{"id":"https://openalex.org/W2964957078","doi":"https://doi.org/10.3390/rs11151819","title":"BDS-3 Time Group Delay and Its Effect on Standard Point Positioning","display_name":"BDS-3 Time Group Delay and Its Effect on Standard Point Positioning","publication_year":2019,"publication_date":"2019-08-03","ids":{"openalex":"https://openalex.org/W2964957078","doi":"https://doi.org/10.3390/rs11151819","mag":"2964957078"},"language":"en","primary_location":{"id":"doi:10.3390/rs11151819","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151819","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1819/pdf?version=1564822796","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/11/15/1819/pdf?version=1564822796","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102669727","display_name":"Peipei Dai","orcid":"https://orcid.org/0009-0006-5592-0746"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peipei Dai","raw_affiliation_strings":["Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","University of Chinese Academy of Sciences, Beijing 100049, China","Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi'an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004315015","display_name":"Yulong Ge","orcid":"https://orcid.org/0000-0001-8988-6212"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yulong Ge","raw_affiliation_strings":["Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","University of Chinese Academy of Sciences, Beijing 100049, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Precise Positioning and Timing Technology, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037574939","display_name":"Weijin Qin","orcid":"https://orcid.org/0000-0003-2883-9281"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijin Qin","raw_affiliation_strings":["National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101752773","display_name":"Xuhai Yang","orcid":"https://orcid.org/0000-0003-2323-059X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuhai Yang","raw_affiliation_strings":["National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5004315015"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210093645","https://openalex.org/I4210165038"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":24.8195,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.99011633,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"11","issue":"15","first_page":"1819","last_page":"1819"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9998999834060669,"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/T10655","display_name":"GNSS positioning and interference","score":0.9998999834060669,"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/T12004","display_name":"Advanced Frequency and Time Standards","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.9894000291824341,"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/beidou-navigation-satellite-system","display_name":"BeiDou Navigation Satellite System","score":0.9022791385650635},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.7468112707138062},{"id":"https://openalex.org/keywords/ephemeris","display_name":"Ephemeris","score":0.6399872303009033},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.6177229881286621},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.6067244410514832},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.5347373485565186},{"id":"https://openalex.org/keywords/root-mean-square","display_name":"Root mean square","score":0.5266297459602356},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.496279776096344},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.41308218240737915},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.36324599385261536},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3431033194065094},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3326793313026428},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3000819683074951},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22965484857559204},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2076239287853241}],"concepts":[{"id":"https://openalex.org/C2777783341","wikidata":"https://www.wikidata.org/wiki/Q857141","display_name":"BeiDou Navigation Satellite System","level":4,"score":0.9022791385650635},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.7468112707138062},{"id":"https://openalex.org/C64828349","wikidata":"https://www.wikidata.org/wiki/Q120200","display_name":"Ephemeris","level":3,"score":0.6399872303009033},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.6177229881286621},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.6067244410514832},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.5347373485565186},{"id":"https://openalex.org/C71907059","wikidata":"https://www.wikidata.org/wiki/Q223323","display_name":"Root mean square","level":2,"score":0.5266297459602356},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.496279776096344},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.41308218240737915},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.36324599385261536},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3431033194065094},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3326793313026428},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3000819683074951},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22965484857559204},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2076239287853241},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs11151819","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151819","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1819/pdf?version=1564822796","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e1097d385dc34a4fb04abc18822d33bb","is_oa":true,"landing_page_url":"https://doaj.org/article/e1097d385dc34a4fb04abc18822d33bb","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 