| 掲載雑誌（和）： | 日本地震工学シンポジウム論文集 |
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| Vol： | 11巻 |
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| 年： |
2002年
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| 頁： |
551-554頁
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| 著者（和）： |
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| タイトル（和）： |
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| 抄録（和）： |
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| キーワード（和）： |
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| 掲載雑誌（英）： |
THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
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| 著者（英）： |
Shinichi MATSUSHIMA, Toshiaki SATO
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| タイトル（英）： |
FREQUENCY, DISTANCE, AND TIME DEPENDENCE OF RADIATION PATTERN CHARACTERISTICS OF STRONG MOTIONS
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| 抄録（英）： |
We investigated frequency,distance and time dependence of radiation pattern characteristics observed in strong motion data at KiK-net sites for the October 8,2000 aftershock (M J 5.5)of the 2000 Tottori-ken Seibu, Japan, earthquake. The results are as follows. 1)For S-wave part, at frequencies lower than 1 to 2 Hz,the observed radiation pattern characteristics were simulated well by the theoretical radiation pattern characteristics. But at frequencies higher than 3 Hz, the observed radiation pattern characteristics drastically changed and became isotropic.2)For coda-part, the observed radiation pattern characteristics were not consistent with the theoretical ones for S-waves.
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| キーワード（英）： |
frequency dependence, strong motion, radiation pattern characteristics, R/T ratio, time dependence time
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| 記事区分： |
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| 区分： |
委員会論文集 |
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