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Ultrasonic testing (UT) system having improved signal processing

  • US 5,837,899 A
  • Filed: 09/13/1996
  • Issued: 11/17/1998
  • Est. Priority Date: 09/13/1996
  • Status: Expired due to Term
First Claim
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1. An ultrasonic testing system for compressing digital data, comprising:

  • a pulsing circuit for stimulating an ultrasonic transducer with a voltage signal and for receiving an analog data signal from said transducer;

    a timing circuit for defining acquisition intervals;

    an analog-to-digital converter for converting said analog data signal into digital data at said acquisition intervals;

    a counter circuit for defining user-selected groups of digital data samples;

    a peak detector circuit for acquiring a peak value of said digital data within each of said groups of digital data samples; and

    a memory for storing only the peak values of said digital data one from each of said groups of digital data samples, whereby said digital data is compressed to said peak values.

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