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Identification et caractérisation de sources électromagnétiques - Application à la discrétion des moteurs de propulsion navale

Abstract : This Ph.D. thesis presents two methods: one to identify dynamic electromagnetic sources and another one to size an efficient magnetic shield. Both are based on harmonic expansion solutions of Maxwell's equations. The electromagnetic identification gives from near electromagnetic fields measurements the main characteristics of a dynamic source closed in a conducting media. Electromagnetic field extrapolation of the source and condition monitoring based on near field measurements are the applications of the identification method. It uses Bayesian estimation of the harmonic expansion parameters of a source. It allows the use of prior information. The magnetic shielding method is based on the harmonic expansion of boundary conditions and the distinction between the attenuation effect and the shape effect of the shield on the parameters of an electromagnetic source.
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https://tel.archives-ouvertes.fr/tel-00128151
Contributor : Louis Schmerber <>
Submitted on : Thursday, February 1, 2007 - 8:42:24 PM
Last modification on : Friday, November 6, 2020 - 4:39:22 AM
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  • HAL Id : tel-00128151, version 2

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Louis Schmerber. Identification et caractérisation de sources électromagnétiques - Application à la discrétion des moteurs de propulsion navale. Matière Condensée [cond-mat]. Institut National Polytechnique de Grenoble - INPG, 2006. Français. ⟨tel-00128151v2⟩

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