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http://dx.doi.org/10.12989/sem.2007.27.2.173

Applications of the wavelet transform in the generation and analysis of spectrum-compatible records  

Suarez, Luis E. (Department of Civil Engineering and Surveying, University of Puerto Rico)
Montejo, Luis A. (Department of Civil Construction and Environmental Engineering, North Carolina State University)
Publication Information
Structural Engineering and Mechanics / v.27, no.2, 2007 , pp. 173-197 More about this Journal
Abstract
A wavelet-based procedure to generate artificial accelerograms compatible with a prescribed seismic design spectrum is described. A procedure to perform a baseline correction of the compatible accelerograms is also described. To examine how the frequency content of the modified records evolves with time, they are analyzed in the time and frequency using the wavelet transform. The changes in the strong motion duration and input energy spectrum are also investigated. An alternative way to match the design spectrum, termed the "two-band matching procedure", is proposed with the objective of preserving the non-stationary characteristics of the original record in the modified accelerogram.
Keywords
spectrum compatible accelerograms; wavelet transform; baseline correction; input energy spectrum; strong motion duration;
Citations & Related Records

Times Cited By Web Of Science : 5  (Related Records In Web of Science)
Times Cited By SCOPUS : 9
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