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M. Sun, N. Pinel, C. Le-bastard, V. Baltazart, A. Ihamouten et al., Time delay and surface roughness estimation by subspace algorithms for pavement survey by radar, 2013 7th International Workshop on Advanced Ground Penetrating Radar, pp.2-5, 2013.
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. Dans-ces-modèles, Nous avons montré que le modèle exponentiel ne convenait que pour des bandes fréquentielles de largeur inférieure à 2 GHz De plus, les modèles gaussien et mixte par le radar, trois nouveaux modèles de signal sont proposés. Ensuite, des méthodes à sous-espace sont étendues à ces nouveaux modèles. Les résultats de simulation et d'expérimentation montrent globalement de bonnes performances. Enfin, nous pensons que ces travaux de recherche permettront de prendre en compte, très en amont dans le processus de conception d'un produit, la grande diversité des paramètres du milieu observé et facilitera ainsi la mise au point de nouveaux capteurs et de systèmes d'ECND hyperfréquence appropriés et performants pour les applications envisagées. En perspective à ces travaux, d'autres validations expérimentales plus approfondies devraient être réalisées. De plus, les méthodes proposées pourront aussi être étendues aux milieux dispersifs

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