{"id":"https://openalex.org/W4387757554","doi":"https://doi.org/10.1109/jstars.2023.3325584","title":"Baseline Optimization for Spatial-Temporal Coupling in Geosynchronous Differential Synthetic Aperture Radar Tomography","display_name":"Baseline Optimization for Spatial-Temporal Coupling in Geosynchronous Differential Synthetic Aperture Radar Tomography","publication_year":2023,"publication_date":"2023-10-18","ids":{"openalex":"https://openalex.org/W4387757554","doi":"https://doi.org/10.1109/jstars.2023.3325584"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2023.3325584","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/jstars.2023.3325584","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/10287551.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/10287551.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031445156","display_name":"Xichao Dong","orcid":"https://orcid.org/0000-0001-8624-8872"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I50632499","display_name":"Chongqing University of Technology","ror":"https://ror.org/04vgbd477","country_code":"CN","type":"education","lineage":["https://openalex.org/I50632499"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xichao Dong","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Beijing Institute of Technology Chongqing Innovation Center Chongqing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Beijing Institute of Technology Chongqing Innovation Center Chongqing, China","institution_ids":["https://openalex.org/I50632499","https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103285040","display_name":"Yan Liu","orcid":"https://orcid.org/0009-0005-9665-3448"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Liu","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100324489","display_name":"Zhiyang Chen","orcid":"https://orcid.org/0000-0002-9341-7483"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyang Chen","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","Advanced Technology Research Institute, Beijing Institute of Technology, Jinan, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Advanced Technology Research Institute, Beijing Institute of Technology, Jinan, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052166139","display_name":"Xinyan Chen","orcid":"https://orcid.org/0000-0002-3437-4065"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyan Chen","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100631358","display_name":"Yuanhao Li","orcid":"https://orcid.org/0000-0001-8821-2179"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanhao Li","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024045689","display_name":"Cheng Hu","orcid":"https://orcid.org/0000-0001-7582-5291"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Hu","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036462675","display_name":"Feifeng Liu","orcid":"https://orcid.org/0000-0003-1158-2862"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feifeng Liu","raw_affiliation_strings":["Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Radar Research Laboratory, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Key Laboratory of Electronic and Information Technology in Satellite Navigation, Ministry of Education, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5031445156"],"corresponding_institution_ids":["https://openalex.org/I125839683","https://openalex.org/I50632499"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":{"value":1250,"currency":"USD","value_usd":1250},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0660274,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":null,"first_page":"95","last_page":"108"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9995999932289124,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9995999932289124,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9994999766349792,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9688000082969666,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7778741121292114},{"id":"https://openalex.org/keywords/geosynchronous-orbit","display_name":"Geosynchronous orbit","score":0.7300978302955627},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.5509714484214783},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5146785378456116},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4936462640762329},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.38138359785079956},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3529280126094818},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12885871529579163}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7778741121292114},{"id":"https://openalex.org/C94042562","wikidata":"https://www.wikidata.org/wiki/Q472251","display_name":"Geosynchronous orbit","level":3,"score":0.7300978302955627},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5509714484214783},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5146785378456116},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4936462640762329},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.38138359785079956},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3529280126094818},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12885871529579163},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2023.3325584","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/jstars.2023.3325584","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/10287551.