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Signal correction techniques

  • US 7,042,286 B2
  • Filed: 06/11/2002
  • Issued: 05/09/2006
  • Est. Priority Date: 06/15/2001
  • Status: Expired due to Fees
First Claim
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1. A method for updating a first look-up table (LUT) used by distortion counteracting equipment to counteract distortion in signal handling equipment, the method comprising:

  • generating an error signal between (1) an output signal generated by the signal handling equipment based on an input signal having an amplitude and (2) a desired output signal for the signal handling equipment;

    generating a ratio by dividing the error signal by the amplitude of the input signal; and

    updating the first LUT based on the ratio of the error signal to the amplitude of the input signal.

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