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2010-07-25

Non-Iterative Imaging of Thin Electromagnetic Inclusions from Multi-Frequency Response Matrix

By Won-Kwang Park
Progress In Electromagnetics Research, Vol. 106, 225-241, 2010
doi:10.2528/PIER10052506

Abstract

Although MUSIC (MUltiple SIgnal Classification)-type algorithm has shown feasibilities as a non-iterative imaging technique of thin penetrable electromagnetic inclusion from its far-field multi-static response (MSR) matrix, it induces a poor result whenever one tries to obtain such inclusion of both dielectric and magnetic contrast with respect to the embedding homogeneous space R2 case. In this paper, we develop an improved non-iterative imaging algorithm based on the modeling of multi-frequency MSR matrix according to a rigorous asymptotic expansion of the scattering amplitude. Numerical examples exhibit that presented algorithm performs satisfactorily for single and multiple thin inclusions, even with a fair amount of random noise.

Citation


Won-Kwang Park, "Non-Iterative Imaging of Thin Electromagnetic Inclusions from Multi-Frequency Response Matrix," Progress In Electromagnetics Research, Vol. 106, 225-241, 2010.
doi:10.2528/PIER10052506
http://jpier.org/PIER/pier.php?paper=10052506

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