Title :
Evaluation of multi-band reflector antennas with frequency selective subreflectors
Author :
Wu, T.K. ; Lee, S.W.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
fDate :
June 28 1993-July 2 1993
Abstract :
The design and performance of a dual-screen FSS (frequency selective surface) with double-ring elements are demonstrated. Representative transmission data of this FSS are presented. In addition, the hybrid GO-PO (geometrical optics/physical optics) approach is employed to assess a dual reflector antenna with this FSS subreflector. Representative computed far-field patterns with and without the FSS are given for frequencies of 2.3, 8.4, 13.8, and 32 GHz. As expected, the sidelobe and cross-polarization levels are higher with the presence of the FSS. The peak gain is reduced with the FSS.<>
Keywords :
antenna radiation patterns; frequency selective surfaces; geometrical optics; microwave antennas; millimetre wave antennas; physical optics; reflector antennas; 13.8 GHz; 2.3 GHz; 32 GHz; 8.4 GHz; cross-polarization; design; double-ring elements; dual reflector antenna; far-field patterns; frequency selective subreflectors; geometrical optics; multi-band reflector antennas; peak gain; performance; physical optics; sidelobe; Apertures; Feeds; Frequency selective surfaces; Laboratories; Optical scattering; Physical optics; Polarization; Propulsion; Reflector antennas; Tellurium;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1993. AP-S. Digest
Conference_Location :
Ann Arbor, MI, USA
Print_ISBN :
0-7803-1246-5
DOI :
10.1109/APS.1993.385354
