In order to evaluate the potential for detection and identification of underwater unexploded ordnance (UXO) by exploiting their structural acoustic response, we carried out broadband monostatic scattering measurements over a full on UXO’s (two mortar rounds, an artillery shell, and a rocket warhead) and false targets (a cinder block and a large rock). The measurement band, , includes a low frequency structural acoustics region in which the wavelengths are comparable to or larger than the target characteristic dimensions. In general, there are aspects that provide relatively high target strength levels ( to ), and from our experience the targets should be detectable in this structural acoustics band in most acoustic environments. The rigid body scattering was also calculated for one UXO in order to highlight the measured scattering features involving elastic responses. The broadband scattering data should be able to support feature-based separation of UXO versus false targets and identification of various classes of UXO as well.
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February 2008
February 01 2008
Broadband acoustic scattering measurements of underwater unexploded ordnance (UXO)
J. A. Bucaro;
J. A. Bucaro
a)
Naval Research Laboratory
, Washington, D.C. 20375, USA
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B. H. Houston;
B. H. Houston
Naval Research Laboratory
, Washington, D.C. 20375, USA
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M. Saniga;
M. Saniga
Naval Research Laboratory
, Washington, D.C. 20375, USA
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L. R. Dragonette;
L. R. Dragonette
Naval Research Laboratory
, Washington, D.C. 20375, USA
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L. Carin
L. Carin
Duke University
, Durham, North Carolina 27708, USA
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a)
Author to whom correspondence should be addressed. Electronic mail: [email protected].
J. Acoust. Soc. Am. 123, 738–746 (2008)
Article history
Received:
May 08 2007
Accepted:
November 09 2007
Citation
J. A. Bucaro, B. H. Houston, M. Saniga, L. R. Dragonette, T. Yoder, S. Dey, L. Kraus, L. Carin; Broadband acoustic scattering measurements of underwater unexploded ordnance (UXO). J. Acoust. Soc. Am. 1 February 2008; 123 (2): 738–746. https://doi.org/10.1121/1.2821794
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