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Signal averaging circuit and method for sample averaging

  • US 20070143383A1
  • Filed: 12/16/2005
  • Published: 06/21/2007
  • 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 a plurality of sample-accumulators 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−

    1)·

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

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