Monographie

Terrain Referenced Navigation System : Influence of the Fractal Dimension of a Terrain on the System Accuracy ? : Mémoire de fin d'étude - Acoustique sous-marine

Type de contenu

• Texte

Titre(s)

• Terrain Referenced Navigation System : Influence of the Fractal Dimension of a Terrain on the System Accuracy ? : Mémoire de fin d'étude - Acoustique sous-marine

Auteur(s)

• Moinet Claire (EN 2005)

Autre(s) responsabilité(s)

• Mahmoud Abdelkader (EN 2005)
• Prof.dr.ir. Patrick OONINCX, Department of Navigation (Gestionnaire de projet)

Editeur, producteur

• Lanvéoc-Poulmic : Ecole navale, 2007

Description matérielle

• 45 p.
• : 30 cm
• : figures
• : tableaux

Note de thèses et écrits académiques

• Nteherlands Defence Academy

Résumé ou extrait

• This project aims to stress a way of characterizing the shape of underwater terrains for the use of a Terrain Referenced Navigation (TRN) system. It deals with a system of underwater navigation using the seabed to know its position zeroing out Inertial Navigation System (INS) drift. In the various simulations studied, terrains are created with a fractal terrain generator program, that is why the fractal dimension of terrains is tested as a parameter to characterize the shape of a terrain. Indeed, the fractal dimension gives an idea of the roughness or the smoothness of a terrain. So the goal of all the simulations in this document is, using a Terrain Referenced Navigation algorithm and an algorithm calculating fractal dimension, to enhance a possible relation betwenn the accuracy of the position given by the TRN system and the fractal dimension of the terrain above which the underwater platform navigates.

Sujet(s)

• box counting
• fractal terrain

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