Results 61 to 63 of about 125 (63)

Atlantic herring low-frequency target strength and abundance estimation: Ocean acoustic waveguide remote sensing (OAWRS) 2006 Experiment in the Gulf of Maine.

The Journal of the Acoustical Society of America, 2008
The mean low-frequency target strength (TS) of spawning Atlantic herring populations in the Gulf of Maine is estimated from the experimental data acquired during September–October 2006 near the northern flank of Georges Bank. A low-frequency OAWRS system with an instantaneous imaging diameter of 100 km was deployed to provide spatially unaliased ...
Zheng Gong, Mark Andrews, Daniel Cocuzzo, Saumitro Dasgupta, Purnima Ratilal, Srinivasan Jagnnathan, Deanelle Symonds, Ioannis Bertsatos, Tianrun Chen, Nicholas Makris, Redwood Nero, Hector Pena, Ruben Patel, Olav Rune Godoe, J. Michael Jech   +14 more
openaire   +1 more source

Simulating the feasibility of Ocean Acoustic Waveguide Remote Sensing (OAWRS) for Great Lakes fisheries monitoring

The Journal of the Acoustical Society of America
Ocean Acoustic Waveguide Remote Sensing (OAWRS) has been used successfully in continental shelf regions as a method of monitoring fish populations. In this work, we explore the application of OAWRS to a region of Lake Superior as a tool for observing fish behavior on an ecologically important spawning bed, Buffalo Reef.
Evan Lucas, Steven Senczyszyn, Jacob Krier, Yaman Aljnadi, John Lothian   +4 more
openaire   +1 more source

Acoustic Clutter and Ocean Acoustic Waveguide Remote Sensing (OAWRS) in Continental Shelf Environments

2008
Abstract : Acoustic clutter is the primary problem encountered by active sonar systems operating in Continental Shelf environments. Clutter is defined as any return from the environment that stands prominently above the diffuse and temporally decaying reverberation background and so can be confused with or camouflage returns from an intended target ...
openaire   +1 more source