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Fresnel volume tomography based on the first arrival of the seismic wave
Author(s): 
Pages: 2310-2320
Year: Issue:  9
Journal: Chinese Journal of Geophysics

Keyword:  菲涅尔体Born近似Rytov近似核函数初至波层析成像;
Abstract: 根据地震波传播的有限频理论,对于某个特定震相的观测信息,不仅射线路径上的点对该信息具有影响,射线领域上的其他点对接收信息也具有影响,这种影响可以用核函数来表达.本文基于波动方程的Born近似与Rytov近似,给出了非均匀介质情况下初至地震波振幅与走时菲涅尔体层析成像单频、带限层析核函数的计算方法.通过对均匀介质情况下初至地震波菲涅尔体层析成像核函数解析表达式的理论模型实验与分析,给出了不同维度振幅...
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