[PDF][PDF] 光电信息事件识别感知关键技术研究进展

刘铁根, 刘琨, 戴林, 江俊峰, 王健, 丁振扬… - Acta Optica …, 2021 - researching.cn
摘要目前随着公共安全领域非法入侵事件的数量急剧增加, 迫切需要新型传感技术来侦测非法
入侵事件. 针对精确定位, 准确识别, 多参量融合等瓶颈问题, 天津大学, 天地伟业技术有限公司等 …

[PDF][PDF] 分布式光纤入侵信号检测与识别

张永康, 尚盈, 王晨, 赵文安, 李常, 曹冰, 王昌 - 光电工程, 2021 - researching.cn
分布式光纤声波传感(DAS) 技术通过接收相干瑞利散射光的相位信息来探测声波或振动信号,
具有灵敏度高, 动态范围广等特性, 可利用线性定量测量实现对信号的高保真还原 …

Real-time distributed fiber optic sensor for security systems: Performance, event classification and nuisance mitigation

SS Mahmoud, Y Visagathilagar, J Katsifolis - Photonic sensors, 2012 - Springer
The success of any perimeter intrusion detection system depends on three important
performance parameters: the probability of detection (POD), the nuisance alarm rate (NAR) …

Practical Aspects of Perimeter Intrusion Detection and Nuisance Suppression for Distributed Fibre-optic Sensors

SS Mahmoud - IEEE Transactions on Instrumentation and …, 2023 - ieeexplore.ieee.org
Fiber optic sensors protect resources and critical infrastructure in commercial and defense
applications. Distributed fiber optic sensors can be designed using various sensing …

An improved positioning algorithm with high precision for dual Mach–Zehnder interferometry disturbance sensing system

Q Chen, T Liu, K Liu, J Jiang, Z Shen, Z Ding… - Journal of Lightwave …, 2015 - opg.optica.org
An improved positioning algorithm for dual Mach–Zehnder interferometry (DMZI)
disturbance sensing system is proposed. We employ zero-crossing method, which can be …

Robust event classification for a fiber optic perimeter intrusion detection system using level crossing features and artificial neural networks

SS Mahmoud, J Katsifolis - Fiber optic sensors and …, 2010 - spiedigitallibrary.org
Discriminating between intrusion and nuisance events without compromising sensitivity is a
key performance parameter for any outdoor perimeter intrusion detection system. This is …

[PDF][PDF] 分布式光纤传感器周界安防入侵信号的多目标识别

喻骁芒, 罗光明, 朱珍民, 叶剑 - 光电工程, 2014 - researching.cn
针对分布式光纤在周界安防系统中信号种类, 即不同的环境下产生的噪声信号干扰和常见的入侵
产生的信号. 本文基于全光纤马赫—泽德干涉仪的分布式光纤传感模型, 提出了一种识别常见的 …

Events detection and recognition by the fiber vibration system based on power spectrum estimation

BM Tabi Fouda, D Han, B An, X Lu… - Advances in …, 2018 - journals.sagepub.com
One of the important successes of optical fiber sensor established for the security system is
the detection and the recognition of any type of events. The performance parameters (event …

Intrusion behavior classification method applied in a perimeter security monitoring system

Q Mi, H Yu, Q Xiao, H Wu - Optics Express, 2021 - opg.optica.org
A distributed optic fiber perimeter security system is proved to be an effective strategy for the
security monitoring of some vital targets, such as power plants, power substations and …

An improved positioning algorithm in a long-range asymmetric perimeter security system

K Liu, M Tian, J Jiang, J An, T Xu, C Ma… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
In this paper, an improved positioning algorithm is proposed for a long-range asymmetric
perimeter security system. This algorithm employs zero-crossing rate to detect the …