Steerable disk antenna

Details Steerable disk antenna Steerable disk antenna

1998-07-10

1999-11-16

Le, Hoanganh

Communications: radio wave antennas

Antennas

With aircraft

343705, 343708, 343872, H01Q 128, H01Q 142

Patent

active

059866110

ABSTRACT:
A radar antenna system, adapted to be supported on an aircraft for surveillance, employs a nonconducting disk radome structured with aerodynamic fairing and otherwise to produce relatively low aerodynamic drag. A plurality of struts are used to secure the disk radome to the aircraft with the disk radome generally extending in a solid horizontal reference plane. A plurality of elongated, relatively low gain radiating elements are supported by a ground-plane box within the disk radome, with the radiating elements distributed across the disk radome and disposed to radiate generally in the vertical direction. An electronic system is supported within the ground-plane box, and it includes respective transmit/receive circuits which send and receive radio frequency signals to and from the radiating elements. Power cables extend through the struts to couple signals between the electronic system in the disk radome and radar system level circuitry located externally of the disk radome.

REFERENCES:
patent: 2980909 (1961-04-01), Clanton, Jr. et al.
patent: 3045236 (1962-07-01), Colman et al.
patent: 3656164 (1972-04-01), Rempt
patent: 3984837 (1976-10-01), Tatnall
patent: 4380012 (1983-04-01), Bevan et al.
patent: 4749997 (1988-06-01), Canonico
patent: 5049891 (1991-09-01), Ettinger et al.

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