{"id":{"repo_id":"nps","oai_identifier":"oai:calhoun.nps.edu:10945/22007"},"canonical_url":"https://search.dev.ndltd.org/etd/nps/oai:calhoun.nps.edu:10945/22007","repository":{"repo_id":"nps","name":"Naval Postgraduate School","base_url":"https://calhoun.nps.edu/server/oai/request"},"display":{"title":"Numerical models of new HF shipboard communication antenna systems for improved survivability","abstract":"There are many shipboard communication antenna problems where the number, type, location, or survivability of a given antenna in the system is a parameter which can be varied to determine the overall optimal system. This thesis investigates computer numerical models f or improving the time that an HF shipboard combat survivable antenna system can endure in a given environment. The future generation of ships will have low profile combat survivable antennas; an interim solution for present ships is the elimination of fragile HF antennas by exciting existing masts. The antenna is modeled as a mast with dimensions 24 x 3 x 3 meters. Several computer models of the driven antenna are modeled using the Numerical Electromagnetic Code (NEC). Input impedances and radiation patterns of the antenna are presented.","abstract_html":"There are many shipboard communication antenna problems where the number, type, location, or survivability of a given antenna in the system is a parameter which can be varied to determine the overall optimal system. This thesis investigates computer numerical models f or improving the time that an HF shipboard combat survivable antenna system can endure in a given environment. The future generation of ships will have low profile combat survivable antennas; an interim solution for present ships is the elimination of fragile HF antennas by exciting existing masts. The antenna is modeled as a mast with dimensions 24 x 3 x 3 meters. Several computer models of the driven antenna are modeled using the Numerical Electromagnetic Code (NEC). Input impedances and radiation patterns of the antenna are presented.","abstract_has_math":false,"creators":["Lyberopoulos, George L."],"institution":"Monterey, California: U.S. Naval Postgraduate School","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Electrical and Computer Engineering","school":null,"contributors":[],"advisors":["Adler, Richard W."],"committee_chairs":[],"committee_members":[],"year":1986,"date_issued":"1986-06","date_published":"1986-06","updated_at":"2026-07-27T20:27:01Z","subjects":[],"languages":["en_US"],"rights":["Copyright is reserved by the copyright owner"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10945/22007","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Adler, Richard W."]},{"key":"dc:contributor.department","label":"Department","values":["Electrical and Computer Engineering"]},{"key":"dc:creator","label":"Author","values":["Lyberopoulos, George L."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["June 1986"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2012-11-27T00:17:39Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2012-11-27T00:17:39Z"]},{"key":"dc:date.issued","label":"Date","values":["1986-06"]},{"key":"dc:publisher","label":"Institution","values":["Monterey, California: U.S. Naval Postgraduate School"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright is reserved by the copyright owner"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10945/22007"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["There are many shipboard communication antenna problems where the number, type, location, or survivability of a given antenna in the system is a parameter which can be varied to determine the overall optimal system. This thesis investigates computer numerical models f or improving the time that an HF shipboard combat survivable antenna system can endure in a given environment. The future generation of ships will have low profile combat survivable antennas; an interim solution for present ships is the elimination of fragile HF antennas by exciting existing masts. The antenna is modeled as a mast with dimensions 24 x 3 x 3 meters. Several computer models of the driven antenna are modeled using the Numerical Electromagnetic Code (NEC). Input impedances and radiation patterns of the antenna are presented."]},{"key":"dc:title","label":"Title","values":["Numerical models of new HF shipboard communication antenna systems for improved survivability"]}]}],"canonical_facts":{"dc:contributor.advisor":["Adler, Richard W."],"dc:contributor.department":["Electrical and Computer Engineering"],"dc:creator":["Lyberopoulos, George L."],"dc:date":["June 1986"],"dc:date.accessioned":["2012-11-27T00:17:39Z"],"dc:date.available":["2012-11-27T00:17:39Z"],"dc:date.issued":["1986-06"],"dc:description.abstract":["There are many shipboard communication antenna problems where the number, type, location, or survivability of a given antenna in the system is a parameter which can be varied to determine the overall optimal system. This thesis investigates computer numerical models f or improving the time that an HF shipboard combat survivable antenna system can endure in a given environment. The future generation of ships will have low profile combat survivable antennas; an interim solution for present ships is the elimination of fragile HF antennas by exciting existing masts. The antenna is modeled as a mast with dimensions 24 x 3 x 3 meters. Several computer models of the driven antenna are modeled using the Numerical Electromagnetic Code (NEC). Input impedances and radiation patterns of the antenna are presented."],"dc:identifier.uri":["https://hdl.handle.net/10945/22007"],"dc:language.iso":["en_US"],"dc:publisher":["Monterey, California: U.S. Naval Postgraduate School"],"dc:rights":["Copyright is reserved by the copyright owner"],"dc:title":["Numerical models of new HF shipboard communication antenna systems for improved survivability"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:27:01Z"}