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基于波场分离的接收函数正演及偏移
琚长辉; 王伟; 王祥春; 高星
Source Publication地球物理学进展
2015
Pages2676-2682
Abstract针对理论接收函数的正演和偏移,本文采用基于波场分离的有限差分数值模拟的算法,借鉴成熟的地震勘探处理技术,建立了基于波场分离的一阶速度-应力方程,实现接收函数阵列的正演和偏移.利用叠前逆时偏移的理论对接收函数进行成像.数值计算的结果表明,基于波场分离理论的正演能够得到接收函数的纯P波阵列和纯S波阵列,利用叠前逆时偏移的方法能够进行高精度成像.通过对比纯P波阵列、纯S波阵列和全波场阵列的成像结果发现,利用接收函数的纯S波阵列进行叠前逆时偏移能够获得较高精度的成像结果.
Keyword接收函数 波场分离 有限差分正演 叠前逆时偏移
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7058
Collection图书馆
Recommended Citation
GB/T 7714
琚长辉,王伟,王祥春,等. 基于波场分离的接收函数正演及偏移[J]. 地球物理学进展,2015:2676-2682.
APA 琚长辉,王伟,王祥春,&高星.(2015).基于波场分离的接收函数正演及偏移.地球物理学进展,2676-2682.
MLA 琚长辉,et al."基于波场分离的接收函数正演及偏移".地球物理学进展 (2015):2676-2682.
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