Clutter and multipath suppressing sidelobe canceller antenna sys

Details Clutter and multipath suppressing sidelobe canceller antenna sys Clutter and multipath suppressing sidelobe canceller antenna sys

1977-08-09

1982-11-16

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343754, H01Q10906

Patent

active

043597386

ABSTRACT:
An improved antenna and interference-cancelling system for improving signal ampling, particularly in side-lobe canceller system operating in a multiple-interference-source environment. An antenna is constructed as a circularly symmetric lens having loosely coupled feed elements disposed around the periphery of the lens. Each feed element acts as a high-azimuth-gain antenna which permits signal reception from all directions. The lens, when connected to couple the receiving feed elements to a side-lobe canceller, permits the canceller to discriminate against clutter and scattered signals and resolve interference sources in angle so that all canceller loops do not receive signals from all other interference sources, while still providing interference samples from all directions.

REFERENCES:
patent: 3090956 (1963-05-01), Woodward, Jr. et al.
patent: 3202990 (1965-08-01), Howells
patent: 3754270 (1973-08-01), Thies, Jr.
patent: 3958246 (1976-05-01), Wohler et al.

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