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Density profile reconstruction methods for extraordinary mode reflectometry

Abstract : The goal of this PhD is to improve the data analysis techniques of frequency swept reflectometry for determination of the density profile of fusion plasmas. There has been significant improvements in the last two decades on the hardware design and signal extraction techniques, but the data analysis is lagging behind and require further improvements to meet the required standards for continuous operation in future reactors. The improvements obtained in this thesis on the reconstruction of density profiles provide a better accuracy in a shorter time, even in the presence of a density hole, also enabling sufficiently precise measurements of the properties of turbulence used to validate numerical models, and allowing real-time monitoring of the shape and position of the plasma
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Submitted on : Thursday, July 12, 2018 - 10:40:32 AM
Last modification on : Monday, April 6, 2020 - 2:44:04 PM
Long-term archiving on: : Monday, October 15, 2018 - 8:51:28 AM


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  • HAL Id : tel-01836220, version 1


Rennan Bianchetti Morales. Density profile reconstruction methods for extraordinary mode reflectometry. Plasma Physics [physics.plasm-ph]. Université de Lorraine, 2018. English. ⟨NNT : 2018LORR0031⟩. ⟨tel-01836220⟩



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