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在实际光缆基础设施中对可听频谱中的声音进行分布式声学传感。

Distributed Acoustic Sensing of Sounds in Audible Spectrum in Realistic Optical Cable Infrastructure.

作者信息

Dejdar Petr, Mokry Ondrej, Munster Petr, Horvath Tomas, Schimmel Jiri

机构信息

Brno University of Technology, Faculty of Electrical Engineering and Communications, Dept. of Telecommunications, Technicka 12, 61600, Brno, Czech Republic.

出版信息

Sci Data. 2025 May 13;12(1):783. doi: 10.1038/s41597-025-05119-0.

DOI:10.1038/s41597-025-05119-0
PMID:40360563
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12075592/
Abstract

Distributed acoustic sensing (DAS) is an emerging technology with diverse applications in monitoring infrastructure, security systems, and environmental sensing. This study presents a dataset comprising acoustic vibration patterns recorded by a commercial DAS system, providing valuable insights into the acoustic sensitivity of optical fibers. The data are crucial for evaluating the performance of DAS systems, particularly in scenarios related to security and eavesdropping. The dataset offers the possibility to develop and test algorithms aimed at enhancing signal-to-noise ratio (SNR), detecting anomalies, and improving speech intelligibility. Additionally, this resource facilitates the validation of de-noising techniques through the calculation of the speech transmission index (STI). The experimental setup, measurement procedures, and the characteristics of the DAS system employed are comprehensively documented for researchers in the field of optical fiber sensing and signal processing.

摘要

分布式声学传感（DAS）是一种新兴技术，在基础设施监测、安全系统和环境传感等领域有多种应用。本研究展示了一个数据集，该数据集包含由商用DAS系统记录的声学振动模式，为了解光纤的声学灵敏度提供了有价值的见解。这些数据对于评估DAS系统的性能至关重要，特别是在与安全和窃听相关的场景中。该数据集为开发和测试旨在提高信噪比（SNR）、检测异常以及改善语音清晰度的算法提供了可能性。此外，该资源通过计算语音传输指数（STI）促进了去噪技术的验证。针对光纤传感和信号处理领域的研究人员，全面记录了所采用的DAS系统的实验装置、测量程序和特性。

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本文引用的文献

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Characterization of sensitivity of optical fiber cables to acoustic vibrations.光纤电缆对声振动灵敏度的特性描述。
Sci Rep. 2023 May 1;13(1):7068. doi: 10.1038/s41598-023-34097-9.
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Label-Free Anomaly Detection Using Distributed Optical Fiber Acoustic Sensing.基于分布式光纤声学传感的无标记异常检测
Sensors (Basel). 2023 Apr 19;23(8):4094. doi: 10.3390/s23084094.
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Research Progress in Distributed Acoustic Sensing Techniques.分布式光纤传感技术研究进展。
Sensors (Basel). 2022 Aug 13;22(16):6060. doi: 10.3390/s22166060.
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Image Edge Detection Methods in Perimeter Security Systems Using Distributed Fiber Optical Sensing.基于分布式光纤传感的周界安全系统中的图像边缘检测方法
Sensors (Basel). 2022 Jun 17;22(12):4573. doi: 10.3390/s22124573.
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Underwater acoustic source localization based on phase-sensitive optical time domain reflectometry.基于相敏光时域反射仪的水下声源定位
Opt Express. 2021 Apr 26;29(9):12880-12892. doi: 10.1364/OE.422255.
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Fiber distributed acoustic sensing using convolutional long short-term memory network: a field test on high-speed railway intrusion detection.基于卷积长短期记忆网络的光纤分布式声波传感：高速铁路入侵检测的现场测试
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Distributed Acoustic Sensing Using Chirped-Pulse Phase-Sensitive OTDR Technology.基于啁啾脉冲相位敏感光时域反射技术的分布式声学传感
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