Dual switch multimode array antenna

Details Dual switch multimode array antenna Dual switch multimode array antenna

1980-12-23

1982-11-16

Lieberman, Eli

Communications: radio wave antennas

Antennas

Slot type

H01Q 1310

Patent

active

043597424

ABSTRACT:
A dual switch multimode array antenna capable of being switched between two modes through the use of two waveguide switches and a pair of phase shifters. The first mode produces a pencil beam with a monopulse capability and the two switches divide the transmit power equally between the four quadrants. A monopulse capability exists both in azimuth and elevation in this first mode. With the switches and phase shifters transitioned to the second position, illuminated power is directed to the two quadrants and the upper half of the antenna only. This produces the well known cosec.sup.2 .theta. cos.theta. beam in elevation. An azimuth monopulse capability is available in this mode.

REFERENCES:
patent: 3136993 (1964-06-01), Goldbohm
patent: 3893124 (1975-07-01), Barker

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