{"id":"https://openalex.org/W4391956392","doi":"https://doi.org/10.3390/rs16040722","title":"Research on Methods to Improve Length of Day Precision by Combining with Effective Angular Momentum","display_name":"Research on Methods to Improve Length of Day Precision by Combining with Effective Angular Momentum","publication_year":2024,"publication_date":"2024-02-19","ids":{"openalex":"https://openalex.org/W4391956392","doi":"https://doi.org/10.3390/rs16040722"},"language":"en","primary_location":{"id":"doi:10.3390/rs16040722","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16040722","pdf_url":"https://www.mdpi.com/2072-4292/16/4/722/pdf?version=1708317576","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/2072-4292/16/4/722/pdf?version=1708317576","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084117926","display_name":"Xishun Li","orcid":"https://orcid.org/0009-0008-1845-9115"},"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":"Xishun Li","raw_affiliation_strings":["Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China","Key Laboratory of Time Reference and Applications, 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 Time Reference and Applications, 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":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Key Laboratory of Time Reference and Applications, 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/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":true,"raw_author_name":"Xuhai Yang","raw_affiliation_strings":["Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi\u2019an 710600, China","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","Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time Reference and Applications, 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":"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"]},{"raw_affiliation_string":"Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104246146","display_name":"Renyin Ye","orcid":null},"institutions":[{"id":"https://openalex.org/I31595395","display_name":"Chengdu University of Technology","ror":"https://ror.org/05pejbw21","country_code":"CN","type":"education","lineage":["https://openalex.org/I31595395"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Renyin Ye","raw_affiliation_strings":["School of Engineering and Technology, Chengdu University of Technology, Leshan 614000, China"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Technology, Chengdu University of Technology, Leshan 614000, China","institution_ids":["https://openalex.org/I31595395"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085701568","display_name":"Xuan Cheng","orcid":"https://orcid.org/0000-0002-7382-0240"},"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":"Xuan Cheng","raw_affiliation_strings":["Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","Key Laboratory of Time Reference and Applications, 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 Time Reference and Applications, 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":"Key Laboratory of Time Reference and Applications, 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":"last","author":{"id":"https://openalex.org/A5020219727","display_name":"Shougang Zhang","orcid":"https://orcid.org/0000-0002-4326-0713"},"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":"Shougang Zhang","raw_affiliation_strings":["Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","Key Laboratory of Time Reference and Applications, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time Reference and Applications, 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":"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 Time Reference and Applications, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101752773"],"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":1.3911,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.77287833,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"16","issue":"4","first_page":"722","last_page":"722"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9984999895095825,"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"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.998199999332428,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9977999925613403,"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/momentum","display_name":"Momentum (technical analysis)","score":0.3879217505455017}],"concepts":[{"id":"https://openalex.org/C60718061","wikidata":"https://www.wikidata.org/wiki/Q1414747","display_name":"Momentum (technical analysis)","level":2,"score":0.3879217505455017},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs16040722","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16040722","pdf_url":"https://www.mdpi.com/2072-4292/16/4/722/pdf?version=1708317576","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:e081907b5d8b4e1b8e7898ee76be96b9","is_oa":true,"landing_page_url":"https://doaj.org/article/e081907b5d8b4e1b8e7898ee76be96b9","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 