Adapive sidelobe canceller system

Details Adapive sidelobe canceller system Adapive sidelobe canceller system

1974-08-16

1987-08-25

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Utilizing correlation techniques

342381, G01S 316, G01S 328

Patent

active

046896287

ABSTRACT:
An improved signal processing technique for developing a plurality of indndent samples, particularly for use in a canceller system receiving interference from a plurality of sources. Each of a plurality of signal channels sample the environment from a plurality of interference source and provide inputs to a configuration of adaptive canceller loops. The loops are connected to provide independent samples of the interference environment from each of the signal channels. In a canceller system, each of the independent loop outputs aree then used as an input to a canceller loop in the main channel to cancel interference in the receiving system. By using the independent samples, a receiving system can significantly increase interference cancellation and reduce the number of recirculations or iterations required.

REFERENCES:
patent: 3202990 (1965-08-01), Howells
patent: 3881177 (1975-04-01), Len et al.
patent: 3882498 (1975-05-01), McGuffin

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