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In SEP-59 (Zhang, 1988), I describe a new derivation of the
dip-moveout (DMO) operator
in the Fourier domain. The new operator is kinematically
equivalent to Hale's DMO operator but has a different amplitude spectrum.
From the results of synthetic experiments, I noticed that the
impulse responses of the operator have properties
that agree qualitatively with wave theory: the operator tends to give
a uniform amplitude response for reflectors of varying dips.
However, in that study I did not attempt to make a quantitative explanation of
such an amplitude phenomenon.
Black and Egan (1988) studied true-amplitude DMO by starting from the wave
equation and deriving the operator in the space-time domain. Interestingly,
their results agree with those I obtained in the f-k domain
with a purely kinematic approach.

In this paper, I show some numerical results of the quantitative study of
true-amplitude DMO. I first review the two different definitions of DMO,
then I use synthetic data examples to test the theory.
To avoid confusion among various definitions of true-amplitude
DMO, I call this operator uniform-amplitude DMO operator.

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Stanford Exploration Project

12/18/1997