Detection and diagnosis of abrupt changes in modal characteristics of nonstationary digital signals

  • Authors:

  • M Basseville;A Benveniste;G V Moustakides

  • Affiliations:

  • -;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 1986

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Abstract

New "instrumental" tests for detecting and diagnosing changes in the poles of a signal having unknown time-varying zeros are proposed. Numerical results for nonstationary scalar signals are given. The extension of these tests to the vector case may be used for vibration monitoring.