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An analytical study of source localization in shallow water by matched-field processing of horizontal arrays

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Abstract
Over the last few years a large number of studies have reported results of range-depth localization of sound sources by matched-field processing of vertical arrays in known environments. The performance of matched-field processing both with and without parameter mismatch has been tested in various types of environments. A few successful results obtained with real data have
 
been reported recently and, from an ASW point of view, there is an obvious interest in extending such methods to horizontal arrays.
 
This report focuses on the evaluation of the feasibility of matched-field processing for source localization using horizontal arrays, under different array, source
 
and frequency processing conditions. The acoustic sound field was simulated using the SACLANTCEN normal mode propagation model (SNAP) in a realistic shallow water environment in a no mismatch condition. The results of this study indicate that adequate performance of the minimum-variance matchedfield
 
processor can be obtained for realistic array systems and frequencies for sources at bearings from 45' to endfire at tactically significant source ranges and strengths.
 

URI
http://hdl.handle.net/20.500.12489/208

Report Number
SM-255

Collections
  • Technical Reports

Date
1992/08

Author(s)
Abraham, Douglas A.

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SM-255-UU.pdf (3.946Mb)

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