Design of terrestrial sector-beam antennas using advanced spacecraft contoured beam synthesis software

08 Jul 2001

The design of a sector-beam antenna is described. The azimuth and elevation patterns are subject to stringent requirements on gain and isolation. A PO based synthesis method is applied to generate a shaped reflector surface that radiates the desired pattern when illuminated by a corrugated horn. A centre-fed as well as an offset design is presented. The designs fulfil the requirements, except for side lobes caused by the feed spillover effects. This cannot easily be incorporated into the synthesis, but may be dealt with by extending the rim of the reflector.

Publication: 2001 IEEE AP-S Symposium
Place: Boston, Massachusetts, USA, 8-13 July, 2001

Hans-Henrik Viskum /
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