USE OF CROSS-TIME–FREQUENCY ESTIMATORS F
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P. BONATO; R. CERAVOLO; A. DE STEFANO; F. MOLINARI
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Article
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2000
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Elsevier Science
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English
⚖ 280 KB
This paper introduces a new structural identi"cation method for use in non-stationary conditions, which applies to structures and systems in normal serviceability conditions, under unknown excitation. The proposed method uses auto-and cross-time}frequency transforms of accelerometer signals recorded