广角地震波场特征分析

张智, 张艳瑾, 董超, 李飞, 王海燕. 广角地震波场特征分析[J]. 地球物理学进展, 2013, 28(3): 1171-1182. doi: 10.6038/pg20130308
引用本文: 张智, 张艳瑾, 董超, 李飞, 王海燕. 广角地震波场特征分析[J]. 地球物理学进展, 2013, 28(3): 1171-1182. doi: 10.6038/pg20130308
ZHANG Zhi, ZHANG Yan-jin, DONG Chao, LI Fei, WANG Hai-yan. Analysis of the wide angle seismic wave field character[J]. Progress in Geophysics, 2013, 28(3): 1171-1182. doi: 10.6038/pg20130308
Citation: ZHANG Zhi, ZHANG Yan-jin, DONG Chao, LI Fei, WANG Hai-yan. Analysis of the wide angle seismic wave field character[J]. Progress in Geophysics, 2013, 28(3): 1171-1182. doi: 10.6038/pg20130308

广角地震波场特征分析

详细信息
    作者简介:

    张智,男,1975年生,副教授,主要研究方向为宽角地震数据处理和层析成像.(E-mail: zhangzhi@glut.edu.cn)

  • 中图分类号: P315

Analysis of the wide angle seismic wave field character

  • 地震宽角反射/折射方法主要是利用壳内与上地幔顶层的广角反射信息重建地壳上地幔结构,是研究地壳上地幔结构构造最有效的方法之一.同时,宽角地震接收到的超临界角的广角反射信息,相对于临界角之内的反射信息必定存在着随偏移距变化的时移现象.本文通过构建地壳模型采用交错网格有限差分方法合成广角地震记录,并从理论地震图上分别用传统射线方法和考虑时移影响的方法标定了震相走时,分析了广角反射的地震波场特征,揭示了地震资料中的广角效应,继而分析了广角信息存在对接收波场的响应影响.
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出版历程
收稿日期:  2012-12-12
修回日期:  2013-03-10
刊出日期:  2013-06-20

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