizonte, Brazil
fYear
2010
fDate
12-16 April 2010
Firstpage
1
Lastpage
3
Abstract
This work presents the shaping of axis-symmetric omnidirectional dual-reflector antennas. The shaping procedure is based on the consecutive concatenation of conic sections, in order to provide a uniform phase distribution together with a prescribed amplitude distribution over the antenna cylindrical aperture under geometrical optics (GO) principles. To illustrate the shaping procedure, an axis-displaced Cassegrain is designed to provide a uniform aperture illumination. The GO shaping results are validated using accurate method-of-moments analysis.
Keywords
Antenna radiation patterns; Aperture antennas; Differential equations; Feeds; Geometrical optics; Lighting; Moment methods; Nonlinear equations; Reflector antennas; Tin;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on
Conference_Location
Barcelona, Spain
Print_ISBN
978-1-4244-6431-9
Electronic_ISBN
978-84-7653-472-4
Type
conf
Filename
5504998
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