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Velocity determination T- D T NMO method. X. Low V NMO. T 0. After NMO. V true. High V NMO. Before NMO. T. D T NMO X 2 / (2T 0 V NMO 2 ) T NMO = T(X) – D T NMO.
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Velocity determinationT-DTNMO method X Low VNMO T0 After NMO Vtrue High VNMO Before NMO T DTNMO X2 / (2T0 VNMO2) TNMO= T(X) – DTNMO