From Animals to Animats 11

Volume 6226 of the series Lecture Notes in Computer Science pp 136-145

Simulating the Morphological Feasibility of Adaptive Beamforming in Bats

  • Dieter VanderelstAffiliated withActive Perception Lab, University Antwerp
  • , Fons De MeyAffiliated withActive Perception Lab, University Antwerp
  • , Herbert PeremansAffiliated withActive Perception Lab, University Antwerp

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It has been suggested that it is advantageous for bats to adapt their emission beam pattern depending on the situation. Hartley [9] has proposed that bats could steer the direction in which they emit most energy by controlling the phase relationship between the sound emerging from both nostrils. In this paper, we evaluate based on simulations, whether such an adaptive mechanism would be viable in FM bats given their specialized facial morphology. We find that these bats could indeed relocate the center of their emission beam pattern using a phased array mechanism. Furthermore, we list two ways in which this would help bats localizing target objects.