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Etude de la propagation Air - Sol - Air pour la création de modèles de canaux : Application au développement d’un banc pou r la caractérisation de radioaltimètres à pente asservie

Abstract : This thesis presents the study and the development of a radar-altimeter characterization tool. The Air-Ground-Air propagation channel is a specific context of the aeronautical channel applied to the radar-altimeters. A new hybrid method designed to the development of a channel simulator is described. This one is based upon ray tracing and bidirectionnal reflectance distribution functions and permits to obtain channel models validated by comparison with on flight measurements. A pre-conditioning method is also explained to make the channel models ready to be used in a real time channel emulator. The hardware and software architecture of this channel emulator is detailed in this book and its behavior is validated with laboratory measurements.
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André Paris. Etude de la propagation Air - Sol - Air pour la création de modèles de canaux : Application au développement d’un banc pou r la caractérisation de radioaltimètres à pente asservie. Traitement du signal et de l'image [eess.SP]. Université de Limoges, 2016. Français. ⟨NNT : 2016LIMO0125⟩. ⟨tel-01467600⟩

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