11, Iss 15, p 1819 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/11/15/1819/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs11151819","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs11151819","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151819","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1819/pdf?version=1564822796","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2964957078.pdf","grobid_xml":"https://content.openalex.org/works/W2964957078.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W646967930","https://openalex.org/W1545923740","https://openalex.org/W1971760893","https://openalex.org/W1986964492","https://openalex.org/W1998697053","https://openalex.org/W2022871427","https://openalex.org/W2092013389","https://openalex.org/W2114500068","https://openalex.org/W2148865616","https://openalex.org/W2153105094","https://openalex.org/W2406935452","https://openalex.org/W2596428288","https://openalex.org/W2765256187","https://openalex.org/W2783604745","https://openalex.org/W2793731304","https://openalex.org/W2799580356","https://openalex.org/W2799637196","https://openalex.org/W2800634335","https://openalex.org/W2801083352","https://openalex.org/W2801726037","https://openalex.org/W2801970423","https://openalex.org/W2804971106","https://openalex.org/W2810635330","https://openalex.org/W2823245803","https://openalex.org/W2889108093","https://openalex.org/W2899686296","https://openalex.org/W2947924285","https://openalex.org/W6751068308","https://openalex.org/W6751149613"],"related_works":["https://openalex.org/W2358291797","https://openalex.org/W2884938948","https://openalex.org/W1992624797","https://openalex.org/W2566600454","https://openalex.org/W2388253726","https://openalex.org/W2362783773","https://openalex.org/W3033930008","https://openalex.org/W2353052464","https://openalex.org/W4317795255","https://openalex.org/W4229451083"],"abstract_inverted_index":{"The":[0,13,45,60,171,213,245],"development":[1],"of":[2,32,50,56,92,107,118,129,142,156,179,219,305,317],"the":[3,17,22,30,33,93,115,122,140,143,148,151,158,175,188,201,207,234,242,255,262,271,281,284,293,302,306],"BeiDou":[4,24,35],"navigation":[5,25,36],"system":[6,15,19,26,37,99],"(BDS)":[7],"is":[8,41],"divided":[9],"into":[10],"three":[11],"phases:":[12],"demonstration":[14],"(BDS-1),":[16],"regional":[18],"(BDS-2)":[20],"and":[21,48,58,69,82,97,103,120,131,162,165,190,193,204,221,237,252,257,261,273,292],"global":[23,34],"(BDS-3).":[27],"At":[28],"present,":[29],"construction":[31],"(BDS-3)":[38],"constellation":[39,311],"network":[40],"progressing":[42],"very":[43],"smoothly.":[44],"signal":[46],"design":[47],"functionality":[49],"BDS-3":[51,61,132,163,224,309],"are":[52,133],"different":[53],"from":[54,160,223,288],"those":[55],"BDS-1":[57],"BDS-2.":[59],"satellite":[62],"not":[63],"only":[64],"broadcasts":[65,76],"B1I":[66,176,220],"(1561.098":[67],"MHz)":[68,72,81],"B3I":[70],"(1268.52":[71],"signals":[73,78,159],"but":[74],"also":[75],"new":[77],"B1C":[79,222],"(1575.42":[80],"B2a":[83],"(1176.45":[84],"MHz).":[85],"In":[86],"this":[87],"work,":[88],"six":[89],"tracking":[90],"stations":[91],"international":[94],"GNSS":[95],"monitoring":[96],"assessment":[98],"(iGMAS)":[100],"were":[101,110,195],"selected,":[102],"41":[104],"consecutive":[105],"days":[106],"observation":[108],"data,":[109],"collected.":[111],"To":[112,137],"fully":[113],"exploit":[114],"code":[116],"observations":[117],"BDS-2":[119,130,161,180,307,318],"BDS-3,":[121],"time":[123],"group":[124],"delay":[125],"(TGD)":[126],"correction":[127,168,227],"model":[128],"described":[134],"in":[135,147,186,200,206,233,241,254,283],"detail.":[136],"further":[138],"verify":[139],"efficacy":[141],"broadcast":[144,149],"TGD":[145,167,211,226,279],"parameters":[146],"ephemeris,":[150],"standard":[152],"point":[153],"positioning":[154,276,303],"(SPP)":[155],"all":[157],"with":[164,210,225,278],"without":[166],"was":[169,181,228,248,265,296,312],"studied.":[170],"experiments":[172],"showed":[173],"that":[174,316],"SPP":[177,247],"accuracy":[178,277,304],"increased":[182,249,266],"by":[183,197,230,238,250,267,298],"approximately":[184,198,231,239,268,299],"50%":[185,240],"both":[187],"horizontal":[189,202,235,285],"vertical":[191,208,243,294],"components,":[192,259],"B1I/B3I":[194,272],"improved":[196,297],"70%":[199],"component":[203,209,236,264,286,295],"47.4%":[205],"correction.":[212],"root":[214],"mean":[215],"square":[216],"(RMS)":[217],"value":[218],"enhanced":[229],"60%\u201370%":[232],"component.":[244],"B2a-based":[246],"60.2%":[251],"64.4%":[253],"east":[256],"north":[258],"respectively,":[260],"up":[263],"19.8%.":[269],"For":[270],"B1C/B2a":[274],"dual-frequency":[275],"correction,":[280],"improvement":[282],"ranges":[287],"62.1%":[289],"to":[290],"75.0%,":[291],"45%.":[300],"Furthermore,":[301],"+":[308],"combination":[310],"obviously":[313],"higher":[314],"than":[315],"or":[319],"BDS-3.":[320]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":2}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}