An analysis of a passive seismic method for subsurface imaging is presented in which ambient seismic noise is employed as the source of illumination of subsurface scatterers.
本文提出用于地下成像无源地震方法的分析，在该方法中应用环境地震噪声作为地下散射体的照明源。
The two cross correlations sum up to realize plane wave imaging at subsurface.
二者互相关求和，实现平面波地下波场成像。
Reflections are the main carriers of subsurface structures, and also the main information used in seismic imaging.
反射波是地下构造信息的主要载体，是地震成像的主要信息。
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