Assembly of main and auxiliary electronic scanning antennas and

Details Assembly of main and auxiliary electronic scanning antennas and Assembly of main and auxiliary electronic scanning antennas and

1982-08-02

1985-10-01

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343361, 343371, G01S 736

Patent

active

045449252

ABSTRACT:
The invention relates to an assembly of main and auxiliary antennas for an electronic scanning radar. Each auxiliary antenna uses all or part of the elementary radiation sources of the main antenna. The energy received by each of them is sampled by a coupler and then phase shifted by an angle .phi.i in an adjustable phase shift circuit. The respective outputs of the phase shift circuits are concentrated within a waveguide. The auxiliary antennas are of the same type as the main antenna. The invention is applicable to radars equipped with an anti-jamming device.

REFERENCES:
patent: 3209355 (1965-09-01), Livingston
patent: 3308465 (1967-03-01), Tamama
patent: 3631503 (1971-12-01), Tang et al.
patent: 3987444 (1976-10-01), Masak et al.

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