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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 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 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 |
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| 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 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 |
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