16, Iss 4, p 722 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs16040722","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16040722","pdf_url":"https://www.mdpi.com/2072-4292/16/4/722/pdf?version=1708317576","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/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"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/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/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/G6048975038","display_name":null,"funder_award_id":"2022003","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":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4391956392.pdf"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W1590914762","https://openalex.org/W1725273891","https://openalex.org/W1964938784","https://openalex.org/W1965027198","https://openalex.org/W1969839457","https://openalex.org/W1972182368","https://openalex.org/W1975243787","https://openalex.org/W1992645723","https://openalex.org/W2012227734","https://openalex.org/W2022655816","https://openalex.org/W2022875471","https://openalex.org/W2033098083","https://openalex.org/W2043073378","https://openalex.org/W2054490133","https://openalex.org/W2055952165","https://openalex.org/W2066044259","https://openalex.org/W2069706461","https://openalex.org/W2070010285","https://openalex.org/W2074963893","https://openalex.org/W2081296607","https://openalex.org/W2088753743","https://openalex.org/W2090903801","https://openalex.org/W2096124923","https://openalex.org/W2123220558","https://openalex.org/W2133342616","https://openalex.org/W2221157530","https://openalex.org/W2805666336","https://openalex.org/W2885434589","https://openalex.org/W2888779521","https://openalex.org/W2995936165","https://openalex.org/W2997221431","https://openalex.org/W3047470666","https://openalex.org/W3211527051","https://openalex.org/W4386996740","https://openalex.org/W6643081829","https://openalex.org/W6661381745","https://openalex.org/W6670546015"],"related_works":["https://openalex.org/W4294729575","https://openalex.org/W1605983589","https://openalex.org/W4283817857","https://openalex.org/W2047775704","https://openalex.org/W2131142793","https://openalex.org/W4239086776","https://openalex.org/W2325958285","https://openalex.org/W2010559973","https://openalex.org/W1984624814","https://openalex.org/W4307475143"],"abstract_inverted_index":{"Due":[0],"to":[1,26,38,47,62,72,206],"the":[2,17,54,63,83,92,96,100,110,124,134,159,165,179,187,193,218,223,229,239,245,255,258],"high":[3],"correlation":[4],"between":[5,250],"Effective":[6],"Angular":[7],"Momentum":[8],"(EAM)":[9],"and":[10,16,45,82,99,117,151,198,252],"Length":[11],"of":[12,20,114,178,196,225,232,238,257],"Day":[13],"(LOD)":[14],"data,":[15,81],"wide":[18],"application":[19],"LOD":[21,36,43,64,145,197,241,260],"prediction,":[22],"this":[23,129],"study":[24],"proposes":[25],"combine":[27],"EAM":[28,55,84,118,131,188,199,219,233,246],"data":[29,37,85,90,132,146],"with":[30,200],"Global":[31],"Navigation":[32],"Satellite":[33],"System":[34],"(GNSS)":[35],"obtain":[39],"a":[40,49],"more":[41],"accurate":[42],"series":[44],"attempt":[46],"provide":[48,182],"reasonable":[50,214],"formal":[51,174,201,215,230,242,247],"error":[52,202,216,231,248],"for":[53,138,158,186,217],"dataset.":[56,189],"Firstly,":[57],"tidal":[58],"corrections":[59],"are":[60,86,103,120,156],"applied":[61],"data.":[65],"A":[66],"first-order":[67],"difference":[68],"method":[69],"is":[70,234,249],"proposed":[71],"identify":[73],"outliers":[74],"in":[75],"GNSS":[76,115,240],"LODR":[77,89,116,119],"(tidal":[78],"corrected":[79],"LOD)":[80],"converted":[87],"into":[88],"using":[91,123,213],"Liouville":[93],"equation.":[94],"Then,":[95],"residual":[97,112],"term":[98,102],"fitted":[101,111],"obtained":[104],"by":[105,122,264],"least":[106],"squares":[107],"fitting.":[108],"Finally,":[109,227],"terms":[113],"combined":[121,259],"Kalman":[125,160,166],"combination":[126,161,171,194],"method.":[127],"In":[128,164],"study,":[130],"from":[133,147,204],"German":[135],"Research":[136],"Centre":[137],"Geosciences":[139],"(GFZ)":[140],"(2019\u20132022),":[141],"as":[142,144],"well":[143],"Wuhan":[148],"University":[149],"(WHU)":[150],"Jet":[152],"Propulsion":[153],"Laboratory":[154],"(JPL),":[155],"used":[157],"algorithm":[162],"experiment.":[163],"combination,":[167],"we":[168,191],"consider":[169],"weighted":[170],"based":[172],"on":[173],"error.":[175],"However,":[176],"none":[177],"computing":[180],"centers":[181],"an":[183],"uncertainty":[184],"estimation":[185],"Therefore,":[190],"simulate":[192],"experiment":[195,210],"ranging":[203],"0":[205],"100":[207],"us.":[208],"The":[209],"shows":[211],"that":[212,237],"dataset":[220],"can":[221,261],"improve":[222],"accuracy":[224,256],"LOD.":[226],"when":[228],"2\u20135":[235],"times":[236],"error,":[243],"i.e.,":[244],"10":[251],"30":[253],"us,":[254],"be":[262],"improved":[263],"10\u201320%.":[265]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}