Distributed acoustic sensing (DAS) is an emerging technology that repurposes a fiber-optic
cable as a dense array of strain sensors. This technology repeatedly pings a fiber with laser …

Distributed acoustic sensing (DAS) is a new, relatively inexpensive technology that is rapidly
demonstrating its promise for recording earthquake waves and other seismic signals in a …

Distributed acoustic sensing (DAS) delivers real-time observation ofphysical perturbations
such as vibrations or strain variations in conventional optical fibers with high sensitivity. The …

The versatility and cost efficiency of fibre-optic distributed acoustic sensing (DAS)
technologies facilitate geophysical monitoring in environments that were previously …

Continuous seismic monitoring of the Earth's near surface (top 100 meters), especially with
improving the resolution and extent of data both in space and time, would yield more …

Land seismic acquisition is moving toward “light and dense” geometries, with point receiver
systems believed to be an ultimate configuration of choice. Cableless land nodal systems …

摘要分布式光纤声波传感器(Distributed Acoustic sensing, DAs) 是近年来兴起的超密集地震
观测系统, 具有一系列观测密度高, 观测成本低, 耐受恶劣环境等优势, 在油气行业得到了广泛 …

Distributed acoustic sensing (DAS) transforms submarine telecommunication cables into
densely sampled seismic receivers. To demonstrate DAS applications for seismic imaging …

Structural imaging and event location require an accurate estimation of the seismic velocity.
However, active seismic surveys used to estimate it are expensive and time‐consuming …

Distributed acoustic sensing (DAS) measures the average axial strain (strain rate) along a
subset of a fiber‐optic cable, as opposed to the particle displacement (velocity) at a …