Electromagnetic time-reversal source localization in changing media: Experiment and analysis

Dehong Liu, Sathyanarayanan Vasudevan, Jeffrey Krolik, Guillaume Bal, Lawrence Carin

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


An experimental study is performed on electromagnetic time reversal in highly scattering environments, with a particular focus on performance when environmental conditions change. In particular, we consider the case for which there is a mismatch between the Green's function used on the forward measurement and that used for time-reversal inversion. We examine the degradation in the time-reversal image with increasing media mismatch, and consider techniques that mitigate such degradation. The experimental results are also compared with theoretical predictions for time reversal in changing media, with good agreement observed. © 2007 IEEE.
Original languageEnglish (US)
Pages (from-to)344-354
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Issue number2
StatePublished - Feb 1 2007
Externally publishedYes

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