Conical scan process in a radar antenna, radar antenna implement

Details Conical scan process in a radar antenna, radar antenna implement Conical scan process in a radar antenna, radar antenna implement

1983-06-03

1988-07-05

Blum, Theodore M.

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343763, H01Q 300

Patent

active

047558253

ABSTRACT:
The present invention relates to a conical scanning process in a radar antenna.
The antenna comprises a principal parabolic reflector (1) and a primary rear-feed source (2) fed by a circular waveguide (3) and displaced with respect to the focus of the parabolic reflector (1). The conical scanning is produced by the rotary movement of the parabolic reflector (1) about the source (2), the said source (2) and the circular guide (3) remaining fixed.
The present invention is applicable to tracking radars operating in the millimeter waveband.

REFERENCES:
patent: 2643338 (1953-06-01), Brady
patent: 2759182 (1955-08-01), Chaffee
patent: 3009152 (1961-11-01), Gregory et al.
patent: 3071770 (1963-01-01), Wilkes
patent: 3081048 (1963-03-01), Lapham
patent: 3898668 (1975-08-01), Evans et al.
patent: 4188632 (1980-02-01), Knox

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