{"id":"https://openalex.org/W4313327085","doi":"https://doi.org/10.3390/rs15010133","title":"Real-Time LEO Satellite Orbits Based on Batch Least-Squares Orbit Determination with Short-Term Orbit Prediction","display_name":"Real-Time LEO Satellite Orbits Based on Batch Least-Squares Orbit Determination with Short-Term Orbit Prediction","publication_year":2022,"publication_date":"2022-12-26","ids":{"openalex":"https://openalex.org/W4313327085","doi":"https://doi.org/10.3390/rs15010133"},"language":"en","primary_location":{"id":"doi:10.3390/rs15010133","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15010133","pdf_url":"https://www.mdpi.com/2072-4292/15/1/133/pdf?version=1672238008","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/2072-4292/15/1/133/pdf?version=1672238008","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100403704","display_name":"Kan Wang","orcid":"https://orcid.org/0000-0001-5688-6937"},"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":"Kan Wang","raw_affiliation_strings":["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"],"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":"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"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100320759","display_name":"Jiawei Liu","orcid":"https://orcid.org/0000-0003-4011-3950"},"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":"Jiawei Liu","raw_affiliation_strings":["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"],"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":"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"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079053337","display_name":"Hang Su","orcid":"https://orcid.org/0000-0003-3975-9658"},"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":"Hang Su","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":"middle","author":{"id":"https://openalex.org/A5065170783","display_name":"Ahmed El\u2010Mowafy","orcid":"https://orcid.org/0000-0001-7060-4123"},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ahmed El-Mowafy","raw_affiliation_strings":["School of Earth and Planetary Sciences, Curtin University, Perth, WA 6845, Australia"],"affiliations":[{"raw_affiliation_string":"School of Earth and Planetary Sciences, Curtin University, Perth, WA 6845, Australia","institution_ids":["https://openalex.org/I205640436"]}]},{"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","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":"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":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100403704"],"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":19.755,"has_fulltext":true,"cited_by_count":33,"citation_normalized_percentile":{"value":0.99041976,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"15","issue":"1","first_page":"133","last_page":"133"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":1.0,"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":1.0,"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":0.9994999766349792,"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/orbit-determination","display_name":"Orbit determination","score":0.7586554288864136},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6873181462287903},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6485545635223389},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.5618696808815002},{"id":"https://openalex.org/keywords/ground-track","display_name":"Ground track","score":0.5578020215034485},{"id":"https://openalex.org/keywords/ephemeris","display_name":"Ephemeris","score":0.5565704703330994},{"id":"https://openalex.org/keywords/orbit","display_name":"Orbit (dynamics)","score":0.5493513941764832},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.5165532827377319},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.4895385205745697},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.4879762530326843},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.4822190999984741},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.43694132566452026},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.39804330468177795},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3874417841434479},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3473959267139435},{"id":"https://openalex.org/keywords/geostationary-orbit","display_name":"Geostationary orbit","score":0.28016114234924316},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.16778811812400818},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.13374412059783936},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11758348345756531},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07225671410560608},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06923529505729675}],"concepts":[{"id":"https://openalex.org/C107768556","wikidata":"https://www.wikidata.org/wiki/Q302660","display_name":"Orbit