Signal correction techniques
Errors present in the output of an amplifier ( 10 ) are compared with the amplifier input in a control unit ( 24 ) to derive corrected coefficients for a look-up table used by predistorter ( 12 ) to eliminate distortion in the output of the amplifier ( 10 ). Depending on the format of the predistort...
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| Zusammenfassung: | Errors present in the output of an amplifier ( 10 ) are compared with the amplifier input in a control unit ( 24 ) to derive corrected coefficients for a look-up table used by predistorter ( 12 ) to eliminate distortion in the output of the amplifier ( 10 ). Depending on the format of the predistorter ( 12 ), at least some of the coefficients are corrected using measured errors that have been rendered independent of the input signal's amplitude. |
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