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机构地区:[1]Shanghai Key Laboratory of All Solid-state Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences [2]University of Chinese Academy of Sciences [3]Shanghai Synet Optics Technology Corporation [4]Bandweaver Technologies Co.Ltd.
出 处:《Chinese Optics Letters》2015年第10期30-34,共5页中国光学快报(英文版)
基 金:supported by the National Natural Science Foundation of China (No. 61405227);the National High Technology Research and Development Program of China (No. 2012AA041203);the Science and Technology Commission of Shanghai Municipality (Nos. 11DZ1140202 and 13XD1425400)
摘 要:A novel distributed passive vehicle tracking technology is proposed and demonstrated. This technology is based on a phase-sensitive optical time domain reflectometer(Φ-OTDR) that can sense and locate vibrations. Two algorithms, dynamic frequency-space image and 2D digital sliding filtering, are proposed to distinguish a car's moving signals from severe environmental noises and disturbances. This technology is proved effective by field experiments for tracking a single car and multiple cars. This work provides a new distributed passive way for real-time vehicle tracking and this technology will be extremely important for traffic controlling and public safety in modern society.A novel distributed passive vehicle tracking technology is proposed and demonstrated. This technology is based on a phase-sensitive optical time domain reflectometer(Φ-OTDR) that can sense and locate vibrations. Two algorithms, dynamic frequency-space image and 2D digital sliding filtering, are proposed to distinguish a car's moving signals from severe environmental noises and disturbances. This technology is proved effective by field experiments for tracking a single car and multiple cars. This work provides a new distributed passive way for real-time vehicle tracking and this technology will be extremely important for traffic controlling and public safety in modern society.
关 键 词:distinguish sliding OTDR extremely filtering traffic locate processed fluctuation running
分 类 号:U495[交通运输工程—交通运输规划与管理] TP391.41[交通运输工程—道路与铁道工程]
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