Title :
A comparison of reflector antenna design for wide-angle scanning
Author :
Zimmerman, M. ; Lee, S.W. ; Houshmand, B. ; Rahmat-Samii, Y. ; Acosta, R.
Author_Institution :
Illinois Univ., Urbana, IL, USA
Abstract :
The authors compare the ability of six single- and dual-reflector designs to scan up to 300 beamwidths in order to determine the feasibility of wide-angle scans using reflector antennas. The single reflectors are either parabolic symmetric dishes with f/D=2 or f/D=1 or an offset reflector with f/D=2. Scanning is accomplished for the first two designs by tilting the reflector dish. The third design is scanned electronically. The dual reflectors are Cassegrain designs. All designs have a circular diameter of 1000 wavelengths. Results obtained are presented and discussed.<>
Keywords :
antenna radiation patterns; reflector antennas; Cassegrain; antenna radiation patterns; offset reflector; parabolic symmetric dishes; reflector antenna; scanned electronically; single reflectors; wide-angle scanning; Antenna feeds; Antennas and propagation; Closed-form solution; Laboratories; Missiles; Propulsion; Reflector antennas; Writing;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1989. AP-S. Digest
Conference_Location :
San Jose, CA, USA
DOI :
10.1109/APS.1989.134667
