Segmented phased array antenna system with mechanically movable

Details Segmented phased array antenna system with mechanically movable Segmented phased array antenna system with mechanically movable

1985-09-30

1988-10-18

LaRoche, Eugene R.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342375, 342157, 343705, 343757, 343758, H01Q 322, H01Q 324

Patent

active

047790970

ABSTRACT:
A segmented phased array antenna system for scanning two different ranges of directions with a single set of antenna elements. The system comprises a plurality of segments (40), each of which has a plurality of antenna elements (48) mounted therein. The segments are mounted by support means (42, 44, 46) such that each segment is movable between first and second positions. In each set of positions, the antenna elements are operated as a conventional phased array radar system. The antenna system may be longitudinally mounted along the upper surface of the fuselage of an airplane (10) to provide side-looking radar coverage to both sides of the airplane.

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Frank, J.; "Discrete-Beam Phased Array"; Microwave Journal; Oct. 1977; pp. 31-34.
Skolnik et al; Radar Handbook; Chapter 11-45, FIG. 31.
Eli Brookner, "Phased-Array Radars", Scientific American, vol. 252, No. 2, pp. 94-102, Feb. 1985.

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