AN ADAPTIVE METHOD TO FOCUSING IN AN UNKNOWN SCENARIO

The problem of field focusing onto a target location in an unknown scenario is considered. In particular, we devise an adaptive procedure in which first an image of the unknown region where the target point is located is formed via the linear sampling method (LSM). Then, the LSM result is used also...

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Bibliographic Details
Published in:Electromagnetic waves (Cambridge, Mass.) Mass.), 2012-01, Vol.130, p.563-579
Main Authors: Crocco, L, Donato, L. Di, Iero, D.A.M, Isernia, T
Format: Article
Language:English
Subjects:
Electric waves
Electromagnetic radiation
Electromagnetic waves
Engineering research
Target acquisition
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Summary:The problem of field focusing onto a target location in an unknown scenario is considered. In particular, we devise an adaptive procedure in which first an image of the unknown region where the target point is located is formed via the linear sampling method (LSM). Then, the LSM result is used also to define the excitations coefficients for the array elements needed to focus the field. This novel approach to focusing is described and tested with numerical examples.
ISSN:1559-8985
1070-4698
1559-8985
DOI:10.2528/PIER12050107