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Estimation des conditions océanographiques par inversion de données issues d'un radar imageur non calibré

Abstract : Many empirical models describing sea clutter statistical distribution exist but they do not directly depend on the sea sate. They are not suitable to perform inversion. To model the statistical distribution of the backscattered intensity, we use a two-scale model (TSM) which is linked to the sea state via the mss (mean square slope). This model allows to retrieve the NRCS but does not perfectly describes the sea clutter distribution simultaneously in the two direct polarization channels. This is due to an overestimation of the Bragg polarization ratio (PR).
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https://hal.archives-ouvertes.fr/tel-03200071
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Submitted on : Tuesday, July 20, 2021 - 2:26:25 PM
Last modification on : Thursday, July 22, 2021 - 3:05:18 AM

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SCHREIBER_2020TOUL0016.pdf
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  • HAL Id : tel-03200071, version 2

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Floriane Schreiber. Estimation des conditions océanographiques par inversion de données issues d'un radar imageur non calibré. Traitement du signal et de l'image [eess.SP]. Université de Toulon, 2020. Français. ⟨NNT : 2020TOUL0016⟩. ⟨tel-03200071v2⟩

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