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Split-step wavelet propagation modelling using local operators

Abstract : The atmospheric long-range propagation above the ground is of major importance for many ground systems as radars. The split-step wavelet method allows to compute efficiently this propagation, using a matrix-vector product for the free-space propagation. In this paper we propose a local method for the free-space propagation based on library of propa-gators. From numerical experiments, we show that this new method is cheaper in terms of memory cost whereas the matrix-vector product solution yields faster computation time.
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https://hal-enac.archives-ouvertes.fr/hal-02501259
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Thomas Bonnafont, Rémi Douvenot, Alexandre Chabory. Split-step wavelet propagation modelling using local operators. 2019 URSI International Symposium on Electromagnetic Theory (EMTS), May 2019, San Diego, United States. pp.1-4, ⟨10.23919/URSI-EMTS.2019.8931470⟩. ⟨hal-02501259⟩

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