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Development of a matched filter detector for acoustic signals at local distances from small explosions.

Authors
  • Taylor, Steven R
  • Arrowsmith, Stephen J
  • Anderson, Dale N
Type
Published Article
Journal
The Journal of the Acoustical Society of America
Publication Date
Jul 01, 2013
Volume
134
Issue
1
Identifiers
DOI: 10.1121/1.4809779
PMID: 23862912
Source
Medline
License
Unknown

Abstract

A method for acoustic detection of small explosions at local distances is presented combining a matched filter with a p-value representing the conditional probability of detection. Because the physics of signal generation and propagation for small, locally recorded acoustic signals from small explosions is well understood, the single hypothesis to be tested is a signal corrupted by additive noise. A simple analytical signal representation is used where a known signal is assumed with parameters to be determined. The advantage of the approach is that the detector can be combined with other detectors that measure different signal characteristics all under the same unifying hypothesis.

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