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Method for validating the value of a parameter

  • US 4,761,748 A
  • Filed: 09/13/1985
  • Issued: 08/02/1988
  • Est. Priority Date: 09/13/1984
  • Status: Expired due to Fees
First Claim
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1. A signal validation method for generating a reliable signal from a plurality of redundant received signals, comprising the following steps:

  • simultaneously measuring samples of each of said received signals;

    memorizing the values of the last N samples (N≧

    2) of each received signal;

    determining a plurality of model functions corresponding to the N memorized samples for each of said received signals, said model functions being defined as a plurality of parameters representing an approximate function for said N memorized samples;

    calculating a dispersion coefficient representing the difference between each sample of the N memorized samples and a sample, determined by the model functions;

    validating said model functions by comparing said dispersion coefficient with a predetermined dispersion threshold, said model function being valid if said dispersion coefficient is smaller than said predetermined dispersion threshold; and

    generating said reliable signal by determining a value for a sample of said reliable signal as a function of at least some of said valid model functions.

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