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·A new travel time estimation method for horizontal

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上傳時(shí)間：2011-01-26 14:15:03

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As exploration targets get deeper, cable lengths increased accordingly. Increasing offsets have made the conventional two term hyperbolic equation produce increasingly erroneous travel times. As a remedy many researchers proposed various forms of hyperbolic equation and higher order of expansion. The fourth power expansions have been the most commonly used for NMO correction for the long offsets.

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·A new travel time estimation method for horizontal