Evidence for perception of fine echo delay and phase by the FM bat, Eptesicus fuscus

@article{Simmons1993EvidenceFP,
  title={Evidence for perception of fine echo delay and phase by the FM bat, Eptesicus fuscus},
  author={James A. Simmons},
  journal={Journal of Comparative Physiology A},
  year={1993},
  volume={172},
  pages={533-547}
}
The big brown bat, Eptesicus fuscus, can perceive small changes in the delay of FM sonar echoes and shifts in echo phase, which interact with delay. Using spectral cues caused by interference, Eptesicus also can perceive the individual delays of two overlapping FM echoes at small delay separations. These results have been criticized as due to spectral artifacts caused by overlap between stimulus echoes and extraneous sounds (Pollak 1993). However, no amplitude or spectral variations larger than… CONTINUE READING
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Time-frequency transforms and images of targets in the sonar of bats

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  • Bialek W (ed) Princeton Lectures on Biophysics…
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Acoustic image representation of a point target in the FM echolocating bat , Eptesicus fuscus : Evidence for cross - correlation processing

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  • 1993

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