Search Results - "Turgut, Altan"

Acoustic recordings and modeling under seasonally varying sea ice by Collins, Michael D., Turgut, Altan, Menis, Richard, Schindall, Jeffrey A.

“…Acoustic data from the Canada Basin Acoustic Propagation Experiment are discussed. These recordings were obtained under seasonally varying sea ice to the north…”
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Evaluation of Relative Entropy for Distributed Passive Detection of Weak Acoustic Signals by Mignerey, Peter C., Turgut, Altan, Schindall, Jeffrey A., Goldstein, David J.

“…Passive detection of weak signals in noise is formulated without assuming a parametric distribution of the received signal statistics. A binary…”
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Environmental probing using waveguide invariant by Turgut, Altan

“…In continental shelves, barotropic tides, internal tides, and nonlinear internal waves could potentially be monitored using acoustic waveguide invariant…”
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Acoustic observations of internal tides and tidal currents in shallow water by Turgut, Altan, Mignerey, Peter C, Goldstein, David J, Schindall, Jeffrey A

“…Significant acoustic travel-time variability and frequency shifts of acoustic intensity level curves in broadband signal spectrograms were measured in the East…”
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Measurements of the frequency dependence of geo-alpha in clayey silt at low frequencies by Diachok, Orest, Turgut, Altan

“…Transmission loss (TL) measurements in the Santa Barbara Channel, together with co-located chirp measurements, show that geo-alpha (dB/l) in clayey silt…”
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An overview of the sediment acoustic models and their experimental validations by Turgut, Altan

“…The Biot theory of acoustic wave propagation in porous media was first adapted to marine sediments by Stoll (1969). To describe the response of a slightly…”
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Ice-tethered acoustic buoys for real-time active and passive monitoring in the Western Arctic by Turgut, Altan, Schindall, Jeffrey A.

“…Real-time monitoring of channel impulse response functions in the Beaufort Lens was performed by five Ice-Tethered Acoustic Buoys (ITABs) during…”
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Extensions to Lisa Zurk’s depth-based signal separation method by Turgut, Altan, Wood, Warren T.

“…Lisa Zurk and her colleagues introduced a depth-based signal separation method that uses interference between the direct and surface-reflected CW signals which…”
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A real-time acoustic drifter for active and passive sonar applications by Turgut, Altan, Schindall, Jeffrey

“…A low-cost, long-duration acoustic drifter has been developed to measure directional ambient noise and man-made acoustic signals in both shallow and deep…”
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Speed of sound and geo-alpha in clayey silt derived from concurrent inversion of geo and bio-acoustic parameters from transmission loss data and co-located chirp sonar measurements by Diachok, Orest, Turgut, Altan

“…Application of the concurrent geo and bio-acoustic inversion method (Diachok and Wales, 2005) to broadband (0.3–5 kHz) transmission loss (TL) measurements, and…”
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Inversion of geoacoustic parameters from transmission loss measurements in the presence of swim bladder bearing fish in the Santa Barbara Channel by Diachok, Orest, Turgut, Altan

“…It is well established that attenuation due to swim bladder bearing fish can have profound effects on transmission loss (TL) in continental shelf and slope…”
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Measurements of mid-frequency acoustic signal variability in the Western Barents Sea by Turgut, Altan, Schindall, Jeffrey, Jarosz, Ewa, Wijesekera, Ewa

“…Two Vertical Line Arrays (VLAs) and one source moorings were deployed to study along- and cross-shelf acoustic propagation in the Western Barents Sea during…”
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Spatial and temporal correlations of mid-frequency acoustic signals on the Chukchi Sea Shelf by Turgut, Altan, Collins, Michael D., Badiey, Mohsen

“…The spatial and temporal correlations of 1.5–4 kHz LFM signals were measured using a 64-element billboard array and a mid-frequency acoustic source, deployed…”
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Azimuthal and temporal sound fluctuations on the Chukchi continental shelf during the Canada Basin Acoustic Propagation Experiment 2017 by Badiey, Mohsen, Wan, Lin, Pecknold, Sean, Turgut, Altan

“…The Shallow Water Canada Basin Acoustic Propagation Experiment was conducted on the Chukchi Sea continental shelf from October 2016 to November 2017. The…”
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Buried object imaging using reflection tomography by Turgut, Altan

“…A recent pioneering study of Steven Schock provided high-quality imaging of buried objects using the buried object sensing sonar (BOSS) system in a towed or…”
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Effects of sea surface roughness on the mid-frequency acoustic pulse decay in shallow water by Wylie, Jennifer, Turgut, Altan

“…Recent and ongoing efforts to characterize sea bed parameters from measured acoustic pulse decay have neglected the effects of sea surface roughness. In this…”
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Shallow water propagation of mid-frequency cross-shelf acoustics on the Chukchi Shelf by Eickmeier, Justin, Badiey, Mohsen, Turgut, Altan

“…The shallow water Canada Basin Acoustic Propagation Experiment (SW CANAPE) was conducted to study the effects of oceanographic variability on broadband…”
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Bottom characterization in the northern Gulf of Mexico using chirp sonar and ship noise data by Turgut, Altan, Wood, Warren, Soukup, Raymond J.

“…As a part of Prof. George Ioup’s multi-institutional research initiative, chirp sonar bottom surveys were conducted near the Mississippi Canyon in the northern…”
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Azimuthal, spatial, and temporal variability of acoustic intensity in along-the-shelf direction of Chukchi shelf from June to August 2017 by Badiey, Mohsen, Wan, Lin, Pecknold, Sean, Turgut, Altan

“…Spatial, temporal, and azimuthal variability of sound propagation with simultaneously measured oceanography on the Chukchi shelf is reported. Broadband…”
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Azimuthal, spatial, and temporal variability of acoustic intensity in cross-shelf direction during the yearlong shallow water Canada Basin Acoustic Experiment 2016–2017 by Badiey, Mohsen, Wan, Lin, Pecknold, Sean, Turgut, Altan

“…A yearlong study of spatial, temporal, and azimuthal variability of sound propagation with simultaneously measured oceanography on Chukchi shelf is reported…”
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