Constant beamwidth scanning array

Details Constant beamwidth scanning array Constant beamwidth scanning array

1989-11-06

1992-03-24

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

H01Q 19060, H01Q 3260

Patent

active

050992538

ABSTRACT:
An array antenna system producing beams with widths constant with scan angle. The antenna array is fed by a microwave lens. The beam ports of the lens are disposed along an arc displaced from the focal arc of the lens. The distance between the arc and the focal arm decreases from a maximum amount at the center of the lens to a minimum amount where the arc intersects the focal arc.

REFERENCES:
patent: 3911442 (1975-10-01), Hatch
patent: 3921176 (1975-11-01), Shanafelt et al.
patent: 4086597 (1978-04-01), Sinsky et al.
patent: 4348678 (1982-09-01), Thomas
patent: 4578680 (1986-03-01), Haupt

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