{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/69252"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/69252","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Analysis of the Suspended H-Waveguide and Other Related Dielectric Waveguide Structures","abstract":"In this thesis, the field and propagation characteristics of many dielectric waveguide structures that are of direct importance to the areas of millimeter-wave integrated circuits are studied. A rigorous method of analysis of the propagation constants and the field distributions of a newly developed suspended H-waveguide based on the mode matching techniques is described. The derived eigenvalue equation for determining the propagation constant of this waveguide structure is very general and can be applied directly to other planar dielectric structures of rectangular cross section. However, for applications where only approximate values of the propagation constants are necessary, a simple effective parameter approximations are employed. Even though the effective parameter approximations do not provide very accurate results for the propagation constants in some cases, they always provide useful information on the whereabouts and the existence of certain modes which, in turn, can be used as the initial values for iterating in the more rigorous mode matching technique. As frequency increases, the values obtained by the effective parameter technique approach those obtained by the mode matching method.","abstract_html":"In this thesis, the field and propagation characteristics of many dielectric waveguide structures that are of direct importance to the areas of millimeter-wave integrated circuits are studied. A rigorous method of analysis of the propagation constants and the field distributions of a newly developed suspended H-waveguide based on the mode matching techniques is described. The derived eigenvalue equation for determining the propagation constant of this waveguide structure is very general and can be applied directly to other planar dielectric structures of rectangular cross section. However, for applications where only approximate values of the propagation constants are necessary, a simple effective parameter approximations are employed. Even though the effective parameter approximations do not provide very accurate results for the propagation constants in some cases, they always provide useful information on the whereabouts and the existence of certain modes which, in turn, can be used as the initial values for iterating in the more rigorous mode matching technique. As frequency increases, the values obtained by the effective parameter technique approach those obtained by the mode matching method.","abstract_has_math":false,"creators":["Trinh, Trang Nha"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T19:04:31Z","date_published":"2014-12-15T19:04:31Z","updated_at":"2026-07-22T22:26:00Z","subjects":["Engineering, Electronics and Electrical"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8310019"],"render_values":[{"text":"(UMI)AAI8310019","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/69252","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Trinh, Trang Nha"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T19:04:31Z","10000-01-01","1983"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical 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":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/69252","(UMI)AAI8310019"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In this thesis, the field and propagation characteristics of many dielectric waveguide structures that are of direct importance to the areas of millimeter-wave integrated circuits are studied. A rigorous method of analysis of the propagation constants and the field distributions of a newly developed suspended H-waveguide based on the mode matching techniques is described. The derived eigenvalue equation for determining the propagation constant of this waveguide structure is very general and can be applied directly to other planar dielectric structures of rectangular cross section. However, for applications where only approximate values of the propagation constants are necessary, a simple effective parameter approximations are employed. Even though the effective parameter approximations do not provide very accurate results for the propagation constants in some cases, they always provide useful information on the whereabouts and the existence of certain modes which, in turn, can be used as the initial values for iterating in the more rigorous mode matching technique. As frequency increases, the values obtained by the effective parameter technique approach those obtained by the mode matching method.","The loss characteristics of a suspended H-waveguide are also analyzed. The overall low loss figure of this waveguide structure promises wider applications in the millimeter-wave integrated circuits.","Finally, some essential integrable dielectric components, such as the dielectric resonators and the leaky-wave antennas, are studied. A theoretical formulation of the eigenvalue equation based on the spectral domain approach for determining the complex propagation constants of a slot leaky-wave antenna array constructed from a suspended H-waveguide is presented. A technique for improving the radiation characteristics of an image guide leaky-wave antenna is also described.","Made available in DSpace on 2014-12-15T19:04:31Z (GMT). No. of bitstreams: 1 8310019.pdf: 3411964 bytes, checksum: 9b82382107258f98b1da57ac4e93dd99 (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69418 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","153 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."]},{"key":"dc:title","label":"Title","values":["Analysis of the Suspended H-Waveguide and Other Related Dielectric Waveguide Structures"]}]}],"canonical_facts":{"dc:creator":["Trinh, Trang Nha"],"dc:date":["2014-12-15T19:04:31Z","10000-01-01","1983"],"dc:description":["In this thesis, the field and propagation characteristics of many dielectric waveguide structures that are of direct importance to the areas of millimeter-wave integrated circuits are studied. A rigorous method of analysis of the propagation constants and the field distributions of a newly developed suspended H-waveguide based on the mode matching techniques is described. The derived eigenvalue equation for determining the propagation constant of this waveguide structure is very general and can be applied directly to other planar dielectric structures of rectangular cross section. However, for applications where only approximate values of the propagation constants are necessary, a simple effective parameter approximations are employed. Even though the effective parameter approximations do not provide very accurate results for the propagation constants in some cases, they always provide useful information on the whereabouts and the existence of certain modes which, in turn, can be used as the initial values for iterating in the more rigorous mode matching technique. As frequency increases, the values obtained by the effective parameter technique approach those obtained by the mode matching method.","The loss characteristics of a suspended H-waveguide are also analyzed. The overall low loss figure of this waveguide structure promises wider applications in the millimeter-wave integrated circuits.","Finally, some essential integrable dielectric components, such as the dielectric resonators and the leaky-wave antennas, are studied. A theoretical formulation of the eigenvalue equation based on the spectral domain approach for determining the complex propagation constants of a slot leaky-wave antenna array constructed from a suspended H-waveguide is presented. A technique for improving the radiation characteristics of an image guide leaky-wave antenna is also described.","Made available in DSpace on 2014-12-15T19:04:31Z (GMT). No. of bitstreams: 1 8310019.pdf: 3411964 bytes, checksum: 9b82382107258f98b1da57ac4e93dd99 (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69418 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","153 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."],"dc:identifier":["http://hdl.handle.net/2142/69252","(UMI)AAI8310019"],"dc:subject":["Engineering, Electronics and Electrical"],"dc:title":["Analysis of the Suspended H-Waveguide and Other Related Dielectric Waveguide Structures"],"dc:type":["text"],"thesis:degree_discipline":["Electrical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:00Z"}