determination","level":3,"score":0.7586554288864136},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6873181462287903},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6485545635223389},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.5618696808815002},{"id":"https://openalex.org/C189069379","wikidata":"https://www.wikidata.org/wiki/Q218124","display_name":"Ground track","level":4,"score":0.5578020215034485},{"id":"https://openalex.org/C64828349","wikidata":"https://www.wikidata.org/wiki/Q120200","display_name":"Ephemeris","level":3,"score":0.5565704703330994},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.5493513941764832},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.5165532827377319},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.4895385205745697},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.4879762530326843},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.4822190999984741},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.43694132566452026},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.39804330468177795},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3874417841434479},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3473959267139435},{"id":"https://openalex.org/C16405173","wikidata":"https://www.wikidata.org/wiki/Q192316","display_name":"Geostationary orbit","level":3,"score":0.28016114234924316},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.16778811812400818},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.13374412059783936},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11758348345756531},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07225671410560608},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06923529505729675}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs15010133","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15010133","pdf_url":"https://www.mdpi.com/2072-4292/15/1/133/pdf?version=1672238008","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:espace.curtin.edu.au:20.500.11937/93507","is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11937/93507","pdf_url":"https://espace.curtin.edu.au/bitstream/20.500.11937/93507/2/93331.pdf","source":{"id":"https://openalex.org/S4306401790","display_name":"eSpace (Curtin University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205640436","host_organization_name":"Curtin University","host_organization_lineage":["https://openalex.org/I205640436"],"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":null,"raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:fea2478bcb114adfadbe5efc57f86f76","is_oa":true,"landing_page_url":"https://doaj.org/article/fea2478bcb114adfadbe5efc57f86f76","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 15, Iss 1, p 133 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/15/1/133/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs15010133","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; Volume 15; Issue 1; Pages: 133","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs15010133","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15010133","pdf_url":"https://www.mdpi.com/2072-4292/15/1/133/pdf?version=1672238008","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":[{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3374166644","display_name":null,"funder_award_id":"E167SC14","funder_id":"https://openalex.org/F4320336271","funder_display_name":"National Time Service Center, Chinese Academy of Sciences"},{"id":"https://openalex.org/G3761805890","display_name":null,"funder_award_id":"12203059","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4651925594","display_name":null,"funder_award_id":"12073034","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6258415954","display_name":null,"funder_award_id":"Chinese","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6382465803","display_name":null,"funder_award_id":"12203059","funder_id":"https://openalex.org/F4320336271","funder_display_name":"National Time Service Center, Chinese Academy of Sciences"},{"id":"https://openalex.org/G7526364403","display_name":null,"funder_award_id":"E167SC14","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"id":"https://openalex.org/G8481503216","display_name":null,"funder_award_id":"12073034","funder_id":"https://openalex.org/F4320336271","funder_display_name":"National Time Service Center, Chinese Academy of Sciences"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320336271","display_name":"National Time Service Center, Chinese Academy of Sciences","ror":"https://ror.org/00655qp86"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4313327085.pdf","grobid_xml":"https://content.openalex.org/works/W4313327085.