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Bispectral Picking Moveout Parameter Fields

LI Pei-pei,HE Qiao-deng,XU Shan-hui College of GeoExploration Science and Technology,Jilin University,Changchun 130026,China  
The high definition which studies Siliqi and Meur etc.to put forward automatic dense bispectral picking rms-velocity and anellipticity η.Lead out the residual moveout at the largest offset dtn and the zero-offset traveltime τ0 for variable of shifted hyperbola eqution,use the picked dtn and τ0,then convert them to rms-velocity and anellipticity η.In the processing process of the theories data,we find shifted hyperbola to scan of the accuracy had a certain exaltation than the nonhyperbolic moveout curve method,specially the error of η low down a lot,this explained us to make use of shifted hyperbola to scan of superiority.
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