Noise suppression apparatus

Details Noise suppression apparatus Noise suppression apparatus

1993-03-10

1995-06-27

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

375346, H04B 110

Patent

active

054288320

ABSTRACT:
A noise suppression apparatus comprising a tuner 1 which selectively receiving a radio wave signal to be received and transforming it into an electric signal, a field information detector 2 which detects electric field information of the radio wave signal received by the tuner 1, a noise data generator 6 which generates a noise pattern on the basis of the electric field information .detected by the field information detector 2, a noise canceler 4 which removes an noise component from the signal outputted from the tuner 1 on the basis of the noise pattern generated by the noise data generator 6, and an amplifier 7 which outputs a noiseless signal outputted from the noise canceler 4.

REFERENCES:
patent: 3857104 (1974-12-01), Sacks
patent: 4351062 (1982-09-01), Yoshiya
patent: 4426727 (1984-01-01), Hamada
patent: 4901150 (1990-02-01), Klingelhofer et al.
patent: 4969207 (1990-10-01), Sakamoto et al.
IEE Proceedings-G vol. 136, No. 5, Oct. 1989, Stevenage, Herts, GB, pp. 269-277, XP66014, Boussakta et al, `Prime-factor Hartley and Hartley-like Transform Calculation Using Transversal Filter-type Structures`.

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