{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/81058"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/81058","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Parallel Methods for the Solution of Large-Scale Radiation and Inverse Scattering Problems","abstract":"A parallel MLFMA is also developed for 3-D, penetrable, acoustic scatterers. This is paired with the distorted-Born iterative method (DBIM) for inverse scattering. DBIM requires repeated solutions of the forward problem to compute an image. With the linear complexity offered by the MLFMA forward solver, DBIM reconstructions proceed with greatly-reduced computation. This allows the solution of very large inverse-scattering problems.","abstract_html":"A parallel MLFMA is also developed for 3-D, penetrable, acoustic scatterers. This is paired with the distorted-Born iterative method (DBIM) for inverse scattering. DBIM requires repeated solutions of the forward problem to compute an image. With the linear complexity offered by the MLFMA forward solver, DBIM reconstructions proceed with greatly-reduced computation. This allows the solution of very large inverse-scattering problems.","abstract_has_math":false,"creators":["Hesford, Andrew J."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical and Computer Engineering","degree_department":null,"school":null,"contributors":["Chew, Weng Cho"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:09:26Z","date_published":"2015-09-25T20:09:26Z","updated_at":"2026-07-22T22:26:15Z","subjects":["Engineering, Electronics and Electrical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3301149"],"render_values":[{"text":"(MiAaPQ)AAI3301149","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/81058","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Chew, Weng Cho"]},{"key":"dc:creator","label":"Author","values":["Hesford, Andrew J."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:09:26Z","10000-01-01","2007"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical and Computer Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Electronics and Electrical"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/81058","(MiAaPQ)AAI3301149"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A parallel MLFMA is also developed for 3-D, penetrable, acoustic scatterers. This is paired with the distorted-Born iterative method (DBIM) for inverse scattering. DBIM requires repeated solutions of the forward problem to compute an image. With the linear complexity offered by the MLFMA forward solver, DBIM reconstructions proceed with greatly-reduced computation. This allows the solution of very large inverse-scattering problems.","Made available in DSpace on 2015-09-25T20:09:26Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3301149.pdf: 4162563 bytes, checksum: 776bd4d67479ac2860783e581ba2e364 (MD5) Previous issue date: 2007","Embargo set by: Seth Robbins for item 82340 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","130 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007."]},{"key":"dc:title","label":"Title","values":["Parallel Methods for the Solution of Large-Scale Radiation and Inverse Scattering Problems"]}]}],"canonical_facts":{"dc:contributor":["Chew, Weng Cho"],"dc:creator":["Hesford, Andrew J."],"dc:date":["2015-09-25T20:09:26Z","10000-01-01","2007"],"dc:description":["A parallel MLFMA is also developed for 3-D, penetrable, acoustic scatterers. This is paired with the distorted-Born iterative method (DBIM) for inverse scattering. DBIM requires repeated solutions of the forward problem to compute an image. With the linear complexity offered by the MLFMA forward solver, DBIM reconstructions proceed with greatly-reduced computation. This allows the solution of very large inverse-scattering problems.","Made available in DSpace on 2015-09-25T20:09:26Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3301149.pdf: 4162563 bytes, checksum: 776bd4d67479ac2860783e581ba2e364 (MD5) Previous issue date: 2007","Embargo set by: Seth Robbins for item 82340 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","130 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007."],"dc:identifier":["http://hdl.handle.net/2142/81058","(MiAaPQ)AAI3301149"],"dc:language":["eng"],"dc:subject":["Engineering, Electronics and Electrical"],"dc:title":["Parallel Methods for the Solution of Large-Scale Radiation and Inverse Scattering Problems"],"dc:type":["text"],"thesis:degree_discipline":["Electrical and Computer Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:15Z"}