{"id":"https://openalex.org/W2991574149","doi":"https://doi.org/10.3390/rs11232815","title":"Real-Time Kinematic Precise Orbit Determination for LEO Satellites Using Zero-Differenced Ambiguity Resolution","display_name":"Real-Time Kinematic Precise Orbit Determination for LEO Satellites Using Zero-Differenced Ambiguity Resolution","publication_year":2019,"publication_date":"2019-11-27","ids":{"openalex":"https://openalex.org/W2991574149","doi":"https://doi.org/10.3390/rs11232815","mag":"2991574149"},"language":"en","primary_location":{"id":"doi:10.3390/rs11232815","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11232815","pdf_url":"https://www.mdpi.com/2072-4292/11/23/2815/pdf?version=1575258619","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/2072-4292/11/23/2815/pdf?version=1575258619","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100661809","display_name":"Xingxing Li","orcid":"https://orcid.org/0000-0002-0283-4151"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xingxing Li","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027893927","display_name":"Jiaqi Wu","orcid":"https://orcid.org/0000-0002-8914-1912"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaqi Wu","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100781976","display_name":"Keke Zhang","orcid":"https://orcid.org/0000-0001-5891-6554"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Keke Zhang","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101967530","display_name":"Xin Li","orcid":"https://orcid.org/0000-0002-8169-6059"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103008919","display_name":"Yun Xiong","orcid":"https://orcid.org/0000-0001-9164-9179"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yun Xiong","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034345592","display_name":"Qian Zhang","orcid":"https://orcid.org/0000-0001-6452-1153"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Zhang","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100661809"],"corresponding_institution_ids":["https://openalex.org/I37461747"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":4.7604,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.94563224,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"23","first_page":"2815","last_page":"2815"},"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9975000023841858,"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/T12004","display_name":"Advanced Frequency and Time Standards","score":0.996999979019165,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ambiguity-resolution","display_name":"Ambiguity resolution","score":0.839500904083252},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.6544915437698364},{"id":"https://openalex.org/keywords/epoch","display_name":"Epoch (astronomy)","score":0.6448670029640198},{"id":"https://openalex.org/keywords/real-time-kinematic","display_name":"Real Time Kinematic","score":0.6121448278427124},{"id":"https://openalex.org/keywords/orbit-determination","display_name":"Orbit determination","score":0.5842387676239014},{"id":"https://openalex.org/keywords/orbit","display_name":"Orbit (dynamics)","score":0.5549024939537048},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5380051136016846},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.5049324631690979},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.47475889325141907},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46741342544555664},{"id":"https://openalex.org/keywords/float","display_name":"Float (project management)","score":0.46197310090065},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.46187782287597656},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.4516999125480652},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.396393746137619},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3489941358566284},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.30262792110443115},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.29877161979675293},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.14403122663497925},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10805568099021912},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10042238235473633},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.07670962810516357},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.07583284378051758}],"concepts":[{"id":"https://openalex.org/C2777559092","wikidata":"https://www.wikidata.org/wiki/Q4741445","display_name":"Ambiguity resolution","level":4,"score":0.839500904083252},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.6544915437698364},{"id":"https://openalex.org/C2780317896","wikidata":"https://www.wikidata.org/wiki/Q2703","display_name":"Epoch (astronomy)","level":3,"score":0.6448670029640198},{"id":"https://openalex.org/C93103318","wikidata":"https://www.wikidata.org/wiki/Q980965","display_name":"Real Time Kinematic","level":4,"score":0.6121448278427124},{"id":"https://openalex.org/C107768556","wikidata":"https://www.wikidata.org/wiki/Q302660","display_name":"Orbit determination","level":3,"score":0.5842387676239014},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.5549024939537048},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5380051136016846},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.5049324631690979},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.47475889325141907},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46741342544555664},{"id":"https://openalex.org/C2780337265","wikidata":"https://www.wikidata.org/wiki/Q185958","display_name":"Float (project management)","level":2,"score":0.46197310090065},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.46187782287597656},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.4516999125480652},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.396393746137619},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3489941358566284},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.30262792110443115},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.29877161979675293},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.14403122663497925},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10805568099021912},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10042238235473633},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.07670962810516357},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.07583284378051758},{"id":"https://openalex.org/C199104240","wikidata":"https://www.wikidata.org/wiki/Q118291","display_name":"Marine