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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 20  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SP, IPSJ-MUS, IPSJ-SLP [detail] 2023-06-24
(Primary: On-site, Secondary: Online)
[Poster Presentation] Freezing response to distress calls and heart rate variability analysis in Japanese house bats
Kazuki Yoshino-Hashizawa (Doshisha Univ./JSPS), Yuna Nishiuchi, Midori Hiragochi, Motoki Kihara, Kohta I Kobayasi, Shizuko Hiryu (Doshisha Univ.) SP2023-21
Bats are animals that primarily use sound information, such as echolocation, and communicate through social calls. The d... [more] SP2023-21
SRW 2023-01-16
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
US 2022-06-30
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
US 2022-06-30
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
US 2021-06-18
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
US 2021-06-18
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
US 2021-06-18
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
US 2021-02-22
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
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
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
US 2013-11-23
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
US 2011-11-24
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
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
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
US 2010-02-24
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
US 2008-11-27
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
US 2008-02-26
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
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
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
US 2007-08-24
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
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