{"id":38870,"date":"2019-10-31T22:26:27","date_gmt":"2019-10-31T19:26:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obychnye-opticheskie-linii-svyazi-nauchilis-slushat-ulitsu-ot-opredeleniya-mashin-do-vystrelov\/"},"modified":"2019-10-31T22:26:27","modified_gmt":"2019-10-31T19:26:27","slug":"obychnye-opticheskie-linii-svyazi-nauchilis-slushat-ulitsu-ot-opredeleniya-mashin-do-vystrelov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/obychnye-opticheskie-linii-svyazi-nauchilis-slushat-ulitsu-ot-opredeleniya-mashin-do-vystrelov","title":{"rendered":"Les lignes de communication optique ordinaires ont appris \u00e0 \u00ab \u00e9couter \u00bb la rue : de la d\u00e9tection des voitures aux coups de feu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

L'op\u00e9rateur t\u00e9l\u00e9com am\u00e9ricain Verizon et l'entreprise japonaise NEC viennent de terminer avec succ\u00e8s<\/a><\/noindex> Des tests sur un syst\u00e8me int\u00e9gr\u00e9 de surveillance de l'environnement urbain et des \u00e9v\u00e9nements via des lignes de communication optique conventionnelles. Aucun nouvel investissement global n'est requis : tous les c\u00e2bles optiques ont d\u00e9j\u00e0 \u00e9t\u00e9 enterr\u00e9s par Verizon et sont utilis\u00e9s pour le transfert de donn\u00e9es dans son r\u00e9seau. C'est l\u00e0 que r\u00e9side l'unicit\u00e9 du projet : pour la premi\u00e8re fois, l'op\u00e9rateur a utilis\u00e9 des lignes commerciales de communication optique existantes pour collecter des donn\u00e9es.<\/p>\n

\"Les<\/p>\n

Technologie suivi<\/a><\/noindex> L'utilisation de donn\u00e9es sismiques et de la temp\u00e9rature de l'environnement des c\u00e2bles optiques est en cours depuis environ 10 ans, en particulier dans le domaine de l'extraction p\u00e9troli\u00e8re. En milieu urbain, cette technologie est prometteuse pour suivre la circulation et les \u00e9v\u00e9nements dans les rues, ainsi que pour surveiller l'\u00e9tat des infrastructures urbaines telles que les routes, les tunnels, les ponts et les b\u00e2timents. Lors des tests, Verizon et NEC ont montr\u00e9 qu'un syst\u00e8me de surveillance bas\u00e9 sur l'IA (un r\u00e9seau de neurones convolutif) pouvait d\u00e9terminer la densit\u00e9 de circulation des v\u00e9hicules, la direction du mouvement et l'acc\u00e9l\u00e9ration des automobiles individuelles, leur tonnage, ainsi que les incidents sur la route (collisions et m\u00eame coups de feu). Ces informations aideront non seulement \u00e0 am\u00e9liorer le trafic, mais aussi \u00e0 soutenir les services de \u00ab premi\u00e8re intervention \u00bb comme la police, les ambulances et les services de secours.<\/p>\n

Le principe de fonctionnement d'un tel syst\u00e8me de surveillance repose sur l'analyse de la dispersion r\u00e9troactive du signal optique (\u00e9cho) dans un c\u00e2ble \u00e0 fibre optique, o\u00f9 les d\u00e9formations thermiques ou les vibrations cr\u00e9ent des interf\u00e9rences physiques dans les lignes de communication, que les \u00e9metteurs-r\u00e9cepteurs optiques corrigent. En recueillant ces informations \u00e0 l'aide de r\u00e9cepteurs sp\u00e9cifiques et en les analysant avec l'IA, il est possible d'associer des \u00e9v\u00e9nements bien d\u00e9finis \u00e0 chaque secteur \u00ab surveill\u00e9 \u00bb.<\/p>\n

Verizon \u00e9tend activement son infrastructure de c\u00e2bles. Chaque mois, elle augmente la longueur de son infrastructure d'environ 1400 miles (2253 km). Si la demande pour le service de surveillance de la situation dans les rues se fait sentir, Verizon est pr\u00eate \u00e0 le d\u00e9ployer sur tout le territoire des \u00c9tats-Unis, l\u00e0 o\u00f9 elle est pr\u00e9sente ou sera n\u00e9cessaire.<\/p>\n

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Source : 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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