Wind and Structures
Volume 3, Number 3, 2000, pages 159-175
DOI: 10.12989/was.2000.3.3.159
Wavelet-based detection and classification of roof-corner pressure transient
Chirs L. Pettit , Nicholas P. Jones , Roger Ghanem(U.S.A.)rn
Abstract
Many practical time series, including pressure signals measured on roof-corners of low-risernbuildings in quartering winds, consist of relatively quiescent periods interrupted by intermittent transients.rnThe dyadic wavelet transform is used to detect these transients in pressure time series and a relativelyrnsimple pattern classification scheme is used to detect underlying structure in these transients. Statisticalrnanalysis of the resulting pattern classes yields a library of signal
Key Words
wavelet transform; transients; detection; classification
Address
Chris L. Pettit, Air Force Research Laboratory, Wright-Patterson AFB, OH 45433-7532, U.S.A.rnNicholas P. Jones and Roger Ghanem, Department of Civil Engineering, The Johns Hopkins University, Baltimore, MD 21218, U.S.A.
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