engineering","level":1,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs11232815","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11232815","pdf_url":"https://www.mdpi.com/2072-4292/11/23/2815/pdf?version=1575258619","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:mdpi.com:/2072-4292/11/23/2815/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs11232815","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 11; Issue 23; Pages: 2815","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs11232815","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11232815","pdf_url":"https://www.mdpi.com/2072-4292/11/23/2815/pdf?version=1575258619","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2991574149.pdf","grobid_xml":"https://content.openalex.org/works/W2991574149.grobid-xml"},"referenced_works_count":52,"referenced_works":["https://openalex.org/W631873320","https://openalex.org/W1035539822","https://openalex.org/W1543240282","https://openalex.org/W1602731610","https://openalex.org/W1959140381","https://openalex.org/W1970106276","https://openalex.org/W1982853892","https://openalex.org/W1990939458","https://openalex.org/W2003342124","https://openalex.org/W2006749283","https://openalex.org/W2012336763","https://openalex.org/W2013115243","https://openalex.org/W2015987925","https://openalex.org/W2035474678","https://openalex.org/W2042939969","https://openalex.org/W2049364269","https://openalex.org/W2060209312","https://openalex.org/W2065404095","https://openalex.org/W2075026732","https://openalex.org/W2078483536","https://openalex.org/W2087076405","https://openalex.org/W2091247042","https://openalex.org/W2094280389","https://openalex.org/W2094529703","https://openalex.org/W2102582910","https://openalex.org/W2113257274","https://openalex.org/W2120653142","https://openalex.org/W2121167209","https://openalex.org/W2155707654","https://openalex.org/W2175493455","https://openalex.org/W2191678300","https://openalex.org/W2199758187","https://openalex.org/W2200365506","https://openalex.org/W2604227879","https://openalex.org/W2609725555","https://openalex.org/W2765551870","https://openalex.org/W2770280028","https://openalex.org/W2794510868","https://openalex.org/W2797286980","https://openalex.org/W2800260730","https://openalex.org/W2801021982","https://openalex.org/W2807895293","https://openalex.org/W2889443389","https://openalex.org/W2889523564","https://openalex.org/W2892301584","https://openalex.org/W2959822312","https://openalex.org/W2963506216","https://openalex.org/W2967619485","https://openalex.org/W3197322771","https://openalex.org/W4240109574","https://openalex.org/W6675448856","https://openalex.org/W6801027599"],"related_works":["https://openalex.org/W2057308217","https://openalex.org/W4237116143","https://openalex.org/W2378836202","https://openalex.org/W2081135138","https://openalex.org/W2354446557","https://openalex.org/W1980487656","https://openalex.org/W348225502","https://openalex.org/W2789714114","https://openalex.org/W2177715633","https://openalex.org/W2056959155"],"abstract_inverted_index":{"The":[0,145,231],"rapid":[1],"growing":[2],"number":[3],"of":[4,48,90,177,228,246,257,270,279],"earth":[5],"observation":[6],"missions":[7],"and":[8,25,103,110,133,141,154,187,217,248,252],"commercial":[9],"low-earth-orbit":[10],"(LEO)":[11],"constellation":[12],"plans":[13],"have":[14],"provided":[15],"a":[16,71,123],"strong":[17],"motivation":[18],"to":[19,35,74,167,212,220,298],"get":[20],"accurate":[21],"LEO":[22,40,82,178],"satellite":[23,188],"position":[24],"velocity":[26],"information":[27],"in":[28,301],"real":[29],"time.":[30],"This":[31],"paper":[32],"is":[33,286],"devoted":[34],"improve":[36],"the":[37,44,58,61,76,86,88,111,120,165,175,180,197,200,226,242,262,267,280,283,288],"real-time":[38,62,112,124],"kinematic":[39,125],"orbits":[41,114,186],"through":[42],"fixing":[43,147,290],"zero-differenced":[45],"(ZD)":[46],"ambiguities":[47,89,159,293],"onboard":[49,91],"Global":[50],"Navigation":[51],"Satellite":[52],"System":[53],"(GNSS)":[54],"phase":[55,64,94,268],"observations.":[56],"In":[57,265],"proposed":[59,121],"method,":[60,122],"uncalibrated":[63],"delays":[65],"(UPDs)":[66],"are":[67,107,115,193,250,273],"estimated":[68],"epoch-by-epoch":[69,109],"via":[70],"global-distributed":[72],"network":[73],"support":[75],"ZD":[77,92,158,229],"ambiguity":[78,146,289],"resolution":[79],"(AR)":[80],"for":[81,130,151,215,223,238],"satellites.":[83],"By":[84],"separating":[85],"UPDs,":[87],"GPS":[93],"measurements":[95],"recover":[96],"their":[97],"integer":[98,292],"nature.":[99],"Then,":[100],"wide-lane":[101],"(WL)":[102],"narrow-lane":[104],"(NL)":[105],"AR":[106],"performed":[108],"ambiguity\u2013fixed":[113,140,240,271],"thus":[116],"obtained.":[117],"To":[118],"validate":[119],"precise":[126],"orbit":[127,202],"determination":[128],"(POD),":[129],"both":[131,152],"Sentinel-3A":[132,153,247],"Swarm-A":[134,224,249],"satellites,":[135],"was":[136],"carried":[137],"out":[138],"with":[139,164,182,196,225,255,261],"ambiguity\u2013float":[142,198,263,281],"solutions,":[143],"respectively.":[144],"results":[148],"indicate":[149],"that,":[150],"Swarm-A,":[155],"over":[156,258],"90%":[157],"could":[160],"be":[161,299],"properly":[162],"fixed":[163],"time":[166],"first":[168],"fix":[169],"(TTFF)":[170],"around":[171],"25\u201330":[172],"min.":[173],"For":[174],"assessment":[176],"orbits,":[179],"differences":[181],"post-processed":[183],"reduced":[184],"dynamic":[185],"laser":[189],"ranging":[190],"(SLR)":[191],"residuals":[192,233,269],"investigated.":[194],"Compared":[195],"solution,":[199],"3D":[201],"difference":[203],"root":[204],"mean":[205],"square":[206],"(RMS)":[207],"values":[208,245],"reduce":[209],"from":[210,218,294],"7.15":[211],"5.23":[213],"cm":[214,222],"Sentinel-3A,":[216],"5.29":[219],"4.01":[221,251],"help":[227],"AR.":[230],"SLR":[232],"also":[234],"show":[235],"notable":[236],"improvements":[237,256],"an":[239],"solution;":[241,282],"standard":[243],"deviation":[244],"2.78":[253],"cm,":[254],"20%":[259],"compared":[260],"solution.":[264],"addition,":[266],"solution":[272],"0.5\u20131.0":[274],"mm":[275],"larger":[276],"than":[277],"those":[278],"possible":[284],"reason":[285],"that":[287],"separate":[291],"unmodeled":[295],"errors":[296],"used":[297],"absorbed":[300],"float":[302],"ambiguities.":[303]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2019-12-05T00:00:00"}
