Electrically scanned antenna for direction error measurement

Details Electrically scanned antenna for direction error measurement Electrically scanned antenna for direction error measurement

1975-06-23

1976-11-02

Lieberman, Eli

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343768, H01Q 326

Patent

active

039900770

ABSTRACT:
This invention relates to an electronically scanned array antenna with independent sum and difference excitations. The coupling coefficients of the feeding directional couplers are defined from a predetermined relation between the sum and difference excitations of each radiating source so that the maximum of the sum pattern and the nil of the difference pattern coincide whatever the scanning angle.

REFERENCES:
patent: 3906502 (1975-09-01), Connolly

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