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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 4 of 4 (0.104 seconds)Spelling suggestions: "subject:"fourier integral operator"" "subject:"courier integral operator""
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Migration preconditioning with curvelets.Moghaddam, Peyman P., Herrmann, Felix J. January 2004 (has links)
In this paper, the property of Curvelet transforms for preconditioning the migration and normal operators is investigated. These operators belong to the class of Fourier integral operators and pseudo-differential operators, respectively. The effect of this preconditioner is shown in term of improvement of sparsity, convergence rate, number of iteration for the Krylov-subspace solver and clustering of singular(eigen) values. The migration operator, which we employed in this work is the common-offset Kirchoff-Born migration.
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| 2 |
Critical exponents for semilinear Tricomi-type equationsHe, Daoyin 16 September 2016 (has links)
No description available.
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| 3 |
Semi-classical approximations of Quantum Mechanical problemsKarlsson, Ulf January 2002 (has links)
No description available.
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| 4 |
Semi-classical approximations of Quantum Mechanical problemsKarlsson, Ulf January 2002 (has links)
No description available.
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