{"id":"https://openalex.org/W2991289687","doi":"https://doi.org/10.1109/tgrs.2019.2950963","title":"Azimuth Reconstruction Algorithm for Multistatic SAR Formations With Large Along-Track Baselines","display_name":"Azimuth Reconstruction Algorithm for Multistatic SAR Formations With Large Along-Track Baselines","publication_year":2019,"publication_date":"2019-11-26","ids":{"openalex":"https://openalex.org/W2991289687","doi":"https://doi.org/10.1109/tgrs.2019.2950963","mag":"2991289687"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2019.2950963","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2019.2950963","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/A5003003150","display_name":"Nida Sakar","orcid":"https://orcid.org/0000-0002-0903-6523"},"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":"Nida Sakar","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, 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":"Marc Rodriguez-Cassola","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","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":false,"raw_author_name":"Pau Prats-Iraola","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014119546","display_name":"Alberto Moreira","orcid":"https://orcid.org/0000-0002-3436-9653"},"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":"Alberto Moreira","raw_affiliation_strings":["German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany"],"affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Microwaves and Radar Institute, We\u00dfling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5003003150"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":null,"apc_paid":null,"fwci":7.9341,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.97225708,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"58","issue":"3","first_page":"1931","last_page":"1940"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","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/T11038","display_name":"Advanced SAR Imaging Techniques","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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and 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/T10891","display_name":"Radar Systems and Signal Processing","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7255502343177795},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.68895423412323},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6785158514976501},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6174955368041992},{"id":"https://openalex.org/keywords/point-target","display_name":"Point target","score":0.5324600338935852},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.5202228426933289},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.5141082406044006},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.496254026889801},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.49034976959228516},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4344694912433624},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.434135377407074},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4252152442932129},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.35268235206604004},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3500715494155884},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3414980173110962},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19022244215011597},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.150465190410614},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13750892877578735}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7255502343177795},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.68895423412323},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6785158514976501},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6174955368041992},{"id":"https://openalex.org/C2778999744","wikidata":"https://www.wikidata.org/wiki/Q7208292","display_name":"Point target","level":3,"score":0.5324600338935852},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.5202228426933289},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.5141082406044006},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.496254026889801},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.49034976959228516},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4344694912433624},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.434135377407074},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4252152442932129},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.35268235206604004},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3500715494155884},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3414980173110962},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19022244215011597},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.150465190410614},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13750892877578735},{"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/tgrs.2019.2950963","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2019.2950963","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:elib.dlr.de:131972","is_oa":false,"landing_page_url":"https://elib.dlr.de/131972/","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Zeitschriftenbeitrag"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.550000011920929,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W13576848","https://openalex.org/W1985053641","https://openalex.org/W1988588397","https://openalex.org/W1993916311","https://openalex.org/W2015089650","https://openalex.org/W2093631663","https://openalex.org/W2103266681","https://openalex.org/W2131227606","https://openalex.org/W2133207688","https://openalex.org/W2140990782","https://openalex.org/W2145348268","https://openalex.org/W2232315393","https://openalex.org/W2796256313","https://openalex.org/W2896458713","https://openalex.org/W3214953536","https://openalex.org/W6600547917","https://openalex.org/W6754845247"],"related_works":["https://openalex.org/W2766192666","https://openalex.org/W2142179688","https://openalex.org/W2385030184","https://openalex.org/W1989152044","https://openalex.org/W2538093846","https://openalex.org/W2382300681","https://openalex.org/W2104042439","https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1966717886"],"abstract_inverted_index":{"A":[0],"multistatic":[1,85,164],"synthetic":[2],"aperture":[3],"radar":[4],"(SAR)":[5],"system":[6],"offers":[7],"the":[8,12,34,39,42,47,51,55,111,125],"potential":[9],"of":[10,14,21,41,50,54,121,124,140,145,147,151],"exceeding":[11],"capabilities":[13],"conventional":[15],"SARs":[16],"in":[17,71,110,115,134,160],"various":[18],"ways,":[19],"one":[20],"which":[22,102],"is":[23,74,82,119],"to":[24,38,63,75,84],"realize":[25],"high-resolution":[26],"imaging":[27],"over":[28,128,143],"wide":[29],"swaths":[30,144],"when":[31],"operated":[32],"under":[33],"Nyquist":[35],"frequency.":[36],"Due":[37],"decrease":[40],"operational":[43],"pulse":[44],"repetition":[45],"frequency,":[46],"Doppler":[48],"spectrum":[49],"received":[52],"data":[53],"single":[56],"channels":[57],"appears":[58],"strongly":[59],"aliased":[60],"and":[61,93,118,162],"needs":[62],"be":[64,104],"resolved":[65],"via":[66],"azimuth":[67],"reconstruction.":[68],"Our":[69],"aim":[70],"this":[72],"article":[73],"suggest":[76],"an":[77],"accurate":[78,132],"reconstruction":[79,109,133],"strategy":[80],"that":[81],"applicable":[83],"SAR":[86],"systems":[87],"also":[88],"with":[89,136],"large":[90,129],"along-track":[91],"baselines":[92],"very":[94],"high":[95],"resolution":[96],"on":[97],"curved":[98],"orbits.":[99],"The":[100,149],"algorithm,":[101],"can":[103],"regarded":[105],"as":[106],"a":[107],"generalized":[108],"range-Doppler":[112],"domain,":[113],"operates":[114],"two":[116],"steps":[117],"capable":[120],"correcting":[122],"most":[123],"polychromatic":[126],"deviations":[127],"areas,":[130],"achieving":[131],"constellations":[135],"kilometric":[137],"baselines,":[138],"resolutions":[139],"about":[141],"15\u03bb":[142],"hundreds":[146],"kilometers.":[148],"validity":[150],"our":[152],"approach":[153],"has":[154],"been":[155],"tested":[156],"using":[157],"point":[158],"targets":[159],"two-":[161],"six-receiver":[163],"configurations.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
