H - Electricity – 03 – M
Patent
H - Electricity
03
M
H03M 1/06 (2006.01)
Patent
CA 2560586
A method of converting an input analog signal to a compensated digital signal comprises converting the input analog signal to an uncompensated digital signal, inputting the uncompensated digital signal to a distortion model, generating a modeled distortion signal based on the uncompensated digital signal, and subtracting the modeled distortion signal from the uncompensated digital signal to generate the compensated digital signal. A distortion compensating analog to digital converter (ADC) comprises an uncompensated ADC configured to convert an input analog signal to an uncompensated digital signal, and a compensation module coupled to the uncompensated ADC, configured to receive the uncompensated digital signal, generate a modeled distortion signal based on the uncompensated digital signal and subtract the modeled distortion signal from the uncompensated digital signal to generate the compensated digital signal.
L'invention concerne un procédé pour convertir un signal analogique d'entrée en un signal numérique compensé; il consiste à convertir le signal analogique d'entrée en un signal numérique non compensé, à introduire le signal numérique non compensé dans un modèle de distorsion, à générer un signal de distorsion modelé sur la base du signal numérique non compensé, et à soustraire le signal de distorsion modelé du signal numérique non compensé pour générer le signal numérique compensé. Un convertisseur analogique au numérique à compensation de distorsion (ADC) comprend un ADC non compensé configuré pour convertir un signal analogique d'entrée en un signal numérique non compensé, et un module de compensation couplé à l'ADC non compensé, configuré pour recevoir le signal numérique non compensé, générer un signal de distorsion modelé sur la base du signal numérique non compensé et soustraire le signal de distorsion modelé du signal numérique non compensé pour générer le signal numérique compensé.
Optichron Inc.
Smart & Biggar
LandOfFree
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