{"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\/pt\/blog\/news\/obychnye-opticheskie-linii-svyazi-nauchilis-slushat-ulitsu-ot-opredeleniya-mashin-do-vystrelov","title":{"rendered":"Linhas de comunica\u00e7\u00e3o \u00f3ptica comuns aprenderam a 'ouvir' a rua: desde a identifica\u00e7\u00e3o de carros at\u00e9 disparos","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A operadora de telecomunica\u00e7\u00f5es americana Verizon e a empresa japonesa NEC acabaram de conclu\u00edram com sucesso<\/a><\/noindex> testes de campo de um sistema complexo de monitoramento do ambiente urbano e eventos usando linhas de fibra \u00f3tica convencionais. Nenhum novo investimento global \u2014 todos os cabos \u00f3pticos j\u00e1 est\u00e3o enterrados pela Verizon e s\u00e3o usados para a transmiss\u00e3o de dados na sua rede. Esta \u00e9 a singularidade do projeto: pela primeira vez, o operador utilizou linhas comerciais \u00f3pticas existentes para coletar dados.<\/p>\n

\"Linhas<\/p>\n

Tecnologia monitoramento<\/a><\/noindex> Dados s\u00edsmicos e ambientais de temperatura em cabos \u00f3pticos t\u00eam sido utilizados por cerca de 10 anos, por exemplo, na ind\u00fastria de petr\u00f3leo. Na cidade, essa tecnologia \u00e9 atraente para monitorar o movimento e eventos nas ruas, bem como para controlar o estado da infraestrutura urbana, como estradas, t\u00faneis, pontes e edif\u00edcios. Nos testes, a Verizon e a NEC implementaram um sistema de monitoramento baseado em IA (rede neural convolucional) que conseguiu determinar a densidade do tr\u00e1fego, a dire\u00e7\u00e3o do movimento e a acelera\u00e7\u00e3o de ve\u00edculos individuais, seu peso, e at\u00e9 incidentes na estrada (colis\u00f5es e at\u00e9 disparos). Essas informa\u00e7\u00f5es ajudar\u00e3o n\u00e3o apenas a melhorar o tr\u00e1fego, mas tamb\u00e9m apoiar\u00e3o as equipes de<\/p>\n

O princ\u00edpio de funcionamento de um sistema de monitoramento como este se baseia na an\u00e1lise do espalhamento de retroespalhamento do sinal \u00f3ptico (eco) em um cabo de fibra \u00f3tica, onde deforma\u00e7\u00f5es t\u00e9rmicas ou vibra\u00e7\u00f5es introduzem uma perturba\u00e7\u00e3o f\u00edsica nas linhas de comunica\u00e7\u00e3o, que \u00e9 corrigida por transceptores \u00f3pticos. Se essa informa\u00e7\u00e3o for coletada com receptores especiais e analisada usando IA, ser\u00e1 poss\u00edvel atribuir eventos bastante espec\u00edficos a cada setor \"monitorado\".<\/p>\n

A Verizon est\u00e1 expandindo ativamente sua infraestrutura de cabos. A cada m\u00eas, ela aumenta a extens\u00e3o da rede em aproximadamente 1400 milhas (2253 km). Se houver demanda pelo servi\u00e7o de monitoramento da situa\u00e7\u00e3o nas ruas, a Verizon est\u00e1 pronta para expandi-lo por todo o territ\u00f3rio dos EUA onde est\u00e1 presente ou onde h\u00e1 demanda.<\/p>\n

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

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