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Detection and imaging of moving targets in wide band SAS using fast time backprojection combined with space time processing
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2005 (English)Conference paper (Refereed) Published
Abstract [en]

This paper present a method to combine SAS (Synthetic Aperture Sonar) imaging of stationary targets with moving target detection and imaging. The proposed method uses a likelihood ratio for moving target detection in a wide band (WB) SAS system. For this paper, WB is defined as any systems having a large fractional bandwidth, i.e. an ultra wide frequency band combined with a wide antenna beam. The developed method combines time domain fast backprojection SAS processing methods with moving target detection using space-time processing. In the paper defocusing and detection of moving targets are investigated. Both the trajectory and the location of the moving target is given by mathematical expressions.

Place, publisher, year, edition, pages
Washington: IEEE , 2005.
Keyword [en]
sonar detection, sonar imaging, sonar tracking, synthetic aperture sonar, target tracking
National Category
Signal Processing
URN: urn:nbn:se:bth-9832ISI: 000238978702083Local ID: 0-933957-34-3OAI: diva2:837787
Available from: 2012-09-18 Created: 2006-02-06 Last updated: 2016-05-24Bibliographically approved

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Pettersson, MatsClaesson, Ingvar
Signal Processing

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