Frequency dispersion compensation in time reversal techniques for UWB electromagnetic waves


The invariance of the wave equation under time reversal enables optimal refocusing of ultrawideband waves by time-reversal (TR) arrays. This forms the basis of recently developed TR techniques for selective (re-)focusing and inverse scattering applications. However, in electromagnetic sensing applications involving lossy or dispersive media, such as earth… (More)
DOI: 10.1109/LGRS.2005.846835

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