Monitoring of Remote Seismic Events in Metropolitan Area Fibers using Distributed Acoustic Sensing (DAS) and Spatio-Temporal Signal Processing
- Resource Type
- Conference
- Authors
- Martins, Hugo F.; Fernandez-Ruiz, Maria R.; Costa, Luis; Williams, Ethan; Zhan, Zhongwen; Martin-Lopez, Sonia; Gonzalez-Herraez, Miguel
- Source
- 2019 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2019. :1-3 Mar, 2019
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Optical fiber sensors
Optical fiber cables
Optical fibers
Two dimensional displays
Strain
Monitoring
Urban areas
- Language
Remote seismic activity is monitored with DAS using a pre-existent fiber installation in an urban area. Background noise, which greatly exceeds the amplitude of the monitored seismic signals, is eliminated via 2D (spatio-temporal) signal processing.