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Simplified vibratory characterization of alluvial basins
Caractérisation vibratoire simplifiée de remplissages sédimentaires. L'analyse de l'amplification du mouvement sismique peut être réalisée en étudiant les propriétés... -
Méthodes de modélisation de la propagation en tunnels courbes
Les systèmes de communication sans fil sont déployés dans le domaine des transports guidés afin d'assurer des communications entre les trains et entre un train et... -
Méthode d'estimation de l'invariant océanique par couple de modes en acoustiq...
International audience -
Phase Coded Costas Signals for Ambiguity Function Improvement and Grating lob...
In this paper, a novel radar signal is proposed. It is based on a modification of Costas signals obtained by increasing the frequency separation of Costas frequency... -
NDT for need based maintenance of bridge cables, ropes and pre-stressed elements
Infrastructure is subject to continuous ageing. This has given life cycle management of infrastructure an increasingly important role. Reliable inspection and... -
Numerical and analytical calculation of modal excitability for elastic wave g...
In the analysis of elastic waveguides, the excitability of a given mode is an important feature defined by the displacement-force ratio. Useful analytical expressions... -
Investigation of guided modes in helical structures: understanding wave propa...
A methodology is proposed to investigate guided waves in curved structures. In a general framework, the existence of guided modes is discussed in curved waveguides.... -
Electromagnetic Wave Propagation Modeling for Finding Antenna Specifications ...
This chapter is organized as follows : Section II introduces the modal approach for guiding structures. It is based on a full-wave method, namely the Transmission Line... -
Ray Launching Modeling in Curved Tunnels with Rectangular or Non Rectangular ...
Several methods to model radio wave propagation in tunnels have been published in the literature and will be presented in this chapter with their advantages and...
