WEKO3
アイテム
首都圏地震観測網（MeSO-net）で見られる様々なノイズ
https://doi.org/10.15083/0000032438
https://doi.org/10.15083/00000324382583cc60-4656-4410-a24b-d980dcd1e498
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
IHO84208.pdf (2.6MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2010-02-17 | |||||
| タイトル | ||||||
| タイトル | 首都圏地震観測網（MeSO-net）で見られる様々なノイズ | |||||
| 言語 | ja | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | MeSO-net | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | noise reduction | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | spectrogram | |||||
| 資源タイプ | ||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||
| タイプ | departmental bulletin paper | |||||
| ID登録 | ||||||
| ID登録 | 10.15083/0000032438 | |||||
| ID登録タイプ | JaLC | |||||
| その他のタイトル | ||||||
| その他のタイトル | Various Types of Noise in MeSO-net | |||||
| 著者 |
川北, 優子
× 川北, 優子× 酒井, 慎一 |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 123637 | |||||
| 姓名 | Kawakita, Yuuko | |||||
| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 123638 | |||||
| 姓名 | Sakai, Shinichi | |||||
| 著者所属 | ||||||
| 著者所属 | 東京大学地震研究所 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The Special Project for Earthquake Disaster Mitigation in the Tokyo Metropolitan Area has been ongoing (2007−2012). Under this project, the Metropolitan Seismic Observation network (MeSO-net), which consists of about 400 observation sites, has been constructed. The correlations of waveform from local and teleseismic events are high because observation sites are deployed at about 2 or 3-km intervals. In addition, the later phase is easily identified although artificial noise is very intense. However, we are attempting to improve quality by characterizing the various types of noise. In the metropolitan area, various human activities are observed that generate noise such as trains, automobiles, aircrafts, factories, and electrical power. These adversely affect our observations. We recognize various types of noise from continuous records. A spectral graph and a spectrogram in each station are useful for characterizing signals and noise. We also discovered a form of system noise obtained from the relationship between sensor and electrical circuit. We named it Aurora Noise. The strength of Aurora Noise was reduced by improving the electrical circuit. Our study will lead to improving the quality of observed data, and contribute to a new assessment of seismic hazard in the Tokyo Metropolitan Area in Japan. | |||||
| 書誌情報 |
地震研究所彙報 巻 84, 号 2, p. 127-139, 発行日 2009 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00408972 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00162258 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 51.1 | |||||
| 出版者 | ||||||
| 出版者 | 東京大学地震研究所 | |||||
| 出版者別名 | ||||||
| Earthquake Research Institute, University of Tokyo | ||||||
