{"id":"https://openalex.org/W3069415270","doi":"https://doi.org/10.1109/tim.2020.3017879","title":"Analysis and Application of Geometric Dilution of Precision Based on Altitude-Assisted INS/SAR Integrated Navigation","display_name":"Analysis and Application of Geometric Dilution of Precision Based on Altitude-Assisted INS/SAR Integrated Navigation","publication_year":2020,"publication_date":"2020-08-19","ids":{"openalex":"https://openalex.org/W3069415270","doi":"https://doi.org/10.1109/tim.2020.3017879","mag":"3069415270"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2020.3017879","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2020.3017879","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"},"type":"article","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/A5035700295","display_name":"Jiazhen Lu","orcid":"https://orcid.org/0000-0003-2391-7906"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiazhen Lu","raw_affiliation_strings":["School of Aeronautics and Astronautics, Central South University, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0003-2391-7906","affiliations":[{"raw_affiliation_string":"School of Aeronautics and Astronautics, Central South University, Changsha, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072680927","display_name":"Lili Ye","orcid":"https://orcid.org/0000-0002-8049-8990"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lili Ye","raw_affiliation_strings":["School of Aeronautics and Astronautics, Central South University, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-8049-8990","affiliations":[{"raw_affiliation_string":"School of Aeronautics and Astronautics, Central South University, Changsha, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101901116","display_name":"Songlai Han","orcid":"https://orcid.org/0000-0001-5868-9777"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Songlai Han","raw_affiliation_strings":["School of Aeronautics and Astronautics, Central South University, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0001-5868-9777","affiliations":[{"raw_affiliation_string":"School of Aeronautics and Astronautics, Central South University, Changsha, China","institution_ids":["https://openalex.org/I139660479"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.263,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.94993644,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"70","issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.9987000226974487,"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":0.9966999888420105,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dilution-of-precision","display_name":"Dilution of precision","score":0.9584470987319946},{"id":"https://openalex.org/keywords/observability","display_name":"Observability","score":0.8601815700531006},{"id":"https://openalex.org/keywords/inertial-navigation-system","display_name":"Inertial navigation system","score":0.7836439609527588},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6346386075019836},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5910918116569519},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5874710083007812},{"id":"https://openalex.org/keywords/navigation-system","display_name":"Navigation system","score":0.5698603391647339},{"id":"https://openalex.org/keywords/altitude","display_name":"Altitude (triangle)","score":0.5105000734329224},{"id":"https://openalex.org/keywords/air-navigation","display_name":"Air navigation","score":0.489018052816391},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.486534982919693},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.41413992643356323},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.3779231011867523},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1569966971874237},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1545974612236023},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.13594374060630798},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.11442801356315613},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1008482277393341}],"concepts":[{"id":"https://openalex.org/C200499919","wikidata":"https://www.wikidata.org/wiki/Q616896","display_name":"Dilution of precision","level":4,"score":0.9584470987319946},{"id":"https://openalex.org/C36299963","wikidata":"https://www.wikidata.org/wiki/Q1369844","display_name":"Observability","level":2,"score":0.8601815700531006},{"id":"https://openalex.org/C128651787","wikidata":"https://www.wikidata.org/wiki/Q570607","display_name":"Inertial navigation system","level":3,"score":0.7836439609527588},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6346386075019836},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5910918116569519},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5874710083007812},{"id":"https://openalex.org/C2777891301","wikidata":"https://www.wikidata.org/wiki/Q3475123","display_name":"Navigation system","level":2,"score":0.5698603391647339},{"id":"https://openalex.org/C6350597","wikidata":"https://www.wikidata.org/wiki/Q339495","display_name":"Altitude (triangle)","level":2,"score":0.5105000734329224},{"id":"https://openalex.org/C504623915","wikidata":"https://www.wikidata.org/wiki/Q1427822","display_name":"Air navigation","level":3,"score":0.489018052816391},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.486534982919693},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.41413992643356323},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3779231011867523},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1569966971874237},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1545974612236023},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.13594374060630798},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.11442801356315613},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1008482277393341},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2020.3017879","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2020.3017879","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8504723464","display_name":null,"funder_award_id":"61703016","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W7489460","https://openalex.org/W1994746046","https://openalex.org/W2004415949","https://openalex.org/W2106616403","https://openalex.org/W2349597558","https://openalex.org/W2533177126","https://openalex.org/W2572402568","https://openalex.org/W2572437567","https://openalex.org/W2802197834","https://openalex.org/W2807958954","https://openalex.org/W2809522890","https://openalex.org/W2810926720","https://openalex.org/W2844003599","https://openalex.org/W2888939925","https://openalex.org/W2899942861","https://openalex.org/W2903786241","https://openalex.org/W2904064246","https://openalex.org/W2913031890","https://openalex.org/W2918563407","https://openalex.org/W2927905861","https://openalex.org/W2942067373","https://openalex.org/W2944105683","https://openalex.org/W2945467887","https://openalex.org/W2963370055","https://openalex.org/W2979623598","https://openalex.org/W2980654351","https://openalex.org/W2989036563","https://openalex.org/W2991390830","https://openalex.org/W2992507519","https://openalex.org/W2996993260","https://openalex.org/W3011297886","https://openalex.org/W3016429140"],"related_works":["https://openalex.org/W2765514429","https://openalex.org/W1940389892","https://openalex.org/W2366369268","https://openalex.org/W2371986717","https://openalex.org/W3141401321","https://openalex.org/W2393713006","https://openalex.org/W2372571941","https://openalex.org/W2355031247","https://openalex.org/W2377925798","https://openalex.org/W2374278771"],"abstract_inverted_index":{"The":[0,91,125],"inertial":[1],"navigation":[2,8,13,29,78,98],"system/synthetic":[3],"aperture":[4],"radar":[5],"(INS/SAR)":[6],"integrated":[7,52],"system":[9,30,99],"can":[10],"provide":[11],"all-weather":[12],"information":[14,25],"both":[15],"day":[16],"and":[17,66,77,122,136],"night.":[18],"Altitude":[19],"is":[20,47,115],"often":[21],"used":[22],"as":[23],"independent":[24],"to":[26],"assist":[27],"the":[28,50,56,59,75,80,85,109,120,130,133,140],"in":[31],"reducing":[32],"vertical":[33],"channel":[34],"errors.":[35],"In":[36,112],"this":[37],"study,":[38],"GPS":[39],"geometric":[40],"dilution":[41],"of":[42,58,63,69,132],"precision":[43],"(GDOP)":[44],"analysis":[45,81,87],"method":[46,88,135],"introduced":[48],"into":[49],"INS/SAR":[51],"navigation.":[53],"By":[54],"comparing":[55],"effects":[57],"presence":[60],"or":[61],"absence":[62],"altitude":[64],"assistance":[65],"different":[67],"distributions":[68],"SAR":[70,101],"measurement":[71,102],"ground":[72,103],"points":[73,104],"on":[74,84,105],"observability":[76,121],"accuracy,":[79],"results":[82,93,128],"based":[83],"GDOP":[86],"are":[89,137],"provided.":[90],"simulation":[92,141],"show":[94],"that":[95],"an":[96],"altitude-assisted":[97],"with":[100,139],"two":[106],"sides":[107],"achieves":[108],"best":[110],"observability.":[111],"addition,":[113],"there":[114],"a":[116],"positive":[117],"correlation":[118],"between":[119],"elevation":[123],"angle.":[124],"flight":[126],"experiment":[127],"verify":[129],"effectiveness":[131],"proposed":[134],"consistent":[138],"results.":[142]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
