Microwave antenna with parabolic main reflector

Details Microwave antenna with parabolic main reflector Microwave antenna with parabolic main reflector

1979-08-27

1981-06-09

Moore, David K.

Communications: radio wave antennas

Antennas

Wave guide type

343840, 343837, H01Q 1914

Patent

active

042727693

ABSTRACT:
A conical scan microwave antenna having a stationary fixed axially symmetric primary reflector consisting of any concave surface of revolution along with a spherical wave point source feed-and-subreflector assembly potentially rotatable about the axis of the primary reflector, and with the surface of the subreflecror being shaped so that the reflection of the spherical wave from the feed and off of the subreflector strikes the primary antenna and is reflected as a co-planar wavefront from every point on the primary reflector, and, further, the subreflector-and-feed assembly is located outside of the aperture of the reflected pencil beam such that for any given scan position of the subreflector, no portion of the reflected wavefront intersects the subreflector or its feed.

REFERENCES:
patent: 2419556 (1947-04-01), Feldman
patent: 3792480 (1974-02-01), Graham
patent: 3922682 (1975-11-01), Hyde
patent: 4145695 (1979-03-01), Gans

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