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:231b999546be4211a9b9593041f84feb","is_oa":true,"landing_page_url":"https://doaj.org/article/231b999546be4211a9b9593041f84feb","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":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 95-108 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2023.3325584","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/jstars.2023.3325584","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/4609444/10287551.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2823273051","display_name":null,"funder_award_id":"61960206009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3644657578","display_name":null,"funder_award_id":"ZR2022QF067","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G4323804318","display_name":null,"funder_award_id":"2022M720443","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7259829950","display_name":null,"funder_award_id":"61971039","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G800703272","display_name":null,"funder_award_id":"62201051","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"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4387757554.pdf","grobid_xml":"https://content.openalex.org/works/W4387757554.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1961341407","https://openalex.org/W1979575933","https://openalex.org/W1991346723","https://openalex.org/W2026057110","https://openalex.org/W2031858497","https://openalex.org/W2082456873","https://openalex.org/W2098353811","https://openalex.org/W2102694060","https://openalex.org/W2102845306","https://openalex.org/W2103833429","https://openalex.org/W2104477030","https://openalex.org/W2115715748","https://openalex.org/W2126105956","https://openalex.org/W2129306709","https://openalex.org/W2134146185","https://openalex.org/W2144784770","https://openalex.org/W2145250341","https://openalex.org/W2167547397","https://openalex.org/W2614236858","https://openalex.org/W2746168564","https://openalex.org/W2800843019","https://openalex.org/W2889465479","https://openalex.org/W2940487129","https://openalex.org/W2968440718","https://openalex.org/W2996560204","https://openalex.org/W3006723060","https://openalex.org/W3132082870","https://openalex.org/W3157540916","https://openalex.org/W4293075330","https://openalex.org/W6772034353","https://openalex.org/W6903457434","https://openalex.org/W6941015036"],"related_works":["https://openalex.org/W2743664886","https://openalex.org/W2074347802","https://openalex.org/W2617331287","https://openalex.org/W1952060579","https://openalex.org/W2086927121","https://openalex.org/W2013329914","https://openalex.org/W2392383081","https://openalex.org/W4252699458","https://openalex.org/W2144008864","https://openalex.org/W1618102658"],"abstract_inverted_index":{"Differential":[0],"synthetic":[1,18],"aperture":[2],"radar":[3],"tomography":[4],"(D-TomoSAR)":[5],"uses":[6],"multiple":[7,176],"SAR":[8,65,77,91,94,105,112,117,211,218,242],"acquisitions":[9,123],"at":[10],"different":[11,70,82],"times":[12],"to":[13,51,81,125,148,235],"form":[14],"an":[15],"elevation-time":[16],"2-D":[17],"aperture,":[19],"enabling":[20],"recovery":[21],"of":[22,34,46,59,89,103,110,122,167,208,229,240],"the":[23,31,39,47,52,57,85,96,126,142,155,163,198,206,213,226,237,245],"target's":[24],"3-D":[25],"structure":[26],"and":[27,92,181,195,212,219,243],"deformation":[28],"velocity.":[29],"However,":[30],"imaging":[32,144],"performance":[33],"D-TomoSAR":[35,137,169],"is":[36,44,106,113,158,172,189,233],"influenced":[37],"by":[38,174,197],"spatial-temporal":[40,86,100,134,150,182,186],"baseline":[41,87,101,179,187,238,246],"distribution,":[42],"which":[43],"one":[45],"crucial":[48],"factors.":[49],"Due":[50],"difference":[53],"in":[54,84,95],"orbit":[55,76],"altitude,":[56],"effects":[58],"various":[60],"perturbation":[61],"forces":[62],"on":[63,73],"geosynchronous":[64],"(GEO":[66],"SAR)":[67],"are":[68],"significantly":[69],"from":[71],"those":[72],"low":[74],"Earth":[75],"(LEO":[78],"SAR),":[79],"leading":[80],"geometries":[83],"distributions":[88],"GEO":[90,111,116,168,210,217,241],"LEO":[93,104],"repeat-pass":[97,128],"acquisitions.":[98],"The":[99,184],"distribution":[102,239],"random,":[107],"while":[108],"that":[109,152],"coupled.":[114],"Although":[115],"obtains":[118],"a":[119,192],"large":[120],"number":[121],"due":[124],"short":[127],"time,":[129],"using":[130],"data":[131],"under":[132],"all":[133],"baselines":[135,151],"for":[136],"does":[138],"not":[139],"necessarily":[140],"provide":[141],"best":[143],"results.":[145],"Therefore,":[146],"how":[147],"select":[149],"can":[153],"improve":[154],"estimation":[156,170],"accuracy":[157,171],"important.":[159],"In":[160],"this":[161],"article,":[162],"Cram\u00e9r\u2013Rao":[164],"lower":[165],"bound":[166],"determined":[173],"considering":[175],"factors,":[177],"including":[178],"decorrelation":[180],"coupling.":[183],"optimal":[185],"selection":[188],"modeled":[190],"as":[191],"multiobjective":[193],"problem":[194],"solved":[196],"Nondominated":[199],"Sorting":[200],"Genetic":[201],"Algorithm":[202],"II":[203],"(NSGA-II).":[204],"Given":[205],"absence":[207],"in-orbit":[209],"orbital":[214],"similarity":[215],"between":[216],"BeiDou":[220,230],"Inclined":[221],"Geosynchronous":[222],"Orbit":[223],"(IGSO)":[224],"satellite,":[225],"real":[227],"ephemeris":[228],"IGSO":[231],"satellite":[232],"used":[234],"simulate":[236],"verify":[244],"optimization":[247],"method.":[248]},"counts_by_year":[],"updated_date":"2025-12-25T23:11:45.687758","created_date":"2025-10-10T00:00:00"}
