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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SRW | 2023-01-16 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Ultrasonic echolocation of bats Shizuko Hiryu (Doshisha Univ.)  SRW2022-40 |
Bats use echolocation to perceive their surroundings by emitting ultrasounds from their nostrils or mouths and listening... [more] | SRW2022-40 p.23 |
| US | 2022-06-30 13:25 |
Osaka | Kansai University (Senriyama Campus) | 2-D FDTD simulation of moving sound source and receiver with directivity Takao Tsuchiya, Yu Teshima, Shizuko Hiryu (Doshisha Univ.) US2022-13 |
In this paper, moving sound source and receiver with directivity are implemented in the two-dimensional finite differenc... [more] | US2022-13 pp.19-24 |
| US | 2022-06-30 13:50 |
Osaka | Kansai University (Senriyama Campus) | Object discrimination ability of bats by operant conditioning Mayuko Mogi, Yu Teshima, Hare Nishida, Takao Tsuchiya, Shizuko Hiryu (Doshisha Univ.) US2022-14 |
Bats acquire information about a target by emitting ultrasound pulses from their mouths or noses and listening to the ec... [more] | US2022-14 pp.25-30 |
| US | 2021-06-18 14:55 |
Online | Online | 2-D FDTD simulation of moving sound source/receiver Takao Tsuchiya, Yu Teshima, Shizuko Hiryu (Doshisha Univ.) US2021-12 |
In this paper, moving sound source and/or receiver with arbitrary trajectory is implemented in the two-dimensional finit... [more] | US2021-12 pp.23-28 |
| US | 2021-06-18 15:20 |
Online | Online | Study of attention of bats by reproducing echoes using FDTD simulation. Yuta Hasegawa, Yu Teshima, Taku Kawamura, Takao Tsuchiya, Shizuko Hiryu (Doshisha Univ.) US2021-13 |
Bats use echolocation, in which they emit sounds and listen to their echoes, to achieve a high level of spatial percepti... [more] | US2021-13 pp.29-34 |
| US | 2021-06-18 15:45 |
Online | Online | Evaluation of auditory directivity in horseshoe bat by using FDTD simulation Takumi Nomura, Yu Tesima, Takao Tsuchiya, Shizuko Hiryu (Doshisha Univ) US2021-14 |
Bats acquire spatial information by emitting ultrasonic waves and processing the echoes from their surroundings. We have... [more] | US2021-14 pp.35-40 |
| US | 2021-02-22 14:30 |
Online | Online | Shape classification by SVM and reflection waveform evaluation by FDTD simulation
-- Consideration on shape recognition by bat echolocation -- Yusho Uemura, Yu Teshima, Takao Tsuchiya, Shizuko Hiryu (Doshisha Univ.) US2020-69 |
Bats acquire spatial information by emitting ultrasound pulse and processing echoes from the surroundings. We have clari... [more] | US2020-69 pp.14-19 |
| US, EA (Joint) |
2016-01-29 14:30 |
Osaka | Kansai University, Centenary Memorial Hall | Investigation of electroacoustic transformation device -Thermophone- for radiating broadband ultrasound Takuya Nishioka, Shinji Takayanagi, Olivier Burbuiere, Mami Matsukawa (Doshisha Univ.), Takaaki Asada (Murata Manufacturing Co., Ltd.), Shizuko Hiryu (Doshisha Univ.) US2015-102 EA2015-65 |
We investigated the fundamental characteristics of the electric-sound transduction device -thermophone-. A thermophone g... [more] | US2015-102 EA2015-65 pp.105-110(US), pp.63-68(EA) |
| US | 2014-11-13 14:55 |
Ishikawa | Kanazawa Institute of Technology | Changes in ultrasonic characteristics of echolocation sounds emitted by FM bats under acoustic jamming condition Kazuma Hase, Eri Takahashi, Takara Miyamoto, Yoshiaki Watanabe, Hiroshi Riquimaroux, Tetsuo Ohta, Shizuko Hiryu (Doshisha Univ.) US2014-61 |
We investigated jamming avoidance response of FM bats (Miniopterus fuliginosus) by using artificial FM jamming sounds. T... [more] | US2014-61 pp.17-22 |
| US | 2013-11-23 13:30 |
Kyoto | Kambaikan, Doshisha Univ. | 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 |
Pulse direction and flight trajectory of FM echolocating bats (Pipistrellus abramus) during natural foraging were measur... [more] | US2013-69 pp.7-12 |
| US | 2011-11-24 15:00 |
Shizuoka | Tokai Univ. | Active sonar strategy for a moving target by CF-FM echolocating bats
