High resolution side-looking airborne radar antenna

Communications: radio wave antennas – Antennas – With aircraft

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Details

343753, 343755, 343840, H01Q 128, H01Q 1906, H01Q 1912

Patent

active

041480406

ABSTRACT:
A feed horn mounted within a streamlined enclosure upon the top surface of a wing of an aircraft at an outwardly-spaced location to direct electromagnetic wave energy toward the face surface of a dielectric slim lens having a metallic reflector between the lens and the fuselage of the aircraft to effect a double-traversal of the incident wave energy. The metallic reflector is planar or parabolic to trim the aerodynamic cross section. When the metal skin of the fuselage is used as the reflector, the dielectric constant of the lens is modified by varying its thickness to produce a very sharp beam by compensating for the curvature of the fuselage at the lens support site.

REFERENCES:
patent: 2609505 (1952-09-01), Pippard
patent: 2705753 (1955-04-01), Jaffe
patent: 2995740 (1961-08-01), Shreckengost
patent: 3656164 (1972-04-01), Rempt
"Piggy-Back Flying Saucer Tested," The Washington Post & Times Herald, Friday, Aug. 10, 1956, p. 16.

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