{"id":"https://openalex.org/W2122076003","doi":"https://doi.org/10.1109/naecon.1995.522019","title":"A transformation of unit vectors to simplify derivations between Earth-centered and local North-East-and-up on an ellipsoid Earth","display_name":"A transformation of unit vectors to simplify derivations between Earth-centered and local North-East-and-up on an ellipsoid Earth","publication_year":2002,"publication_date":"2002-11-19","ids":{"openalex":"https://openalex.org/W2122076003","doi":"https://doi.org/10.1109/naecon.1995.522019","mag":"2122076003"},"language":"en","primary_location":{"id":"doi:10.1109/naecon.1995.522019","doi":"https://doi.org/10.1109/naecon.1995.522019","is_oa":false,"landing_page_url":"https://doi.org/10.1109/naecon.1995.522019","pdf_url":null,"source":{"id":"https://openalex.org/S7407085958","display_name":"IEEE National Aerospace and Electronics Conference (NAECON)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the IEEE 1995 National Aerospace and Electronics Conference. NAECON 1995","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018917061","display_name":"J.J. Sudano","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4388891831","display_name":"Martin Marietta (United States)","ror":"https://ror.org/01cm9aw18","country_code":"US","type":"company","lineage":["https://openalex.org/I1287521167","https://openalex.org/I4388891831"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"J.J. Sudano","raw_affiliation_strings":["Gov. Electron. Syst., Martin Marietta Electron. Syst., Moorestown, NJ, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gov. Electron. Syst., Martin Marietta Electron. Syst., Moorestown, NJ, USA","institution_ids":["https://openalex.org/I4388891831"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5018917061"],"corresponding_institution_ids":["https://openalex.org/I4388891831"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":95},"biblio":{"volume":"2","issue":null,"first_page":"745","last_page":"747"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13854","display_name":"Historical Geography and Cartography","score":0.9628999829292297,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13854","display_name":"Historical Geography and Cartography","score":0.9628999829292297,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.010900000110268593,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.006099999882280827,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coordinate-transformation","display_name":"coordinate transformation","score":0.6460000276565552},{"id":"https://openalex.org/keywords/sensor-platforms","display_name":"sensor platforms","score":0.621999979019165}],"concepts":[{"id":"https://openalex.org/C16038011","wikidata":"https://www.wikidata.org/wiki/Q62912","display_name":"Cartesian coordinate system","level":2,"score":0.8019227981567383},{"id":"https://openalex.org/C123046963","wikidata":"https://www.wikidata.org/wiki/Q22664","display_name":"Geographic coordinate system","level":2,"score":0.7767450213432312},{"id":"https://openalex.org/C57489055","wikidata":"https://www.wikidata.org/wiki/Q190046","display_name":"Ellipsoid","level":2,"score":0.7123789191246033},{"id":"https://openalex.org/C2780554747","wikidata":"https://www.wikidata.org/wiki/Q36477","display_name":"Longitude","level":3,"score":0.7000221610069275},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.6709244251251221},{"id":"https://openalex.org/C84316537","wikidata":"https://www.wikidata.org/wiki/Q36255","display_name":"Unit vector","level":2,"score":0.6075451374053955},{"id":"https://openalex.org/C122523270","wikidata":"https://www.wikidata.org/wiki/Q34027","display_name":"Latitude","level":2,"score":0.6052698493003845},{"id":"https://openalex.org/C80551277","wikidata":"https://www.wikidata.org/wiki/Q11210","display_name":"Coordinate system","level":2,"score":0.5960178375244141},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.5697464942932129},{"id":"https://openalex.org/C122224866","wikidata":"https://www.wikidata.org/wiki/Q437882","display_name":"Figure of the Earth","level":2,"score":0.5509034991264343},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.507705569267273},{"id":"https://openalex.org/C6350597","wikidata":"https://www.wikidata.org/wiki/Q339495","display_name":"Altitude (triangle)","level":2,"score":0.4458061456680298},{"id":"https://openalex.org/C126990412","wikidata":"https://www.wikidata.org/wiki/Q203218","display_name":"Spherical coordinate system","level":2,"score":0.4225628077983856},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.4020642042160034},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30508458614349365},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/naecon.1995.522019","doi":"https://doi.org/10.1109/naecon.1995.522019","is_oa":false,"landing_page_url":"https://doi.org/10.1109/naecon.1995.522019","pdf_url":null,"source":{"id":"https://openalex.org/S7407085958","display_name":"IEEE National Aerospace and Electronics Conference (NAECON)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the IEEE 1995 National Aerospace and Electronics Conference. NAECON 1995","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2091516548","https://openalex.org/W7124167931","https://openalex.org/W845689836","https://openalex.org/W2136819976","https://openalex.org/W2037196480","https://openalex.org/W2019289554","https://openalex.org/W4409489292","https://openalex.org/W7018395951","https://openalex.org/W2008139823","https://openalex.org/W4383262452"],"abstract_inverted_index":{"A":[0],"transformation":[1,37],"of":[2,35],"unit":[3,26],"vectors":[4],"between":[5],"Cartesian":[6,50,63],"earth":[7],"centered":[8],"and":[9,13],"local":[10,49,62],"north,":[11],"east,":[12],"up":[14],"coordinates":[15,51,64],"is":[16,74],"presented":[17],"to":[18,31,55,76],"simplify":[19,32],"derivations":[20],"on":[21],"an":[22,29],"ellipsoid":[23],"Earth.":[24],"The":[25],"vector":[27],"relationships":[28],"used":[30],"the":[33],"derivation":[34],"a":[36,43,56],"for":[38,70],"sending":[39],"track":[40],"files":[41],"from":[42],"sensor":[44],"platform":[45,58],"(latitude,":[46],"longitude)":[47],"with":[48,61],"(Xs-East,":[52],"Ys-North,":[53],"Zs-Up)":[54],"receiving":[57],"(latitude',":[59],"longitude')":[60],"(Xr-East,":[65],"Yr-North,":[66],"Zr-Up).":[67],"Zero":[68],"altitude":[69],"both":[71],"coordinate":[72],"systems":[73],"taken":[75],"be":[77,82],"sea":[78],"level.":[79],"Tracks":[80],"may":[81],"ballistic,":[83],"air,":[84],"surface":[85],"and/or":[86],"subsurface.":[87]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2016-06-24T00:00:00"}
