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| Presentation | 2013-11-23 13:30 Sonar strategy of wild echolocating bats (Pipistrellus abramus) during foraging flight in the field -- Analysis of 3-D flight trajectory and pulse direction measured by a microphone array system -- Shotaro Watanabe, Miwa Sumiya (Doshisha Univ.), Emyo Fujioka (FIRST/Univ. of Tokyo), Ikkyu Aihara (RIKEN), Yoshiaki Watanabe, Hiroshi Riquimaroux, Tetsuo Ohta, Shizuko Hiryu (Doshisha Univ.)  US2013-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Pulse direction and flight trajectory of FM echolocating bats (Pipistrellus abramus) during natural foraging were measured by 32ch microphone array system in order to investigate their sonar strategy during foraging. As a result, the bat in the field mainly pointed their pulses’ direction toward their flight direction, but also emitted sounds in other one or two particular directions during target search. During target approach, acoustic characteristics of the pulse was changed in response to the distance to the target, suggesting the possibility of echo-intensity compensation during foraging. We suggest that by changing direction of the pulse, the wild bats expand the search area to improve the detection probability of preys. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Bio-sonar / Echolocation / Japanese house bat / Field measurement / Sonar beam pattern / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 317, US2013-69, pp. 7-12, Nov. 2013. | |
| Paper # | US2013-69 | |
| Date of Issue | 2013-11-16 (US) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | US2013-69 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2013-11-23 - 2013-11-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kambaikan, Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Underwater Acoustics, General(Co-Organization：The Marine Acoustics Society of Japan) |
| Paper Information | |
| Registration To | US |
| Conference Code | 2013-11-US |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sonar strategy of wild echolocating bats (Pipistrellus abramus) during foraging flight in the field |
| Sub Title (in English) | Analysis of 3-D flight trajectory and pulse direction measured by a microphone array system |
| Keyword(1) | Bio-sonar |
| Keyword(2) | Echolocation |
| Keyword(3) | Japanese house bat |
| Keyword(4) | Field measurement |
| Keyword(5) | Sonar beam pattern |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shotaro Watanabe |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Miwa Sumiya |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Emyo Fujioka |
| 3rd Author's Affiliation | JST,FIRST/the University of Tokyo (FIRST/Univ. of Tokyo) |
| 4th Author's Name | Ikkyu Aihara |
| 4th Author's Affiliation | RIKEN (RIKEN) |
| 5th Author's Name | Yoshiaki Watanabe |
| 5th Author's Affiliation | Doshisha University/Neurosensing and Bionavigation Research Center,Doshisha University (Doshisha Univ.) |
| 6th Author's Name | Hiroshi Riquimaroux |
| 6th Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 7th Author's Name | Tetsuo Ohta |
| 7th Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 8th Author's Name | Shizuko Hiryu |
| 8th Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 9th Author's Name | |
| 9th Author's Affiliation | () |
| 10th Author's Name | |
| 10th Author's Affiliation | () |
| 11th Author's Name | |
| 11th Author's Affiliation | () |
| 12th Author's Name | |
| 12th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2013-11-23 13:30:00 |
| Presentation Time | 30 minutes |
| Registration for | US |
| Paper # | US2013-69 |
| Volume (vol) | vol.113 |
| Number (no) | no.317 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2013-11-16 (US) |
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