Bifocal dual reflector antenna

Bifocal dual reflector antenna

A bifocal dual reflector antenna is similar to and has better scan capability than a classical Cassegrain reflector antenna. The method used in determining the reflector surfaces is a modification of a design method for the dielectric bifocal lens. Computed radiation characteristics of the bifocal r...

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Veröffentlicht in:I.R.E. transactions on antennas and propagation 1974-09, Vol.22 (5), p.711-714
1. Verfasser: Rao, B.L.
Format: Artikel
Sprache:eng
Schlagworte:
Dielectrics
Dipole antennas
Lenses
Permittivity
Radio frequency
Radio transmitters
Radiofrequency interference
Reflector antennas
Slabs
Surface waves
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Zusammenfassung:A bifocal dual reflector antenna is similar to and has better scan capability than a classical Cassegrain reflector antenna. The method used in determining the reflector surfaces is a modification of a design method for the dielectric bifocal lens. Computed radiation characteristics of the bifocal reflector system are compared with those of a classical Cassegrain reflector system. The results confirm that the bifocal reflector has superior scanning performance.
ISSN:0018-926X
0096-1973
1558-2221
DOI:10.1109/TAP.1974.1140869