Receiver and adaptive digital notch filter

Details Receiver and adaptive digital notch filter Receiver and adaptive digital notch filter

1991-03-20

1993-07-06

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

455295, 455307, 36472401, H04B 110, G06F 1531

Patent

active

052260577

ABSTRACT:
Adaptive IIR digital notch filters useful with RF receivers for reducing interference. One or more notch filters automatically tune, to an interferer frequency, via adapting of coefficients in the z-transform. Each notch tunes independently of any other.

REFERENCES:
patent: 4658368 (1987-04-01), Blais
patent: 4751663 (1988-06-01), Yamazaki
patent: 4908787 (1990-03-01), Dyer

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