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Communication Dans Un Congrès Année : 2021

3D split-step wavelet method for the propagation over impedance ground condition

Résumé

The long-range propagation of electromagnetic waves over the ground is a major topic for many applications in communication, navigation, and surveillance. In this article, we propose a wavelet-based split-step method in 3D to compute the propagation in this context. Also, using the discrete-mixed Fourier transform (DMFT), transverse invariant impedance ground conditions are taken into account, for which the ground wave propagation is accurately computed. Numerical tests show that the method is fast, accurate, and memory efficient. Finally, we show that the widely used DMFT is not valid for transverse variant ground compositions.
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Dates et versions

hal-03426475 , version 1 (01-04-2022)

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Thomas Bonnafont, Rémi Douvenot, Alexandre Chabory. 3D split-step wavelet method for the propagation over impedance ground condition. 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Aug 2021, Rome, Italy. pp.01-04, ⟨10.23919/URSIGASS51995.2021.9560588⟩. ⟨hal-03426475⟩
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