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《Petroleum Geology & Oilfield Development in Daqing》 2015-04
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SUPPRESSION OF THE SURFACE WAVE BY F-K-FREQUENCY WAVENUMBER DOMAIN INVERSE FREQUENCY DISPERSION

WANG Hongxu;Exploration and Development Research Institute of Daqing Oilfield Co.Ltd.;  
Linear noise suppressed effect by frequency and wave number(F-K) domain filtering is remarkable,but the surface wave with the dispersion characteristics can not be held down.On the contrary,the traditional inverse-dispersion surface-wave suppressing method can recover the characteristics to the linear noise,therefore the method in the F-K domain is adopted to suppress the surface waves by means of the inverse dispersion process,thus the low-frequency effective signals in the seismic data can not only be kept while the suppression,but the resolution of the seismic records can be improved as well as the enhancement of the signal-to-noise ratio.The suppressions of the model calculation and actual data processing have achieved much better effects.
【Fund】: 中国石油天然气股份有限公司科技重大专题项目(2011CZB-015)
【CateGory Index】: P631.4
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【Citations】
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