{"id":"https://openalex.org/W3165487781","doi":"https://doi.org/10.1109/tgrs.2021.3079240","title":"EI + FWI Method for Reconstructing Interior Structure of Asteroid Using Lander-to-Orbiter Bistatic Radar System","display_name":"EI + FWI Method for Reconstructing Interior Structure of Asteroid Using Lander-to-Orbiter Bistatic Radar System","publication_year":2021,"publication_date":"2021-05-21","ids":{"openalex":"https://openalex.org/W3165487781","doi":"https://doi.org/10.1109/tgrs.2021.3079240","mag":"3165487781"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2021.3079240","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3079240","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018537709","display_name":"Jian Deng","orcid":"https://orcid.org/0000-0001-5106-1581"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Deng","raw_affiliation_strings":["Institute of Geophysics and Geomatics, China University of Geosciences (CUG), Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0001-5106-1581","affiliations":[{"raw_affiliation_string":"Institute of Geophysics and Geomatics, China University of Geosciences (CUG), Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075790506","display_name":"W. Kofman","orcid":"https://orcid.org/0000-0002-6744-8796"},"institutions":[{"id":"https://openalex.org/I122697084","display_name":"Centrum Bada\u0144 Kosmicznych","ror":"https://ror.org/03zm2br59","country_code":"PL","type":"facility","lineage":["https://openalex.org/I122697084","https://openalex.org/I99542240"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210109224","display_name":"Institut de Plan\u00e9tologie et d'Astrophysique de Grenoble","ror":"https://ror.org/01kcrnc96","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1327553481","https://openalex.org/I154202486","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210108561","https://openalex.org/I4210109224","https://openalex.org/I4210113730","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444","https://openalex.org/I4387154391","https://openalex.org/I4405257220","https://openalex.org/I899635006","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I899635006","display_name":"Universit\u00e9 Grenoble Alpes","ror":"https://ror.org/02rx3b187","country_code":"FR","type":"education","lineage":["https://openalex.org/I899635006"]}],"countries":["FR","PL"],"is_corresponding":false,"raw_author_name":"Wlodek Kofman","raw_affiliation_strings":["Centrum Badan Kosmicznych Polskiej Akademii Nauk (CBK PAN), Warsaw, Poland","Universit\u00e9 Grenoble Alpes, CNRS, CNES, IPAG, Grenoble, France"],"raw_orcid":"https://orcid.org/0000-0002-6744-8796","affiliations":[{"raw_affiliation_string":"Centrum Badan Kosmicznych Polskiej Akademii Nauk (CBK PAN), Warsaw, Poland","institution_ids":["https://openalex.org/I122697084"]},{"raw_affiliation_string":"Universit\u00e9 Grenoble Alpes, CNRS, CNES, IPAG, Grenoble, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210109224","https://openalex.org/I899635006"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011129389","display_name":"Peimin Zhu","orcid":"https://orcid.org/0000-0003-1613-9261"},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peimin Zhu","raw_affiliation_strings":["Institute of Geophysics and Geomatics, China University of Geosciences (CUG), Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0003-1613-9261","affiliations":[{"raw_affiliation_string":"Institute of Geophysics and Geomatics, China University of Geosciences (CUG), Wuhan, China","institution_ids":["https://openalex.org/I3124059619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020873972","display_name":"Alain H\u00e8rique","orcid":"https://orcid.org/0000-0003-3699-883X"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210109224","display_name":"Institut de Plan\u00e9tologie et d'Astrophysique de Grenoble","ror":"https://ror.org/01kcrnc96","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I1327553481","https://openalex.org/I154202486","https://openalex.org/I2799535048","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210108561","https://openalex.org/I4210109224","https://openalex.org/I4210113730","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444","https://openalex.org/I4387154391","https://openalex.org/I4405257220","https://openalex.org/I899635006","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I899635006","display_name":"Universit\u00e9 Grenoble Alpes","ror":"https://ror.org/02rx3b187","country_code":"FR","type":"education","lineage":["https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Alain Herique","raw_affiliation_strings":["Universit\u00e9 Grenoble Alpes, CNRS, CNES, IPAG, Grenoble, France"],"raw_orcid":"https://orcid.org/0000-0003-3699-883X","affiliations":[{"raw_affiliation_string":"Universit\u00e9 Grenoble Alpes, CNRS, CNES, IPAG, Grenoble, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210109224","https://openalex.org/I899635006"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078032698","display_name":"Ruidong