Raising the crossover level of dual-beam parabolic antennas

Details Raising the crossover level of dual-beam parabolic antennas Raising the crossover level of dual-beam parabolic antennas

Oct 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ell....12..559l&link_type=abstract

Electronics Letters, vol. 12, Oct. 14, 1976, p. 559, 560.

Physics

Antenna Radiation Patterns, Crossovers, Microwave Antennas, Parabolic Antennas, Satellite Antennas, Two Reflector Antennas, Antenna Couplers, Antenna Design, Bandwidth, Decoupling, Phased Arrays

Scientific paper

Results are presented for a study on small reflector antennas with two independent beams, with special emphasis on the crossover level. It is shown that with the input ports almost decoupled simultaneously, the crossover level can be enhanced by applying controlled coupling to front-fed linearly polarized parabolic antennas of about 10 deg beamwidth. A second method to raise crossover level by means of lossy directional coupler is also described.

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