Antenna system for locating a microwave signal source

Details Antenna system for locating a microwave signal source Antenna system for locating a microwave signal source

1980-05-01

1982-06-08

Buczinski, S. C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343777, 343778, 343854, H04B 700, H01Q 1300

Patent

active

043342256

ABSTRACT:
An antenna system for locating a microwave signal source utilizing two directional finding antennas (1,2) which have major radiation lobes (3,4) which are identical and are angularly offset relative to each other in the bearing plane but overlap so that the angular position of the signal source can be identified within the overlapping range of the lobes of the two antenna by using signal level comparison or ratio formation of two signal voltages received from the two antennas (1,2). False or ambiguous bearings occurring from side lobes which overlap are avoided by the use of a pair of auxiliary radiators (13, 14) which are associated with each of the primary directional finding antennas (1,2) and wherein the primary radiation direction of the auxiliary radiators are offset in the bearing plane by a specific angle relative to the direction of the primary direction finding antennas. The result is that the radiation level of each of the direction finding antennas (1,2) is accentuated on one side relative to the primary radiation direction. The antenna system with the present invention are also useful in intelligence radio transmitting and receiving systems.

REFERENCES:
patent: 3213446 (1965-10-01), Voyner
patent: 3916414 (1975-10-01), Trigon et al.
patent: 4007461 (1977-02-01), Lueotke et al.

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