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The Full-Wave Radar Equation for Wave Propagation in Multilayered Media and Its Applications

Lambot, Sébastien;Wu, Kaijun;Sluÿters, Arthur;Vanderdonckt, Jean
(2024) Ground Penetrating Radar: From Theoretical Endeavors to Computational Electromagnetics, Signal Processing, Antenna Design and .. — ISBN: [9781789451573], p. 123-160, published

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Abstract
This chapter presents and explains the closed-form, far-field and near-field radar equations introduced by Lambot et al. and Lambot and André for full-wave modeling of radar data. It gives examples of inverse modeling applications, with a focus on soil moisture mapping and hand gesture recognition. The far-field full-wave radar equation assumes a homogeneous field distribution for the back-scattered field over the antenna aperture. The dyadic Green's function for wave propagation in planar multilayered media is an invaluable mathematical tool in the field of electromagnetic field theory, with countless applications ranging from antenna design to microwave remote sensing. The near-field radar equation can be derived in a similar fashion to the far-field equation. Remote sensing has become a valuable tool for mapping soil characteristics, including soil moisture.
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Lambot, S., Wu, K., Sluÿters, A., & Vanderdonckt, J. (2024). The Full-Wave Radar Equation for Wave Propagation in Multilayered Media and Its Applications. In Mohammed Serhir, Dominique Lesselier (ed.), Ground Penetrating Radar: From Theoretical Endeavors to Computational Electromagnetics, Signal Processing, Antenna Design and .. (p. p. 123-160). John Wiley. https://doi.org/10.1002/9781394284405.ch5