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Correlation system using matched signals

  • US 3,939,461 A
  • Filed: 11/19/1962
  • Issued: 02/17/1976
  • Est. Priority Date: 11/19/1962
  • Status: Expired due to Term
First Claim
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1. A method for reconstituting a signal which must be propagated between two points in a bounded physical medium so that an approximation of said signal is recoverable comprising the steps of:

  • propagating said signal from one point to another point within said bounded medium;

    receiving the propagated signal at said other point;

    reversing said received signal with respect to time so that it constitutes a signal matched to the characteristic response of the bounded medium between said two points; and

    propagating said matched signal through said bounded physical medium from one of said points when a signal approximating said originally propagated signal is desired at the other of said points.

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