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Propagation modeling for radio occultation remote sensing

Charles Antoine l'Hour 1 Vincent Fabbro 2 Alexandre Chabory 1 Jérôme Sokoloff 3
1 ENAC - Ecole Nationale de l'Aviation Civile
2 ONERA / DEMR, Université de Toulouse [Toulouse]
3 LAPLACE - LAboratoire PLasma et Conversion d'Energie
Abstract : GBAR method (Gaussian Beam for Atmospheric Refraction) is proposed to efficiently model the propagation in the troposphere. This original method has been validated by comparison to the commonly used PWE-SSF method. A good accuracy of GBAR is demonstrated associated to time gained for long range configurations. Then an approach with a gain in time to evaluate the accuracy of Radio Occultation inversion methods is proposed. It consists in modeling the forward propagation through a realistic troposphere modeled by WRF, using GBAR. An inversion technique is applied to the propagated field. The retrieved refractivity profile is compared with the true profile and the accuracy of inverse method can then be estimated.
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https://hal-enac.archives-ouvertes.fr/hal-01948509
Contributor : Laurence Porte <>
Submitted on : Friday, December 7, 2018 - 5:29:35 PM
Last modification on : Tuesday, April 7, 2020 - 10:30:03 PM

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  • HAL Id : hal-01948509, version 1

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ENAC | CNRS | ONERA | UNIV-TLSE3 | LAPLACE

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Charles Antoine l'Hour, Vincent Fabbro, Alexandre Chabory, Jérôme Sokoloff. Propagation modeling for radio occultation remote sensing. EuCAP 2018, 12th European Conference on Antennas and Propagation, Apr 2018, Londres, United Kingdom. pp.ISBN: 978-1-78561-816-1. ⟨hal-01948509⟩

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