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Informatique instrumentale (logiciels et matériels) d'un spectromètre de Résonance Quadrupolaire Nucléaire : Nouvelle méthode de détection des molécules azotées

Abstract : In spite of a renewed interest in NQR (NQR), especially of nitrogen-14 (for instance, for the detection and characterization of explosives), a full NQR instrument, ready to use in the laboratory, is not commercially available. This thesis is devoted to the design of an entirely homemade spectrometer, reasonably transportable, including the transmit-receive system, frequency generation, data acquisition, probes and a specialized software for driving the instrument and for data processing. The essential contribution of this thesis is the software for managing the whole instrument and controlling various experiences. Moreover, a new method is proposed for improving NQR sensitivity. It is based on a particular processing of the NQR signal.
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https://hal.univ-lorraine.fr/tel-01748339
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Nicolas Hiblot. Informatique instrumentale (logiciels et matériels) d'un spectromètre de Résonance Quadrupolaire Nucléaire : Nouvelle méthode de détection des molécules azotées. Autre. Université Henri Poincaré - Nancy 1, 2008. Français. ⟨NNT : 2008NAN10010⟩. ⟨tel-01748339⟩

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