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W149251729","https://openalex.org/W2001156360","https://openalex.org/W2006749283","https://openalex.org/W2022102820","https://openalex.org/W2045989154","https://openalex.org/W2185926373","https://openalex.org/W2601962404","https://openalex.org/W2736172310","https://openalex.org/W2791565799","https://openalex.org/W2809006737","https://openalex.org/W2810753555","https://openalex.org/W2892301584","https://openalex.org/W3033440245","https://openalex.org/W3040381892","https://openalex.org/W3118324795","https://openalex.org/W3136400340","https://openalex.org/W4200528635","https://openalex.org/W4206365392","https://openalex.org/W4220679013","https://openalex.org/W4242108514","https://openalex.org/W4292544888","https://openalex.org/W4317418698","https://openalex.org/W4320911895","https://openalex.org/W6677643577"],"related_works":["https://openalex.org/W2358291797","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/W4377099179","https://openalex.org/W1967554369","https://openalex.org/W2049596291"],"abstract_inverted_index":{"The":[0,249,267],"augmentation":[1],"of":[2,30,205,215,217,307,339],"the":[3,23,27,40,58,68,87,116,120,146,155,176,187,218,246,260,264,275,329,337,343,348,351,362],"Global":[4],"Navigation":[5],"Satellite":[6],"System":[7],"(GNSS)":[8],"by":[9,134],"Low":[10],"Earth":[11],"Orbit":[12,191],"(LEO)":[13],"satellites":[14,38,43],"is":[15,316],"proposed":[16],"as":[17,36,102],"an":[18,199,312],"effective":[19],"method":[20],"to":[21,45,76,115,233,240,245,255,273,288,295,336],"improve":[22],"precision":[24],"and":[25,65,89,159,182,263,318,342],"shorten":[26],"convergence":[28],"time":[29,170],"Precise":[31,190],"Point":[32],"Positioning":[33],"(PPP).":[34],"Serving":[35],"navigation":[37],"in":[39,52,85,100,361],"future,":[41],"LEO":[42,61,121,148,162,281],"need":[44],"be":[46,132,256],"provided":[47,310],"with":[48,198,259,347],"their":[49],"high-accuracy":[50,59,69],"orbits":[51,80,99,150],"real-time.":[53],"This":[54],"would":[55],"potentially":[56],"enable":[57],"real-time":[60,79,142,147,210,247,303],"satellite":[62,122,144,149,181],"clock":[63],"determination,":[64],"eventually":[66],"facilitate":[67],"ground-based":[70],"positioning.":[71],"Studies":[72],"have":[73],"been":[74],"performed":[75,227],"achieve":[77],"such":[78],"using":[81,141,208,367],"a":[82,279,289,301,325,358],"Kalman":[83,117],"filter":[84],"both":[86],"kinematic":[88],"reduced-dynamic":[90],"modes.":[91],"Batch":[92],"Least-Squares":[93],"(BLS)":[94],"adjustment":[95,158],"delivers":[96],"more":[97],"stable":[98],"near-real-time,":[101],"it":[103,109],"performs":[104],"better":[105],"phase":[106],"screening.":[107],"However,":[108],"suffers":[110],"from":[111,175,237],"longer":[112],"delays":[113,216],"compared":[114],"filter.":[118],"With":[119],"orbit":[123,136],"prediction":[124,169,235,251,265,276,290,314,349],"strategies":[125],"improved":[126],"over":[127],"time,":[128],"this":[129,139],"latency":[130],"can":[131,299],"bridged":[133],"short-term":[135,160],"prediction.":[137,161],"In":[138],"study,":[140],"GNSS":[143,211,320],"products,":[145],"are":[151,165,222,253,322,333],"obtained":[152],"based":[153,224],"on":[154,225,228],"batch":[156],"least-squares":[157],"ephemeris":[163,330,340,352,369],"parameters":[164,341],"generated":[166],"within":[167],"specific":[168],"windows.":[171],"Using":[172],"real":[173],"data":[174],"500":[177],"km":[178,184],"GRACE":[179],"C":[180],"810":[183],"Sentinel-3B":[185],"satellite,":[186],"near-real-time":[188],"BLS":[189,219],"Determination":[192],"(POD)":[193],"results":[194],"exhibit":[195],"good":[196],"accuracy":[197],"Orbital":[200],"User":[201],"Range":[202],"Error":[203],"(OURE)":[204],"2\u20134":[206],"cm":[207],"different":[209,229],"products.":[212],"A":[213],"range":[214],"POD":[220],"processes":[221],"assumed,":[223],"tests":[226],"processing":[230,285],"machines,":[231],"leading":[232,287],"various":[234],"windows,":[236],"3\u20138":[238],"min":[239,242],"12\u201317":[241],"that":[243,311],"correspond":[244],"usage.":[248],"orbital":[250,261,304,344],"errors":[252,277,332,354],"shown":[254],"highly":[257],"correlated":[258],"height":[262],"time.":[266],"computational":[268],"efficiency":[269],"thus":[270],"becomes":[271],"essential":[272],"reduce":[274],"for":[278],"certain":[280],"satellite.":[282],"For":[283,324],"advanced":[284],"units":[286],"window":[291],"shorter":[292],"or":[293],"equal":[294],"6\u201311":[296],"min,":[297],"one":[298],"expect":[300],"total":[302,363],"error":[305,364],"budget":[306,365],"3\u20135":[308],"cm,":[309],"appropriate":[313],"strategy":[315],"applied":[317],"high-quality":[319],"products":[321],"used.":[323],"given":[326],"fitting":[327,331,353],"interval,":[328],"generally":[334],"related":[335],"number":[338],"height.":[345],"Compared":[346],"errors,":[350],"do":[355],"not":[356],"play":[357],"significant":[359],"role":[360],"when":[366],"22":[368],"parameters.":[370]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":5}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2023-01-06T00:00:00"}
