Recovery of medium properties in three dimensions with three-dimensional parameters variability

• Autorzy: Masood K. , Zaman F. D.
• Języki publikacji: EN

Abstrakty

EN

We consider a problem of identification of physical properties of the Earth using the damped wave equation, based on the linearized inversion associated with Horn's inversion theory. We assume that damping and sound speed are well approximated by the background plus the perturbation. Application of the method leads to a linear integral equation involving variations in sound speed and damping. Our aim is to recover these variations in velocity and damping, what in turn yields a map of the interfaces in the interior of the Earth. We consider the three-dimensional inverse problem of determining three-dimensional variations in the propagation speed and damping by considering the damped wave equation. We exploit the high-frequency character of seismic data to simplify the problem.

Słowa kluczowe

PL

badanie sejsmiczne; badanie wnętrza Ziemi; identyfikacja warstw; równanie fali tłumionej; warstwa geologiczna; identyfikacja warstw geologicznych

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Journal of Technical Physics
• Rocznik: 2007
• Tom: Vol. 48, no 1
• Strony: 29--38
• Opis fizyczny: Bibliogr. 38 poz.

Twórcy

autor

Masood K.

autor

Zaman F. D.

• Hafr Al-Batin Community College, King Fahd University of Petroleum and Minerals, P.O. Box 5087, Dhahran 31261, Saudi Arabia,

Bibliografia

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• 2. F.D. ZAMAN, K. MASOOD, IL Nuovo Cemento 'C', 25, 3, 263, 2002.
• 3. N. BLEISTEIN, J. K. COHEN, J. W. STOCKWELL JR., Mathematics of multidimensional seismic imaging migration and inversion, Springer-Verlag, New York 2000.
• 4. N. BLEISTEIN, J. K. COHEN, F. G. HAGIN, Geophysics, 50, 1253, 1985.
• 5. J.K. COHEN, F. G. HAGIN, N. BLEISTEIN, Geophysics, 51, 1552, 1986.
• 6. I. STAKGOLD, Boundary value problems of mathematical physics, Volume II: The Macmillan Company, New York 1968.