[PDF] Top 20 Echo acoustic flow affects flight in bats
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Echo acoustic flow affects flight in bats
... echolocating bats recruit flow field information to adjust their flight paths along structured ...of flow field-guided navigation. However, bats assess lateral structures by ... See full document
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Flight and echolocation behaviour of whiskered bats commuting along a hedgerow: range dependent sonar signal design, Doppler tolerance and evidence for `acoustic focussing'
... and flight speed at the position of recording were similar to those measured over the preceding 6·m of the flight path and because the bats were much closer to the hedge than to the microphone we do ... See full document
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Baier, Anne Leonie (2019): Coding of spatial and temporal frequency in bat biosonar. Dissertation, LMU München: Fakultät für Biologie
... wild bats were captured and left to forage above an artificial pond in an outdoor flight ...and bats received a food reward in case of successful ...Because bats do not initiate foraging ... See full document
99
Echolocating bats can use acoustic landmarks for spatial orientation
... the bats inspected the net, their acoustic behavior was not entirely ...All bats occasionally produced high rate sound groups during an inspection of the net, and this was always accompanied by sharp ... See full document
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Vocalizations, feeding and flight behaviour of nectar-feeding bats (Glossophaga soricina and Leptonycteris yerbabuenae)
... FM bats can forage in cluttered environments, but use their calls in different ways to their ...FM bats can localize insects with echolocation calls but may rely on other sensory input to detect them, ... See full document
69
Kugler, Kathrin Marina (2017): Perception of echo-acoustic flow in bats. Dissertation, LMU München: Fakultät für Biologie
... the bats induce a path correction towards the side eliciting weaker echo-acoustic ow, distance to this wall automatically ...weak echo-acoustic ...elicit echo-acoustic ow ... See full document
70
Grunwald, Jan-Eric (2004): Echo-acoustic evaluation of real and phantom objects in phyllostomid bats. Dissertation, LMU München: Fakultät für Biologie
... their echo-imaging system, all michrochiropteran bat species possess functional vision to perceive their ...in bats has not been studied in as much detail as echolocation, the few existent studies revealed ... See full document
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Echo interval and not echo intensity drives bat flight behavior in structured corridors
... echolocating bats navigate densely cluttered spaces with ease, adapting their flight and echolocation signal design to optimize information extracted from complex echo soundscapes (Falk et ... See full document
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Adaptive changes in echolocation sounds by Pipistrellus abramus in response to artificial jamming sounds
... during flight was investigated. Echolocation pulses emitted by the bats were recorded using a telemetry microphone mounted on the bats’ backs, and their adaptation based on acoustic ... See full document
7
Optic and echo acoustic flow interact in bats
... sensory flow fields (echo-acoustic flow alone, optic flow alone and echo-acoustic flow versus optic flow) affected the flight behaviour of the ...the ... See full document
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A COMPUTATIONAL MODEL FOR ESTIMATING THE MECHANICS OF HORIZONTAL FLAPPING FLIGHT IN BATS
... in flight, we prescribed the aerodynamic force generated by each wing segment through an elliptical, spanwise distribution of circulation (Norberg, 1990) at the middle of the downstroke as a plausible ... See full document
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Active acoustic interference elicits echolocation changes in heterospecific bats
... that bats were exhibiting the Lombard effect – a physiological change in the larynx resulting in changes in intensity, often accompanied by frequency and call duration ...the bats during their capture ... See full document
7
An overview on optimized NLMS algorithms for acoustic echo cancellation
... the acoustic echo paths have excessive lengths in time (up to hundreds of milliseconds), due to the slow speed of sound in the air, together with multiple reflections caused by the environment; ... See full document
19
A New Method for a Nonlinear Acoustic Echo Cancellation System
... 14]. Acoustic echoes are caused by reflections of sound waves (between speakers and microphones) in telephones and telecommunications systems [4, 6, 13, ...problem, Echo Suppression and Echo ...for ... See full document
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Significance aware filtering for nonlinear acoustic echo cancellation
... nonlinear echo paths for small portable devices requires efficient adaptive nonlinear echo path ...the echo reduction performance of the ESA-HM, the PBSA-HGM, a linear model, and a PB-HGM in Section ... See full document
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Peripheral control of acoustic signals in the auditory system of echolocating bats
... Since the vocal MEM activity was influenced by the acoustic MEM reflex, a test tone pulse could not be delivered prior to the vocal MEM activity for accurate measurements of the amount a[r] ... See full document
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Nathusius' bats optimize long distance migration by flying at maximum range speed
... that bats do not fly in a straight line during migration, we can infer from this value that these bats may have flown for at least 2 h with a minimum of ...continuous flight, or – given that ... See full document
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Performance Analysis of Acoustic Echo Cancellation in Sound Processing
... Echo is to simulate the effect of reverberation from the speakers , one or several delayed signals are added to the original ...as echo, the delay has to be of order 35 milliseconds or ...of echo ... See full document
5
Turning flight of bats
... For each turn six parameters were either measured or calculated; maximum curvature curvature being the inverse of radius achieved during the turn kmax, the speed Vk at kmax, the maximum [r] ... See full document
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Assessment of Dural Arteriovenous Fistulas of the Cavernous Sinuses on 3D Dynamic MR Angiography
... All images were acquired with two 1.5T MR imaging systems. To acquire 16 partially overlapping images on 3D dynamic MRA, a trans- verse 3D fast spoiled gradient-recalled echo (SPGR) sequence was obtained with the ... See full document
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