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   -> Volume 6, Issue 2


Preprint: Improved transient signal detection
 
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"Nurit L. Weiss" (73074.3215@compuserve.com)
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PostPosted: Wed Feb 05, 1997 5:06 am    
Subject: Preprint: Improved transient signal detection
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#7 Preprint: Improved transient signal detection

Title: Improved transient signal detection using a wavepacket-based detector
with an extended translation-invariant wavelet transform

Authors: Stephen Del Marco and John Weiss

Abstract: This paper presents the theory of M-band, extended
translation-invariant wavelet transforms (ETI). The ETI generalizes
the translation-invariant wavelet transform of Weiss. It is shown that
iteration of the ETI, in a tree structure, provides a signal
decomposition into an orthonormal wave-packet basis. Other properties
such as translation-invariance and invertibility of the transform are
proven. The theory is then applied to transient signal detection
through development of a family of translation-invariant
wavepacket-based detectors. This family of detectors provides improved
performance over previously defined wavepacket-based detectors. A
performance analysis is conducted. ROC curves, generated by
Monte-Carlo simulation are presented indicating detector performance.
Detector performance is demonstrated to be independent of the signal
translation.

Note: To appear in IEEE Transactions of Signal Processing

Preprint available on the web in Postscript format:
http://www.tiac.net/users/nurit/ftp/ (click on ETI.ZIP)

John Weiss
nurit@tiac.net
http://www.tiac.net/users/nurit/
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