Numerical precorrection technique

Details Numerical precorrection technique Numerical precorrection technique

1987-06-22

1989-03-07

Mottola, Steven

Boots, shoes, and leggings

36472401, G06F 1535

Patent

active

048112640

ABSTRACT:
A numerical precorrection technique for modifying a digital signal corresponding to a desired analog signal to compensate for the characteristics of an analog filter which processes the digital signal after it is converted from digital to analog converts the digital signal into its spectral components. The spectral components are corrected according to the corresponding spectral characteristics of the analog filter for both amplitude and phase within the filter pass band and for phase only outside the filter pass band. The resulting corrected spectral components are converted into a corrected digital signal which is used to produce the desired analog signal.

REFERENCES:
patent: 4106103 (1978-08-01), Perrault
patent: 4554633 (1985-11-01), Glover et al.

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