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Keywords: explicit operator
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Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3076
... this problem: using implicit spatial finite difference operators. For time domain modeling, implicit operators are hard to be made as efficient as explicit operators that have the same order of accuracy because we have to solve linear equations when using implicit operators. For frequency domain model modeling...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-1914
... migration algorithm zhang spmi 4 annual international meeting explicit operator alkhalifah anisotropic media anisotropy rousseau geophysics reservoir characterization transversely isotropic media upstream oil & gas operator media migration vti media approximation 3D Fourier Finite...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-1918
... extrapolation using a constrained explicit operator. The constrained operator has a reduced number of independent coefficients, leading to improved migration efficiency whilst retaining accuracy. Our optimization process for the operator design ensures that we can quickly design a large number of well-behaved...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-1065
... can be higher than old methods. It is able to be satisfied with the necessary of extrapolation of wavefield. constraint wavefield operator migration frequency-space field amplification wavefield-spread area depth migration wavenumber field explicit operator amplitude comparison...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1228
... ABSTRACT No preview is available for this paper. extrapolator upstream oil & gas transversely isotropic media uzcategui ti media propagation mode normalized frequency media depth migration accuracy operator explicit operator migration tsvankin colorado school impulse...

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