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《Global Geology》 2010-02
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Attenuation of near--surface scattering noise based on wave theory

HAN Jia-jun1,HAN Li-guo1,GONG Xiang-bo1,SONG Jun-ting2 1. College of Geoexploration Science and Technology,Jilin University,Changchun 130026,China; 2. Tianjin Branch of CNOOC (China) Co. ,Ltd,Tianjin 300452,China  
Based on wave theory,seismic field can be divided into incident wave field and scattered wave field. The incident wave field can be related with the scattered wave field through wave impedance difference function on appropriate assumptions. The scattered wave field in seismic data can be forecasted by using wave impedance difference function so as to reach the intention to eliminate scattered noise. Through the forward modeling and application of field data,this method shows the priority on attenuating near--surface scattered noise.
【Fund】: 国家高技术研究发展计划(863计划课题)“金属矿多波地震处理解释技术”(2006AA06Z108)
【CateGory Index】: P631.452
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