Results 131 to 140 of about 1,345 (186)
Inferring behavioural states from tracking data with hidden Markov models - a validation study using GPS video-camera collars. [PDF]
Mov EcolLarue B +11 more
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Onboard recordings reveal how bats maneuver under severe acoustic interference. [PDF]
Proc Natl Acad Sci U S AGoldshtein A +9 more
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The acoustic world of bat biosonar
The Journal of the Acoustical Society of America, 2018 Bats and toothed whales (odontocetes) have both independently evolved sophisticated biosonar systems. This raises the question how similar the functional principles of these systems are. Could, for example, insights gained from bats be assumed to hold for odontocetes or vice versa? Could both systems be lumped together as a single source of inspiration
Rolf Müller +3 more
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Biosonar and Neural Computation in Bats
Scientific American, 1990It used to be a common misconcep tion that bats' use of sound puls es to navigate and locate prey is a crude system, the acoustic equivalent of feeling one's way in the dark with a cane. But biosonar has since been shown to be anything but crude: an echolocating bat can pursue and cap ture a fleeing moth with a facility and success rate that would ...
Nobuo Suga
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MCM trials with Biosonar system
Proceedings of Meetings on Acoustics, 2013 In this paper we present the results of MCM trials using a Biosonar system mounted on the AUV (autonomous underwater vehicle) REMUS 100. The trials were run in Lochearnhead in Scotland. Two mine-like objects were put on the seafloor. The first one was a aluminium cylinder (150 cm long and 40 cm diameter) and the second object was a truncated cone ...
Yan Pailhas, Chris Capus, Keith Brown
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Determining biosonar images using sparse representations
The Journal of the Acoustical Society of America, 2009 Echolocating bats are thought to be able to create an image of their environment by emitting pulses and analyzing the reflected echoes. In this paper, the theory of sparse representations and its more recent further development into compressed sensing are applied to this biosonar image formation task.
Fontaine, Bertrand, Peremans, Herbert
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Narrow Acoustic Field of View Drives Frequency Scaling in Toothed Whale Biosonar [PDF]
Current Biology, 2018 Author Posting. © The Author(s), 2018. This is the author's version of the work. It is posted here under a nonexclusive, irrevocable, paid-up, worldwide license granted to WHOI. It is made available for personal use, not for redistribution.
Michael Ladegaard +2 more
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The Journal of the Acoustical Society of America, 1999
Capabilities of bats to analyze spectral profiles have been demonstrated by several researchers. However, suggestions as to the informational content of the biologically accessible features in terms of the echo-generating process are not yet entirely convincing.
Rolf Müller, Roman Kuc
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Capabilities of bats to analyze spectral profiles have been demonstrated by several researchers. However, suggestions as to the informational content of the biologically accessible features in terms of the echo-generating process are not yet entirely convincing.
Rolf Müller, Roman Kuc
openaire +1 more source
Classification of natural landmark with biosonar
The Journal of the Acoustical Society of America, 2004Echolocating bats can make nocturnal flights in acoustically cluttered environments with the use of echolocation. Their marvelous ability to evaluate natural targets in complete darkness provides us an opportunity to learn target detection, classification, and identification with similar biomimetic platforms.
Maosen Wang, Andreas Zell
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Cetacean biosonar and noise pollution
Europe Oceans 2005, 2005Noise pollution in the marine environment is an emerging but serious concern. Its implications are less well understood than other global threats and largely undetectable to everyone but the specialist. In addition, the assessment of the acoustic impact of artificial sounds in the sea is not a trivial task, certainly because there is a lack of ...
M. Andre +3 more
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