Method and apparatus for suppressing digital error noise in digi

Details Method and apparatus for suppressing digital error noise in digi Method and apparatus for suppressing digital error noise in digi

1980-10-08

1982-09-21

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

364576, 179 1P, H03K 501

Patent

active

043510620

ABSTRACT:
In digital telecommunication, the suppression of digital error noise contained in the signals received by the receiver is accomplished by subjecting the received signals to Fourier transform thereby to obtain a frequency spectrum, subtracting a predetermined flat spectrum from the amplitude spectrum of the frequency spectrum, subjecting the resulting difference to invert Fourier transform thereby to extract any digital error noise component and correcting the particular sampled signal containing the noise component by use of interpolation with respect to the preceding and following sets each of several sampled signals between which the particular sampled signal is interposed, whereby sampled signals free from the digital error noise are delivered as output signals.

REFERENCES:
patent: 3699457 (1972-10-01), Wright
patent: 3953802 (1976-04-01), Morris et al.
patent: 4005417 (1977-01-01), Collins
patent: 4058713 (1977-11-01), DiTorro

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