DocumentCode :
1007399
Title :
A GTD analysis of the far-out sidelobes of cassegrain antennas
Author :
Mentzer, C.A. ; Peters, L., Jr.
Author_Institution :
Air Force Avionics Lab., Wright-Patterson Air Force Base, OH, USA
Volume :
23
Issue :
5
fYear :
1975
fDate :
9/1/1975 12:00:00 AM
Firstpage :
702
Lastpage :
709
Abstract :
Using recent developments of the geometrical theory of diffraction (GTD), the complete 
- and 
-plane patterns of Cassegrain antennas are computed. The pattern in the main beam region is computed by conventional aperture integration methods and the GTD analysis is used to evaluate the far-out lobes caused by spillover and by various edge diffraction processes. The effects of the edge curvature and surface curvature are included in the computations.
- and -plane patterns of Cassegrain antennas are computed. The pattern in the main beam region is computed by conventional aperture integration methods and the GTD analysis is used to evaluate the far-out lobes caused by spillover and by various edge diffraction processes. The effects of the edge curvature and surface curvature are included in the computations.Keywords :
Geometrical diffraction theory; Reflector antennas, multireflector; Aerospace electronics; Antenna feeds; Antenna theory; Antennas and propagation; Apertures; Horn antennas; Microwave antennas; Pattern analysis; Physical theory of diffraction; Reflector antennas;
fLanguage :
English
Journal_Title :
Antennas and Propagation, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-926X
Type :
jour
DOI :
10.1109/TAP.1975.1141143
Filename :
1141143
Link To Document :
