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Application of the wavelet transform to acoustic emission signals processing

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2 Author(s)
E. P. Serrano ; Fac. de Ciencias Exactas y Naturales, Buenos Aires Univ., Argentina ; M. A. Fabio

In acoustic emission signals processing, a common problem is to extract physical parameters of interest when these involve join variations of time and frequency. In this correspondence, a new family of spline wavelet packets is proposed for these purposes. They improve wavelet analysis, providing a time-scale frequency technique with adaptable precision. An appropriate scheme to decompose a given signal is also exposed

Published in:

IEEE Transactions on Signal Processing  (Volume:44 ,  Issue: 5 )