Offset antenna having improved symmetry in the radiation pattern

Details Offset antenna having improved symmetry in the radiation pattern Offset antenna having improved symmetry in the radiation pattern

1977-12-05

1979-08-28

Moore, David K.

Communications: radio wave antennas

Antennas

Wave guide type

343840, 343837, H01Q 1914

Patent

active

041662768

ABSTRACT:
The present invention relates to an antenna system for providing substantially perfect axial symmetry in the radiation pattern which combines (a) a curved main reflector, (b) at least two confocal subreflectors disposed to sequentially reflect a ray in either direction between the main reflector and a focal point of the antenna system as provided by the subreflector most distant along the feed axis from the main reflector, and (c) a symmetrical feedhorn disposed at the focal point of the antenna system so that its longitudinal axis coincides with the equivalent axis of the antenna system.

REFERENCES:
patent: 3414904 (1968-12-01), Ajioka

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