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Signal averaging circuit and method for sample averaging

  • US 7,765,251 B2
  • Filed: 12/16/2005
  • Issued: 07/27/2010
  • Est. Priority Date: 12/16/2005
  • Status: Active Grant
First Claim
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1. A method of computing a running average of samples of data over a number of samples, the method comprising steps of:

  • receiving and accumulating data samples in plurality of sample-accumulators of a signal averaging circuit while counting the number of samples received in a sample counter;

    alternately selecting an average of the samples accumulated in each of the plurality of sample accumulators by dividing the sum of the samples accumulated in each of the plurality of sample accumulators by the number of samples accumulated therein; and

    alternately resetting each of the sample accumulators after a number (N) of samples have been received,whereby a running average is provided over ((M−



    N) samples where M is the number of sample-accumulators.

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