G - Physics – 01 – T
Patent
G - Physics
01
T
G01T 1/16 (2006.01)
Patent
CA 2723937
The invention relates to a device for continuously checking people, vehicles, containers or packages, comprising a device that detects and identifies in real time a moving source of gamma radiation, and comprising: at least one radiation detector (11); - at least one spectrometer (12) capable of sampling and shaping the signal; - a remote monitoring station (14); - an acquisition and processing unit (13) which comprises means of analyzing the spectrum of this signal and comprising means of smoothing this spectrum, means of calculating a reference spectrum, means of subtracting this reference spectrum, means of searching for the total absorption peaks, means of validating the detection of the peaks, means of estimating the background under the validated peaks of the spectrum, means of calculating the characteristics of the peaks, means of identifying radionucleides and means of displaying the results.
invention concerne un dispositif de contrôle en continu de personnes, de véhicules, de conteneurs ou de colis comprenant un dispositif de détection et d'identification en temps réel d'une source de rayonnement gamma en mouvement, comprenant : au moins un détecteur de rayonnement (11), - au moins un spectromètre (12) permettant d'échantillonner et de mettre en forme le signal, - un poste de contrôle distant (14) - une unité d'acquisition et de traitement (13), qui comprend des moyens d'analyse du spectre de ce signal comprenant :.cndot. des moyens de lissage de ce spectre, .cndot. des moyens de calcul d'un spectre de référence, .cndot. des moyens de soustraction de ce spectre de référence, .cndot. des moyens de recherche des pics d'absorption totale, .cndot. des moyens de validation de la détection des pics, .cndot. des moyens d'estimation du fond sous les pics validés du spectre, .cndot. des moyens de calcul des caractéristiques des pics, .cndot. des moyens d'identification des radionucléides, .cndot. des moyens de visualisation des résultats.
Abt Dominique
Guillot Ludovic
Reboli Anne
Commissariat A. L'energie Atomique Et Aux Energies Alternatives
Fasken Martineau Dumoulin Llp
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