-- Measurements of direction and directivity of ultrasonic pulse emitted by the bat during intercepting a fluttering moth -- Naohiro Matsuta, Yuki Kinoshita, Shizuko Hiryu, Tetsuo Ohta, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2011-72 |
We measured both direction and directivity of pulses emitted by CF-FM bats during intercepting to a fluttering moth in a... [more] | US2011-72 pp.37-42 |
| EA, US (Joint) |
2011-01-21 09:45 |
Kyoto | Doshisha Univ. | An experimental and theoretical investigation of pulse production for effective target search
-- Analysis of ultrasonic sonar emission of echolocating bats during foraging -- Emyo Fujioka (Doshisha Univ.), Ikkyu Aihara (Kyoto Univ.), Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2010-103 EA2010-116 |
Ultrasonic sonar emissions and 3-D flight paths of free-ranging wild Pipistrellus abramus were measured by using a custo... [more] | US2010-103 EA2010-116 pp.65-70 |
| EA, US (Joint) |
2011-01-21 10:15 |
Kyoto | Doshisha Univ. | Characteristics of ultrasonic echolocation pulse of FM bats (Pipistrellus abramus) in a cluttered environment Toshiya Takenaga, Yukako Kagami, Emyo Fujioka, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2010-104 EA2010-117 |
Changes in the terminal frequency (TF; the end frequency of downward FM sweep) of echolocation pulses were investigated ... [more] | US2010-104 EA2010-117 pp.71-76 |
| US | 2010-02-24 12:40 |
Tokyo | TOKYO KEIKI INC. | A study on environmental sensing by bat bio-sonar
-- Relationships between sonar beam direction and flight direction during obstacle avoidance -- Naotaro Hirade, Emyo Fujioka, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2009-115 |
Bats have high capabilities of avoiding obstacles by echolocation combined with flight performance in complete darkness.... [more] | US2009-115 pp.19-24 |
| US | 2008-11-27 15:15 |
Shizuoka | Relationship between wingbeat and pulse emission timings of echolocating bats
-- Efficient navigation system of biosonar -- Yu Watanabe, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2008-64 |
In this study, we investigated echolocation behavior of 3 bat species which use sonar pulse with different frequency str... [more] | US2008-64 pp.17-22 |
|
| US | 2008-02-26 14:40 |
Tokyo | Elm Hall, Ichigaya Bldg., Sharp Corp. | Acoustic sensing technique by echolocating bats
-- Simultaneous measurement of flight behavior and sonar beam pattern by microphone array system -- Michihiro Fukuda, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2007-116 |
Bats possess highly-developed bio-sonar system established in order to overcome natural selection and adapt themselves t... [more] | US2007-116 pp.43-48 |
| EA, US (Joint) |
2008-01-29 16:30 |
Osaka | Kansai University | Contribution of bat's pinna movement for extracting advanced target information in echolocation Tatsuro Hosokawa, Yu Shiori, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2007-107 |
Some CF-FM bat species are known to move their pinnae rapidly and alternately back and forth while they are paying atten... [more] | US2007-107 pp.59-64 |
| EA, US (Joint) |
2008-01-29 17:00 |
Osaka | Kansai University | Measurements of pulse and echo for flying CF-FM bats by telemetry sound recording
-- Characteristics of pulse-echo overlap during flight -- Yu Shiori, Tatsuro Hosokawa, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2007-108 |
Onboard telemetry sound recording allowed us to examine pulse-echo interference which the horseshoe bats actually experi... [more] | US2007-108 pp.65-70 |
| US | 2007-08-24 15:10 |
Kanagawa | The Port and Airport Research Institute | Scanning technique by echolocating bats
-- Flight behavior and pulse direction simultaneously observed by the laboratory recording -- Michihiro Fukuda, Shizuko Hiryu, Hiroshi Riquimaroux, Yoshiaki Watanabe (Doshisha Univ.) US2007-34 |
Bats and dolphins possess highly-developed biosonar system. In this study, we examined directional patterns of echolocat... [more] | US2007-34 pp.37-42 |
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