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。
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.
在室内进行了岩心组合实验，在现场应用无源地震测量技术，获得单井应力数据；利用数值模拟技术获得该区块的地应力数据。
Stress data of single well is obtained through combined core experiments made in laboratory and passive seismic surveying technique used in the field.
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