Communications: radio wave antennas – Antennas – Wave guide type
Patent
1990-12-28
1992-03-03
Gregory, Bernarr E.
Communications: radio wave antennas
Antennas
Wave guide type
343781R, H01Q 1300
Patent
active
H00010340
ABSTRACT:
A millimeter wave Cassegrain antenna for a seeker missile wherein a sub-reflector has two side portions which can be masked in order to widen the antenna's azimuth beam width without widening the elevation pattern. The side portions of the sub-reflector are masked by a radar absorbing material which is disposed in a masking position as the missile approaches its target.
Gregory Bernarr E.
McDonnell Thomas E.
Miles Edward F.
United States of America
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