Decomposition of the Multistatic Response Matrix and Target Characterization

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Decomposition of the time-reversal operator for an array, or equivalently the singular value decomposition of the multistatic response matrix, has been used to improve imaging and localization of targets in complicated media. Typically, each singular value is associated with one scatterer even though it has been shown in several cases that a single scatterer can generate several singular values. In this paper we review the analysis of the time-reversal operator (TRO), or equivalently the multistatic response matrix (MRM), of an array system and a small target. We begin with two-dimensional scattering from a small cylinder then show the results for ... continued below

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6 p. (0.1 MB)

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Chambers, D H February 14, 2008.

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Decomposition of the time-reversal operator for an array, or equivalently the singular value decomposition of the multistatic response matrix, has been used to improve imaging and localization of targets in complicated media. Typically, each singular value is associated with one scatterer even though it has been shown in several cases that a single scatterer can generate several singular values. In this paper we review the analysis of the time-reversal operator (TRO), or equivalently the multistatic response matrix (MRM), of an array system and a small target. We begin with two-dimensional scattering from a small cylinder then show the results for a small non-spherical target in three dimensions. We show that the number and magnitudes of the singular values contain information about target composition, shape, and orientation.

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6 p. (0.1 MB)

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PDF-file: 6 pages; size: 0.1 Mbytes

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  • Presented at: XXIXth URSI General Assembly, Chicago, IL, United States, Aug 09 - Aug 16, 2008

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  • Report No.: LLNL-CONF-401454
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 944373
  • Archival Resource Key: ark:/67531/metadc899547

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  • February 14, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • April 13, 2017, 6:30 p.m.

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Chambers, D H. Decomposition of the Multistatic Response Matrix and Target Characterization, article, February 14, 2008; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc899547/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.