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Methods for reducing noise in an electrical signal

  • US 5,652,715 A
  • Filed: 06/07/1995
  • Issued: 07/29/1997
  • Est. Priority Date: 12/30/1993
  • Status: Expired due to Fees
First Claim
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1. A method for reducing the noise in an electrical signal, said signal having a finite length, comprising:

  • (a) providing a function defined over the length of the signal which characterizes the signal'"'"'s local noise;

    (b) locally evaluating said function;

    (c) locally determining the signal'"'"'s noise based on the result of step (b);

    (d) locally subtracting the noise determined in step (c) from the signal; and

    (e) repeating steps (b) through (d) over the length of the signal so as to produce a noise-reduced signal.

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