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Characterizing the statistical properties of a biological signal

  • US 4,979,110 A
  • Filed: 09/22/1988
  • Issued: 12/18/1990
  • Est. Priority Date: 09/22/1988
  • Status: Expired due to Term
First Claim
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1. Method for characterizing the fluctuations of a signal representing an underlying biological process, said signal being intermittently obscured by a relatively independent process resulting in a corrupted signal comprising:

  • noting the time intervals during which the obscuring process is occurring,constructing from the intervals a windowing function which makes a transition from one towards zero as the process obscures the signal and a transition towards one as the process terminates, andusing the windowing function to weight the relative contributions of corresponding segments of the corrupted signal to create a new signal,whereby a characterization of the statistical properties of the new signal can be made to approximate the characterization of the statistical properties of the signal in the absence of the effect of the obscuring process.

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