Matches in SemOpenAlex for { <https://semopenalex.org/work/W1603611300> ?p ?o ?g. }
Showing items 1 to 81 of
81
with 100 items per page.
- W1603611300 abstract "One-dimensional (I-D) and two-dimensional (2-D) frequency-space seismic migration FIR digital filter coefficients are of complex values when such filters require special spacedomain as well as wavenumber domain characteristics. In this thesis, such FIR digital filters are designed using Vector Space Projection Methods (VSPMs), which can satisfy the desired predefined filters' properties, for 2-D and three-dimensional (3-D) seismic data sets, respectively. More precisely, the pure and the relaxed projection algorithms, which are part of the VSPM theory, are derived. Simulation results show that the relaxed versionof the pure algorithm can introduce significant savings in terms of the number of iterations required. Also, due to some undesirable background artifacts on migrated sections, a modified version of the pure algorithm was used to eliminate such effects. This modification has also led to a significant reduction in the number of computations when compared to both the pure and relaxed algorithms. We further propose a generalization of the l-D(real/complex-valued) pure algorithm to multi-dimensional (m-D) complex-valued FIR digital filters, where the resulting frequency responses possess an approximate equiripple nature. Superior designs are obtained when compared with other previously reportedmethods. In addition, we also propose a new scheme for implementing the predesigned 2-D migration FIR filters. This realization is based on Singular Value Decomposition(SVD). Unlike the existing realization methods which are used for this geophysical application, this cheap realization via SVD, compared with the true 2-D convolution, results in satisfactory wavenumber responses. Finally, an application to seismic migration of 2-Dand 3-D synthetic sections is shown to confirm our theoretical conclusions. The proposed resulting migration FIR filters are applied also to the challenging SEGIEAGE Salt model data. The migrated section (image) outperformed images obtained using other FIR filters and with other standard migration techniques where difficult structures contained in such a challenging model are imaged clearly." @default.
- W1603611300 created "2016-06-24" @default.
- W1603611300 creator A5042237070 @default.
- W1603611300 date "2006-04-01" @default.
- W1603611300 modified "2023-09-23" @default.
- W1603611300 title "Design &implementation of complex-valued FIR digital filters with application to migration of seismic data" @default.
- W1603611300 hasPublicationYear "2006" @default.
- W1603611300 type Work @default.
- W1603611300 sameAs 1603611300 @default.
- W1603611300 citedByCount "0" @default.
- W1603611300 crossrefType "dissertation" @default.
- W1603611300 hasAuthorship W1603611300A5042237070 @default.
- W1603611300 hasConcept C105795698 @default.
- W1603611300 hasConcept C106131492 @default.
- W1603611300 hasConcept C11413529 @default.
- W1603611300 hasConcept C118496448 @default.
- W1603611300 hasConcept C120665830 @default.
- W1603611300 hasConcept C121130766 @default.
- W1603611300 hasConcept C121332964 @default.
- W1603611300 hasConcept C127313418 @default.
- W1603611300 hasConcept C154945302 @default.
- W1603611300 hasConcept C165205528 @default.
- W1603611300 hasConcept C198386975 @default.
- W1603611300 hasConcept C22789450 @default.
- W1603611300 hasConcept C2781089630 @default.
- W1603611300 hasConcept C31972630 @default.
- W1603611300 hasConcept C33923547 @default.
- W1603611300 hasConcept C36390408 @default.
- W1603611300 hasConcept C41008148 @default.
- W1603611300 hasConcept C45347329 @default.
- W1603611300 hasConcept C45374587 @default.
- W1603611300 hasConcept C50644808 @default.
- W1603611300 hasConcept C57493831 @default.
- W1603611300 hasConceptScore W1603611300C105795698 @default.
- W1603611300 hasConceptScore W1603611300C106131492 @default.
- W1603611300 hasConceptScore W1603611300C11413529 @default.
- W1603611300 hasConceptScore W1603611300C118496448 @default.
- W1603611300 hasConceptScore W1603611300C120665830 @default.
- W1603611300 hasConceptScore W1603611300C121130766 @default.
- W1603611300 hasConceptScore W1603611300C121332964 @default.
- W1603611300 hasConceptScore W1603611300C127313418 @default.
- W1603611300 hasConceptScore W1603611300C154945302 @default.
- W1603611300 hasConceptScore W1603611300C165205528 @default.
- W1603611300 hasConceptScore W1603611300C198386975 @default.
- W1603611300 hasConceptScore W1603611300C22789450 @default.
- W1603611300 hasConceptScore W1603611300C2781089630 @default.
- W1603611300 hasConceptScore W1603611300C31972630 @default.
- W1603611300 hasConceptScore W1603611300C33923547 @default.
- W1603611300 hasConceptScore W1603611300C36390408 @default.
- W1603611300 hasConceptScore W1603611300C41008148 @default.
- W1603611300 hasConceptScore W1603611300C45347329 @default.
- W1603611300 hasConceptScore W1603611300C45374587 @default.
- W1603611300 hasConceptScore W1603611300C50644808 @default.
- W1603611300 hasConceptScore W1603611300C57493831 @default.
- W1603611300 hasLocation W16036113001 @default.
- W1603611300 hasOpenAccess W1603611300 @default.
- W1603611300 hasPrimaryLocation W16036113001 @default.
- W1603611300 hasRelatedWork W1973681054 @default.
- W1603611300 hasRelatedWork W1991175752 @default.
- W1603611300 hasRelatedWork W2009125876 @default.
- W1603611300 hasRelatedWork W2024849127 @default.
- W1603611300 hasRelatedWork W2049781150 @default.
- W1603611300 hasRelatedWork W2152116776 @default.
- W1603611300 hasRelatedWork W2154464591 @default.
- W1603611300 hasRelatedWork W2165367999 @default.
- W1603611300 hasRelatedWork W2184193562 @default.
- W1603611300 hasRelatedWork W2186982676 @default.
- W1603611300 hasRelatedWork W2206448864 @default.
- W1603611300 hasRelatedWork W2216327664 @default.
- W1603611300 hasRelatedWork W2338259719 @default.
- W1603611300 hasRelatedWork W2528238661 @default.
- W1603611300 hasRelatedWork W284606806 @default.
- W1603611300 hasRelatedWork W286773989 @default.
- W1603611300 hasRelatedWork W2921503654 @default.
- W1603611300 hasRelatedWork W3194614359 @default.
- W1603611300 hasRelatedWork W423746363 @default.
- W1603611300 hasRelatedWork W45146009 @default.
- W1603611300 isParatext "false" @default.
- W1603611300 isRetracted "false" @default.
- W1603611300 magId "1603611300" @default.
- W1603611300 workType "dissertation" @default.