Abstract
This paper presents both an analytical and numerical analysis of errors caused by time reversal of electromagnetic waves. Analytical results describing spatial resolution limita- tions due to the loss of evanescent waves is presented for a two-dimensional parallel plate metal waveguide fllled with an ideal and subsequently a lossy dielectric. An analytic model for a cylin- drical problem space is also given, which exhibits the same efiects observed for the waveguide problem. The properties of biological materials, speciflcally human Grey Matter, in relation to time reversal design techniques are also analyzed. The Transmission Line Modelling method is used to evaluate the numerical error of practical source reconstruction with respect to the modal content present in the forward simulation.
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