P031 The x-f-k and t-f-k Transforms and Application of the x-f-k Transform in Seismic Data Processing R. Askari (Institute for Advanced Studies in Basic Sciences) & H.R. Siahkoohi* (Institute of Geophysics University of Tehran) SUMMARY In cases where ground-rolls are highly scattered all preceding filtering methods fail to eliminate the ground rolls efficiently. To solve this problem we introduce x-f-k and t-f-k transforms in this paper. The xf-k and t-f-k transforms are two approaches to localize apparent velocity panel of a seismic record in the time and offset domains respectively. These transforms provide the possibility of designing a time or


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