Null mask

Details Null mask Null mask

1979-06-12

1981-06-02

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5FT, 350162SF, H02Q 334

Patent

active

042714133

ABSTRACT:
A coherent optical processor antenna controller which is capable of inserg deep nulls in the antenna pattern at selected locations, without degrading the remainder of the pattern. The processor includes a means for optically forming the far field antenna pattern at a plane and a means for sampling the far field pattern with a matrix of apertures at positions corresponding to the desired positions of the nulls being blocked.

REFERENCES:
patent: 4112430 (1978-09-01), Ladstatter
patent: 4207370 (1980-06-01), Liu

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