| 波形极相似的地震丛集中剪切波分裂的变化 |
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| 引用本文： | 王培德,K. Klinge,F. Kruger,T.Plenefisch. 波形极相似的地震丛集中剪切波分裂的变化[J]. 地震学报, 2000, 22(5): 501-508 |
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| 作者姓名： | 王培德 K. Klinge F. Kruger T.Plenefisch |
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| 作者单位： | 1）中国北京100081中国地震局地球物理研究所2）Grafenberg Central Seismological Observation，91052，Erlangen，Germany |
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| 基金项目： | 国家重点基础研究发展计划(973计划);G1998040705; |
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| 摘 要： | 在1991年大同MS5.8地震余震的记录中，一些小地震丛集中可见波形极为相似的地震对，利用各对地震记录的互相关函数可以确认其相似性．为了辨认剪切波波形中发生的微小变化，采用重采样技术提高采样率．可以直接从地震图中观察到丛集中成对地震的剪切波分裂的变化．
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| 关 键 词： | 地震丛集 剪切波分裂 大同 |
VARIATION OF SHEAR-WAVE SPLITTING IN EARTHQUAKE CLUSTERS WITH VERY SIMILAR WAVEFORMS |
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| Wang Peide,K. Klinge,F. Kruger,T.Plenefisch. VARIATION OF SHEAR-WAVE SPLITTING IN EARTHQUAKE CLUSTERS WITH VERY SIMILAR WAVEFORMS[J]. Acta Seismologica Sinica, 2000, 22(5): 501-508 |
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| Authors: | Wang Peide K. Klinge F. Kruger T.Plenefisch |
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| Abstract: | WT5BZ]Among the near source broadband records of the aftershocks of the 1991 Datong, China M L=5.8 earthquake, very similar waveforms from clusters of small earthquakes are observed. Cross correlation of the waveforms of pairs in the cluster confirmed the similarities. Resampling technique is used to increase the sampling rate, which is helpful to distinguish the small variation of shear wave splitting. The variation of shear wave splitting could be found directly from seismograms of each pair in a cluster. |
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| Keywords: | earthquake cluster shear wave splitting Datong |
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