Liu","orcid":"https://orcid.org/0000-0001-7949-3079"},"institutions":[{"id":"https://openalex.org/I194716290","display_name":"China Academy of Space Technology","ror":"https://ror.org/025397a59","country_code":"CN","type":"government","lineage":["https://openalex.org/I194716290","https://openalex.org/I2802615301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruidong Liu","raw_affiliation_strings":["China Academy of Space Technology, Xi\u2019an Branch, Xi\u2019an, China","China Academy of Space Technology, Xi'an Branch, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Academy of Space Technology, Xi\u2019an Branch, Xi\u2019an, China","institution_ids":["https://openalex.org/I194716290"]},{"raw_affiliation_string":"China Academy of Space Technology, Xi'an Branch, Xi'an, China","institution_ids":["https://openalex.org/I194716290"]}]},{"author_position":"last","author":{"id":null,"display_name":"Shi Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I194716290","display_name":"China Academy of Space Technology","ror":"https://ror.org/025397a59","country_code":"CN","type":"government","lineage":["https://openalex.org/I194716290","https://openalex.org/I2802615301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shi Zheng","raw_affiliation_strings":["China Academy of Space Technology, Xi\u2019an Branch, Xi\u2019an, China","China Academy of Space Technology, Xi'an Branch, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Academy of Space Technology, Xi\u2019an Branch, Xi\u2019an, China","institution_ids":["https://openalex.org/I194716290"]},{"raw_affiliation_string":"China Academy of Space Technology, Xi'an Branch, Xi'an, China","institution_ids":["https://openalex.org/I194716290"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5398,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.66193649,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"60","issue":null,"first_page":"1","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10406","display_name":"Planetary Science and Exploration","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10413","display_name":"High-pressure geophysics and materials","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/orbiter","display_name":"Orbiter","score":0.8525973558425903},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.6860049366950989},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.6265614032745361},{"id":"https://openalex.org/keywords/asteroid","display_name":"Asteroid","score":0.5770077705383301},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5409067869186401},{"id":"https://openalex.org/keywords/astrobiology","display_name":"Astrobiology","score":0.5226519107818604},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.46853604912757874},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.36670583486557007},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.3038020133972168},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.28992974758148193},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.21404752135276794}],"concepts":[{"id":"https://openalex.org/C2776481522","wikidata":"https://www.wikidata.org/wiki/Q40218","display_name":"Orbiter","level":2,"score":0.8525973558425903},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.6860049366950989},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6265614032745361},{"id":"https://openalex.org/C58142911","wikidata":"https://www.wikidata.org/wiki/Q3863","display_name":"Asteroid","level":2,"score":0.5770077705383301},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5409067869186401},{"id":"https://openalex.org/C87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","level":1,"score":0.5226519107818604},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.46853604912757874},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.36670583486557007},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.3038020133972168},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28992974758148193},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.21404752135276794},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tgrs.2021.3079240","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3079240","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-04989378v1","is_oa":false,"landing_page_url":"https://hal.science/hal-04989378","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing, 2022, 60, pp.1-16. ⟨10.1109/TGRS.2021.3079240⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1354928462","display_name":null,"funder_award_id":"D020101","funder_id":"https://openalex.org/F4320317129","funder_display_name":"China National Space Administration"},{"id":"https://openalex.org/G3747994768","display_name":null,"funder_award_id":"LQ18A030001","funder_id":"https://openalex.org/F4320338464","funder_display_name":"Natural Science Foundation of Zhejiang Province"}],"funders":[{"id":"https://openalex.org/F4320317129","display_name":"China National Space Administration","ror":"https://ror.org/004vanv95"},{"id":"https://openalex.org/F4320338464","display_name":"Natural