Source Reconstruction From Wideband and Band-Limited Responses by FDTD Time Reversal and Regularized Least Squares

Time-reversal (TR) methods have been applied to reconstruct electromagnetic sources. Electromagnetic signals emitted by unknown sources are received at preselected output locations in a loss-free ergodic cavity, reversed in time, and then reinjected back into the output locations; the peak values of...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2017-12, Vol.65 (12), p.4785-4793
Hauptverfasser:	Wei Fan, Zhizhang Chen, Hoefer, Wolfgang J. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Band-limited responses Broadband Cavity resonators Feasibility studies Finite difference method Finite difference methods Finite difference time domain method finite-difference time-domain (FDTD) method Focusing Image reconstruction Mathematical models Microwave theory and techniques multiple source reconstruction Parseval’s theorem Position measurement regularized least squares (RLSs) time reversal (TR) Time-domain analysis
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