Clutter interference and the integration time of echoes in the echolocating bat, Eptesicus fuscus.

  title={Clutter interference and the integration time of echoes in the echolocating bat, Eptesicus fuscus.},
  author={J A Simmons and E G Freedman and Scott B. Stevenson and Liang Chen and T J Wohlgenant},
  journal={The Journal of the Acoustical Society of America},
  volume={86 4},
The ability of the echolocating bat, Eptesicus fuscus, to detect a sonar target is affected by the presence of other targets along the same axis at slightly different ranges. If echoes from one target arrive at about the same delay as echoes from another target, clutter interference occurs and one set of echoes masks the other. Although the bat's sonar emissions and the echoes themselves are 2 to 5 ms long, echoes (of approximately equal sensation levels--around 15 dB SL) only interfere with… CONTINUE READING
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