{"id":"https://openalex.org/W4402265780","doi":"https://doi.org/10.1109/igarss53475.2024.10642962","title":"A Space-Variant SAR Image Formation Algorithm for Eccentric Orbits Around Small Bodies","display_name":"A Space-Variant SAR Image Formation Algorithm for Eccentric Orbits Around Small Bodies","publication_year":2024,"publication_date":"2024-07-07","ids":{"openalex":"https://openalex.org/W4402265780","doi":"https://doi.org/10.1109/igarss53475.2024.10642962"},"language":"en","primary_location":{"id":"doi:10.1109/igarss53475.2024.10642962","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss53475.2024.10642962","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5091685846","display_name":"Pau Prats","orcid":"https://orcid.org/0000-0002-7583-2309"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"P. Prats-Iraola","raw_affiliation_strings":["Microwaves and Radar Institute,German Aerospace Center (DLR),Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute,German Aerospace Center (DLR),Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026715371","display_name":"Marc Rodr\u00edguez-Cassol\u00e0","orcid":null},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"M. Rodriguez-Cassola","raw_affiliation_strings":["Microwaves and Radar Institute,German Aerospace Center (DLR),Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute,German Aerospace Center (DLR),Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060786704","display_name":"Andreas Benedikter","orcid":"https://orcid.org/0000-0002-8525-0492"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"A. Benedikter","raw_affiliation_strings":["Microwaves and Radar Institute,German Aerospace Center (DLR),Germany"],"affiliations":[{"raw_affiliation_string":"Microwaves and Radar Institute,German Aerospace Center (DLR),Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022407531","display_name":"Stephen Horst","orcid":null},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Horst","raw_affiliation_strings":["California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A"],"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067129415","display_name":"P. A. Rosen","orcid":"https://orcid.org/0000-0002-4558-6004"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. Rosen","raw_affiliation_strings":["California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A"],"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050851859","display_name":"S. Hensley","orcid":"https://orcid.org/0000-0002-8846-2175"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Hensley","raw_affiliation_strings":["California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A"],"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033721634","display_name":"M. Simons","orcid":null},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Simons","raw_affiliation_strings":["California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A"],"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Jet Propoulsion Laboratory,Pasadena,CA,U.S.A","institution_ids":["https://openalex.org/I1334627681"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5091685846"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":null,"apc_paid":null,"fwci":1.407,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.88047065,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"6343","last_page":"6346"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/space","display_name":"Space (punctuation)","score":0.6003354787826538},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5318424701690674},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5290471911430359},{"id":"https://openalex.org/keywords/eccentric","display_name":"Eccentric","score":0.47692105174064636},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.46006906032562256},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.44947877526283264},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4210375249385834},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3331785500049591},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2865578532218933}],"concepts":[{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.6003354787826538},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5318424701690674},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5290471911430359},{"id":"https://openalex.org/C100784341","wikidata":"https://www.wikidata.org/wiki/Q1340491","display_name":"Eccentric","level":2,"score":0.47692105174064636},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.46006906032562256},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.44947877526283264},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4210375249385834},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3331785500049591},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2865578532218933},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/igarss53475.2024.10642962","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss53475.2024.10642962","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:205405","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Konferenzbeitrag"},{"id":"pmh:oai:elib.dlr.de:205405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/IGARSS53475.2024.10642962>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W1977512553","https://openalex.org/W2015089650","https://openalex.org/W2047941860","https://openalex.org/W2086736652","https://openalex.org/W2120024360","https://openalex.org/W3212608601","https://openalex.org/W4387803560","https://openalex.org/W7027607310"],"related_works":["https://openalex.org/W2355929902","https://openalex.org/W3104141203","https://openalex.org/W2370696782","https://openalex.org/W2466450947","https://openalex.org/W2093742430","https://openalex.org/W4229457478","https://openalex.org/W2787614391","https://openalex.org/W4394809213","https://openalex.org/W2400901189","https://openalex.org/W2150488787"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3],"image":[4,95],"formation":[5],"algorithm":[6,131],"for":[7,40,90,110,122],"the":[8,46,56,59,67,77,100,104,108,128,136],"focusing":[9],"of":[10,107],"SAR":[11,42,111],"data":[12],"with":[13],"space-variant":[14],"impulse":[15],"response":[16],"functions":[17],"caused":[18],"by":[19],"eccentric":[20],"orbits":[21,32],"around":[22,33],"small":[23],"high-curvature":[24],"surfaces,":[25],"such":[26,44],"as":[27,45],"is":[28],"encountered":[29],"in":[30,86],"stable":[31],"Saturn\u2019s":[34],"moon":[35],"Enceladus,":[36],"a":[37,63,117],"potential":[38],"target":[39,125],"future":[41],"missions":[43],"Nightingale":[47],"mission":[48],"concept":[49],"under":[50],"development":[51],"at":[52],"JPL.":[53],"Due":[54],"to":[55,88,120,134],"extreme":[57],"geometry,":[58],"range":[60],"history":[61],"shows":[62],"significant":[64],"dependence":[65],"on":[66],"target\u2019s":[68],"azimuth":[69],"position":[70],"within":[71],"time":[72],"scales":[73],"significantly":[74],"shorter":[75],"than":[76],"synthetic":[78],"aperture":[79],"duration.":[80],"Therefore,":[81],"additional":[82],"steps":[83],"are":[84,132],"needed":[85],"order":[87],"compensate":[89],"this":[91,98],"effect":[92],"and":[93,115],"minimize":[94],"degradation.":[96],"In":[97],"context,":[99],"present":[101],"contribution":[102],"evaluates":[103],"space":[105],"variance":[106],"geometry":[109],"surveys":[112],"over":[113],"Enceladus":[114],"proposes":[116],"processing":[118,130],"flow":[119],"account":[121],"it.":[123],"Point":[124],"simulations":[126],"using":[127],"proposed":[129],"shown":[133],"verify":[135],"approach.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}