Selectable filter for reducing Gaussian noise, co-channel and ad

Details Selectable filter for reducing Gaussian noise, co-channel and ad Selectable filter for reducing Gaussian noise, co-channel and ad

1992-11-13

1995-03-07

Urban, Edward F.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

455339, 36472401, 327553, H04B 110, G06F 1531

Patent

active

053966570

ABSTRACT:
The invention relates to an adjustable filter comprising means for analysing the received signal which identifies the type of interference signal present from a predetermined set of interference signal types and an adaptive filter responsive to a control signal produced by the means for analysing the received signal dependent on the type of the interference signal detected.

REFERENCES:
patent: 2923814 (1960-02-01), Smith-Vaniz, Jr.
patent: 4038539 (1977-07-01), Van Cleave
patent: 4322641 (1982-03-01), Packard
patent: 4761829 (1988-08-01), Lynk, Jr. et al.
patent: 4882668 (1989-11-01), Schmid et al.
patent: 4907293 (1990-03-01), Ueno
patent: 4910799 (1990-03-01), Takayama
patent: 5148548 (1992-09-01), Meche
patent: 5222255 (1993-06-01), Kuo et al.
Taub, Herbert, Principles of Communications Systems, 2nd Ed., 1986, pp. 315-321.

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