地震 第2輯
Online ISSN : 1883-9029
Print ISSN : 0037-1114
近地地震波の伝播に関する理論
纐纈 一起竹中 博士
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ジャーナル フリー

1989 年 42 巻 3 号 p. 391-403

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We review recent theoretical studies on wave propagation in the near field of seismic sources. These include theories for horizontally layered media as well as those for irregularly layered media. Ray theory and its extensions are easily applied to arbitrarily inhomogeneous media, but they include serious approximations. The finite difference method is also flexible, but requires extensive computation. Except for these methods, we should note that all the methods currently available for irregularly layered media belong to the category of the method of weighted residuals.

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© 社団法人日本地震学会
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