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Method for measuring frequency modulation rate characteristics for a swept frequency signal

  • US 5,291,200 A
  • Filed: 08/20/1992
  • Issued: 03/01/1994
  • Est. Priority Date: 08/20/1992
  • Status: Expired due to Term
First Claim
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1. A method for measuring frequency modulation rate characteristics for a swept frequency signal, comprising:

  • sampling the zero crossings of a frequency modulation rate signal;

    using the sampled zero crossings for initially estimating the sweeping characteristics of the frequency modulation rate signal;

    tracking the error of the estimate;

    updating the estimate if the error is beyond a predetermined threshold; and

    using the updated estimate for measuring the frequency modulation rate characteristics.

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