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Measurement, data acquisition, and signal processing

  • US 6,591,121 B1
  • Filed: 02/17/2000
  • Issued: 07/08/2003
  • Est. Priority Date: 09/10/1996
  • Status: Expired due to Fees
First Claim
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1. In an opto-electronic device utilizing a band of light for quantitative analysis of a specimen containing a target molecule, the opto-electronic device comprising a specimen cell adapted for receiving the specimen and for transporting the band of light, a device for comparing the band of light before entering the specimen with the band of light after exiting the specimen, the device for comparing comprising:

  • an optical sensor; and

    , a signal processor for determining a quantitative level of the target molecule within the specimen;

    wherein the signal processor utilizes Bayes'"'"'s Theorem for determining the quantitative level of the target molecule within the specimen and a probability density of interest is estimated as PR(c|I), is estimated as PR(c|I)=∫



    P(cα

    |DI), where c is the concentration of the target molecule conditioned on data D and any prior information I, and the probability density for parameters c, α

    conditioned on data D is P

    (c





    α

    |DI
    )
    =P

    (D|c





    α







    I
    )


    P

    (c





    α

    |I
    )
    P

    (D|I)
    ,
    embedded imagewhereP(D|cα

    I)=Likelihood Function, P(cα

    |I)=Prior Probability Density, P(D|I)=Probability Density for D.

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