{"id":{"repo_id":"duquesne","oai_identifier":"oai:dsc.duq.edu:etd-1969"},"canonical_url":"https://search.dev.ndltd.org/etd/duquesne/oai:dsc.duq.edu:etd-1969","repository":{"repo_id":"duquesne","name":"Duquesne","base_url":"https://dsc.duq.edu/do/oai/"},"display":{"title":"A Fourier Solution for Electromagnetic Scattering by a Covered Rectangular Cavity","abstract":"This research investigates the plane-wave scattering from a two-dimensional rectangular cavity embedded in an infinite metallic surface that has been covered with a dielectric material. The transverse magnetic and transverse electric polarizations are both considered. The rectangular geometry of the embedded cavity allows for the use of a Fourier based solution. Presented here are modifications to the Fourier solution due to the addition of the material layer above the metallic surface. Applying these modifications allows for a solution to be determined for the electric and magnetic fields at the cavity aperture, where the strength of the return echo is then calculated and displayed in a radar cross section. In addition, an alternate method is introduced to improve upon the speed that it takes to determine a solution, providing a close approximation to the actual results.","abstract_html":"This research investigates the plane-wave scattering from a two-dimensional rectangular cavity embedded in an infinite metallic surface that has been covered with a dielectric material. The transverse magnetic and transverse electric polarizations are both considered. The rectangular geometry of the embedded cavity allows for the use of a Fourier based solution. Presented here are modifications to the Fourier solution due to the addition of the material layer above the metallic surface. Applying these modifications allows for a solution to be determined for the electric and magnetic fields at the cavity aperture, where the strength of the return echo is then calculated and displayed in a radar cross section. In addition, an alternate method is introduced to improve upon the speed that it takes to determine a solution, providing a close approximation to the actual results.","abstract_has_math":false,"creators":["Moser, Jessica"],"institution":null,"degree_name":"MS","degree_level":"Immediate Access","degree_discipline":"Computational Mathematics","degree_department":null,"school":null,"contributors":["John Fleming","Mark Mazur","Stacey Levine"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008-01-01T08:00:00Z","date_published":"2008-01-01T08:00:00Z","updated_at":"2026-07-24T02:10:15Z","subjects":["electromagnetic scattering","radar cross section","cavity problem","tranverse electric","tranverse magnetic"],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://dsc.duq.edu/etd/953","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["John Fleming","Mark Mazur","Stacey Levine"]},{"key":"dc:creator","label":"Author","values":["Moser, Jessica"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2018-08-03T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Computational Mathematics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Immediate Access"]},{"key":"thesis:degree_name","label":"Degree Name","values":["MS"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["electromagnetic scattering","radar cross section","cavity problem","tranverse electric","tranverse magnetic"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://dsc.duq.edu/etd/953"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This research investigates the plane-wave scattering from a two-dimensional rectangular cavity embedded in an infinite metallic surface that has been covered with a dielectric material. The transverse magnetic and transverse electric polarizations are both considered. The rectangular geometry of the embedded cavity allows for the use of a Fourier based solution. Presented here are modifications to the Fourier solution due to the addition of the material layer above the metallic surface. Applying these modifications allows for a solution to be determined for the electric and magnetic fields at the cavity aperture, where the strength of the return echo is then calculated and displayed in a radar cross section. In addition, an alternate method is introduced to improve upon the speed that it takes to determine a solution, providing a close approximation to the actual results."]},{"key":"dc:title","label":"Title","values":["A Fourier Solution for Electromagnetic Scattering by a Covered Rectangular Cavity"]}]}],"canonical_facts":{"dc:contributor":["John Fleming","Mark Mazur","Stacey Levine"],"dc:creator":["Moser, Jessica"],"dc:date.available":["2018-08-03T07:00:00Z"],"dc:description.abstract":["This research investigates the plane-wave scattering from a two-dimensional rectangular cavity embedded in an infinite metallic surface that has been covered with a dielectric material. The transverse magnetic and transverse electric polarizations are both considered. The rectangular geometry of the embedded cavity allows for the use of a Fourier based solution. Presented here are modifications to the Fourier solution due to the addition of the material layer above the metallic surface. Applying these modifications allows for a solution to be determined for the electric and magnetic fields at the cavity aperture, where the strength of the return echo is then calculated and displayed in a radar cross section. In addition, an alternate method is introduced to improve upon the speed that it takes to determine a solution, providing a close approximation to the actual results."],"dc:identifier":["https://dsc.duq.edu/etd/953"],"dc:language":["English"],"dc:subject":["electromagnetic scattering","radar cross section","cavity problem","tranverse electric","tranverse magnetic"],"dc:title":["A Fourier Solution for Electromagnetic Scattering by a Covered Rectangular Cavity"],"thesis:degree_discipline":["Computational Mathematics"],"thesis:degree_level":["Immediate Access"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T02:10:15Z"}