分布式光纤振动传感技术研究

摘要

分布式光纤振动传感技术具有精度高、动态范围大、响应频带宽、隐蔽性好等优于传统振动传感器的鲜明特点，可用于大坝、桥梁、地矿监测、车辆及机械运行监测、火灾报警、管道泄漏报警及重要区域安防报警等领域，应用前景广阔。本文主要介绍了分布式光纤振动传感器相关技术及种类，并对分布式振动传感技术的发展方向和应用领域进行展望。%Fiber vibration sensor system of digital network is a new technology,whichdevelopesrapidly with the rapid development of optical fiber and optical fiber communication technology. Because of High precision,wide dynamic range, wide response frequency band,good concealment and so on,fiber sensors are suititable to be applied in the field of monitoring of DAMS、Bridges、 mining、vehicles and machinery operation,fire alarm,pipeline leak alarm et al. Fiber vibration sensor systemhas a broad application prospect. This paper introduces some related technologies of the distributed fiber vibration sensor system and species.Development tendency and application fields are also predicted.