| Presentation | 2019-03-13 An attempt of source position estimation based on multipoint observation of infrasound Zhenglie Cui, Ryosuke Sasahara, Ryouichi Nishimura, Y?iti Suzuki, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Since infrasound travels in the atmosphere significantly faster than tsunami gravity waves, early detection of tsunamis can be well expected by monitoring infrasound. To accurately identify a tsunami source it is important to use a large number of sensors distributed with long baselines. We have thus developed a low-cost infrasound observation device using micro-electric mechanical system (MEMS) atmospheric pressure sensors. To test its usability, indoor and outdoor tests were conducted using multipoint observations. In indoor experiments, infrasound was excited by opening and closing a door, and by bursting a large balloon. The accuracy of time synchronization was examined between infrasound observation devices at different points. Results showed that the time errors were within one sampling time (10 ms) in almost all indoor conditions. In the outdoor field test, infrasound excited by festival firework explosions were observed at multiple points in Sendai, Japan. Results showed that it is possible to estimate the source positions with certain accuracy. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Infrasound / atmospheric pressure sensor / source position estimation |
| Paper # | EMM2018-110 |
| Date of Issue | 2019-03-06 (EMM) |
| Conference Information | |
| Committee | EMM |
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| Conference Date | 2019/3/13(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | TBD |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Image and Sound Quality, Metrics for Perception and Recognition, Human Auditory and Visual System, etc. |
| Chair | Keiichi Iwamura(TUC) |
| Vice Chair | Minoru Kuribayashi(Okayama Univ.) / Tetsuya Kojima(NIT,Tokyo College) |
| Secretary | Minoru Kuribayashi(NIT, Tokyo) / Tetsuya Kojima(Tyukyo Univ.) |
| Assistant | Hiroko Akiyama(NIT, Nagano College) / キタヒロ カネダ(CANON) |
| Paper Information | |
| Registration To | Technical Committee on Enriched MultiMedia |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An attempt of source position estimation based on multipoint observation of infrasound |
| Sub Title (in English) | |
| Keyword(1) | Infrasound |
| Keyword(2) | atmospheric pressure sensor |
| Keyword(3) | source position estimation |
| 1st Author's Name | Zhenglie Cui |
| 1st Author's Affiliation | Tohoku University(Tohoku Univ.) |
| 2nd Author's Name | Ryosuke Sasahara |
| 2nd Author's Affiliation | Tohoku University(Tohoku Univ.) |
| 3rd Author's Name | Ryouichi Nishimura |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology(NICT) |
| 4th Author's Name | Y?iti Suzuki |
| 4th Author's Affiliation | Tohoku University(Tohoku Univ.) |
| Date | 2019-03-13 |
| Paper # | EMM2018-110 |
| Volume (vol) | vol.118 |
| Number (no) | EMM-494 |
| Page | pp.pp.101-104(EMM), |
| #Pages | 4 |
| Date of Issue | 2019-03-06 (EMM) |