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In this contribution we propose a remote sensing technique for subsurface imaging through the seawater. The technique is based on the detection and processing of the evolving Brillouin precursors due to the ultrawideband(UWB) input electromagnetic waves traveling through the dispersive seawater and sand. The proposed technique is validated using simulation studies for layered media, i.e. Seawater...
In this letter, we investigate the propagation of Brillouin precursors through dispersive foliage media, using leafy vegetation dielectric models proposed by Fung-Ulaby, El Rayes-Ulaby, Brown-Curry-Ding, Maetzler, and Pearce. A fast-Fourier-transform-based formulation is used to analyze the peak amplitude decay and pulse broadening effect (or effective oscillation frequency) related to the precursor...
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