Distributed Acoustic Sensing
Also known as DAS
Overview
Distributed acoustic sensing (DAS) uses light traveling through fiber-optic cables to measure vibrations continuously along the cable, creating a dense array of virtual sensors. Researchers use signal processing and wave-inversion methods, along with recurrent networks and Transformers, to identify events, estimate subsurface structure, and locate sources. Applications include seismic monitoring, traffic measurement, vessel detection, and whale-song analysis, supported by tools for streaming data, shared datasets, and reusable machine-learning models. A key challenge is making results reliable beyond individual experiments: models must handle changing locations and noise, while evaluations account for missed events, false alarms, latency, and limited labeled data.
Latest papers
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