Science Foundation of Zhejiang Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W1634372204","https://openalex.org/W1830302554","https://openalex.org/W1840119212","https://openalex.org/W1903160458","https://openalex.org/W1942169525","https://openalex.org/W1963235885","https://openalex.org/W1964582148","https://openalex.org/W1980591793","https://openalex.org/W1996070960","https://openalex.org/W1997083473","https://openalex.org/W2031569881","https://openalex.org/W2035700792","https://openalex.org/W2040922841","https://openalex.org/W2045323482","https://openalex.org/W2047753650","https://openalex.org/W2065795854","https://openalex.org/W2069624343","https://openalex.org/W2076801080","https://openalex.org/W2079698977","https://openalex.org/W2080126362","https://openalex.org/W2084674247","https://openalex.org/W2086462882","https://openalex.org/W2087495364","https://openalex.org/W2087774907","https://openalex.org/W2100245965","https://openalex.org/W2105825340","https://openalex.org/W2123275507","https://openalex.org/W2125916088","https://openalex.org/W2126344940","https://openalex.org/W2139381422","https://openalex.org/W2150240527","https://openalex.org/W2159598897","https://openalex.org/W2280932368","https://openalex.org/W2387835166","https://openalex.org/W2480915065","https://openalex.org/W2503360103","https://openalex.org/W2516496171","https://openalex.org/W2586451548","https://openalex.org/W2588080245","https://openalex.org/W2625375585","https://openalex.org/W2742763625","https://openalex.org/W2766119977","https://openalex.org/W2790216764","https://openalex.org/W2791343747","https://openalex.org/W2888389500","https://openalex.org/W2912982399","https://openalex.org/W2913015110","https://openalex.org/W2913747050","https://openalex.org/W2943037695","https://openalex.org/W2950384265","https://openalex.org/W3001892961","https://openalex.org/W3043018627","https://openalex.org/W3103610616","https://openalex.org/W3159474099","https://openalex.org/W4393398437"],"related_works":["https://openalex.org/W2192445440","https://openalex.org/W2570054680","https://openalex.org/W2011642848","https://openalex.org/W1578400464","https://openalex.org/W3132798239","https://openalex.org/W3127689436","https://openalex.org/W3198014086","https://openalex.org/W1981675605","https://openalex.org/W4313855562","https://openalex.org/W2091422131"],"abstract_inverted_index":{"This":[0],"research":[1],"aims":[2],"at":[3],"the":[4,20,37,63,70,75,83,89,96,101,106,138,147,154,197,203,226,236],"robust":[5,135],"and":[6,105,150,169,174,206,232],"high-resolution":[7],"reconstruction":[8],"of":[9,39,103,109,157,172,199,218,228],"asteroid\u2019s":[10],"interior":[11],"structure":[12,156],"using":[13,124],"lander-to-orbiter":[14],"radar":[15,98],"system.":[16],"In":[17],"recent":[18],"years,":[19],"full":[21],"waveform":[22],"inversion":[23,142],"(FWI)":[24],"has":[25],"been":[26],"suggested":[27],"as":[28,100,161],"a":[29,134,162,216],"potential":[30],"method":[31],"to":[32,36,81,115,132,164,224],"asteroid":[33,110,158,177],"tomography.":[34,237],"Due":[35],"limitation":[38,102],"computing":[40],"capacity,":[41],"FWI":[42,73,126,173,189,214],"is":[43,111,159],"usually":[44,112],"performed":[45],"by":[46,192],"local":[47,58,84],"rather":[48],"than":[49],"global":[50,71],"optimization":[51],"method,":[52],"which":[53,121,144],"makes":[54],"it":[55],"suffer":[56],"from":[57],"minima":[59],"problem":[60],"especially":[61],"when":[62],"signal":[64,99,149],"lacks":[65],"low-frequency":[66,90],"components.":[67],"To":[68],"ensure":[69],"convergence,":[72],"requires":[74],"initial":[76,119,204],"model":[77,167,205],"be":[78,130],"accurate":[79,118],"enough":[80],"avoid":[82],"minima.":[85],"But":[86],"in":[87,95,176],"practice,":[88],"components":[91],"are":[92,179,222],"naturally":[93],"absent":[94],"remote":[97],"bandwidth,":[104],"prior":[107],"information":[108],"not":[113,129],"sufficient":[114],"build":[116],"an":[117],"model,":[120],"leads":[122],"that":[123],"conventional":[125],"directly":[127],"may":[128],"capable":[131],"obtain":[133],"reconstruction.":[136],"Considering":[137],"above":[139],"problems,":[140],"envelope":[141],"(EI)":[143],"works":[145],"on":[146,182,202,211,235],"baseband":[148],"therefore,":[151],"can":[152],"recover":[153],"long-wavelength":[155],"proposed":[160],"supplementary":[163],"FWI.":[165],"Initial":[166],"dependence":[168],"noise":[170],"sensitivity":[171],"EI":[175,187,212],"tomography":[178],"analyzed":[180],"based":[181],"2-D":[183],"numerical":[184,220],"experiments.":[185],"The":[186],"+":[188,213],"combination":[190],"constrained":[191],"total":[193],"variation":[194],"regularization":[195],"shows":[196],"characteristics":[198],"good":[200],"independence":[201],"high":[207],"imaging":[208],"resolution.":[209],"Based":[210],"strategy,":[215],"series":[217],"3-D":[219],"experiments":[221],"conducted":[223],"test":[225],"influence":[227],"orbital":[229],"measurement":[230],"density":[231],"landing":[233],"site":[234]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}