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A Least Squares Method for the Focal Mechanism Determination from S Wave Data : Part I
https://doi.org/10.15083/0000033548
https://doi.org/10.15083/0000033548cd0cc1b6-b4f0-4487-bf9f-424cade832f2
名前 / ファイル | ライセンス | アクション |
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ji0443007.pdf (1.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | A Least Squares Method for the Focal Mechanism Determination from S Wave Data : Part I | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15083/0000033548 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | S波観測から地震のメカニズムを求める最小二乗法 : 第1報 | |||||
著者 |
Hirasawa, Tomowo
× Hirasawa, Tomowo |
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著者別名 | ||||||
識別子 | 131069 | |||||
識別子Scheme | WEKO | |||||
姓名 | 平沢, 朋郎 | |||||
著者所属 | ||||||
著者所属 | Geophysical Institute, Faculty of Science, The University of Tokyo. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A least squares method for the focal mechanism determination is given by use of S wave data, where the double couple hypothesis is assumed. The substantial idea of the method is based upon the assumption that a finite set of the residuals of the polarization angles of S waves for a particular earthquake is sampled from a population of the normal distribution, where the residual is defined as deviation of the observed polarization angle from that expected theoretically at an individual station. Because of the non-linearity of the problem the sum of squares of the residuals has secondary minima in some cases. For such cases the use of the statistical test for the significance of difference of the population variances is proposed in order to distinguish the most probable solution independent of the P wave observations. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | S波のpolarization angleの観測値とdouble coupleの仮説に基く理論値の差(残差)を確率変数とみなし,残差平方和を最小にするメカニズムの解を求める解析的方法が与えられた. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 44, 号 3, p. 901-918, 発行日 1967-01-30 |
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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 | 453 | |||||
主題Scheme | NDC | |||||
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 |