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Comparison of Nx2D and 3D Split-Step Fourier Methods in Realistic 3D Ducting Conditions

Abstract : A 3D split-step Fourier method is presented and tested. It is based on a spectral representation of the discrete wave equation in cylindrical coordinates. The formulations in this method are self-consistent in the discrete domain. This method is applied to simulate the propagation with ducts retrieved after clutter data inversion. In the numerical tests, the difference between N × 2D and 3D models is not significant. Thus, in this case, considering the 3D atmosphere effects is unnecessary.
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Submitted on : Wednesday, July 25, 2018 - 11:28:53 AM
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Hang Zhou, Rémi Douvenot, Alexandre Chabory. Comparison of Nx2D and 3D Split-Step Fourier Methods in Realistic 3D Ducting Conditions. International Applied Computational Electromagnetics Society (ACES) Symposium 2017, Aug 2017, Suzhou, China. pp.ISBN : 978-1-5090-4311-8. ⟨hal-01609755⟩

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