Detection and diagnosis of abrupt changes in modal characteristics of nonstationary digital signals (Corresp.)

1 May 1986

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Information Theory

Vol. 32 (3) , 412-417
https://doi.org/10.1109/tit.1986.1057180

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.

Keywords

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