{"id":"https://openalex.org/W2147332078","doi":"https://doi.org/10.1109/tgrs.2008.2002954","title":"Omega-k Algorithm for Airborne Spatial Invariant Bistatic Spotlight SAR Imaging","display_name":"Omega-k Algorithm for Airborne Spatial Invariant Bistatic Spotlight SAR Imaging","publication_year":2008,"publication_date":"2008-12-04","ids":{"openalex":"https://openalex.org/W2147332078","doi":"https://doi.org/10.1109/tgrs.2008.2002954","mag":"2147332078"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2008.2002954","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.2002954","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/A5083469302","display_name":"Hee-Sub Shin","orcid":"https://orcid.org/0000-0003-4777-2553"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hee-Sub Shin","raw_affiliation_strings":["Radiowave Detection Research Center, Division of Electrical Engineering School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","Radiowave Detection Res. Center, Korea Adv. Inst. of Sci. & Technol., Daejeon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Detection Research Center, Division of Electrical Engineering School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Radiowave Detection Res. Center, Korea Adv. Inst. of Sci. & Technol., Daejeon","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109856917","display_name":"Jong-Tae Lim","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong-Tae Lim","raw_affiliation_strings":["Radiowave Detection Research Center, Division of Electrical Engineering School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","Radiowave Detection Res. Center, Korea Adv. Inst. of Sci. & Technol., Daejeon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiowave Detection Research Center, Division of Electrical Engineering School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Radiowave Detection Res. Center, Korea Adv. Inst. of Sci. & Technol., Daejeon","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":19.241,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.98800363,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"47","issue":"1","first_page":"238","last_page":"250"},"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":0.9998999834060669,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and 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/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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9995999932289124,"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/bistatic-radar","display_name":"Bistatic radar","score":0.9299609661102295},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7576662302017212},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.684012770652771},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.678341269493103},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.4975004494190216},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4814569354057312},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4481460750102997},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3923138976097107},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.38921093940734863},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27222955226898193},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.2710219621658325},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.21308168768882751},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20289874076843262},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15536561608314514}],"concepts":[{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.9299609661102295},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7576662302017212},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.684012770652771},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.678341269493103},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.4975004494190216},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4814569354057312},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4481460750102997},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3923138976097107},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.38921093940734863},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27222955226898193},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.2710219621658325},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.21308168768882751},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20289874076843262},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15536561608314514},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2008.2002954","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2008.2002954","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6299999952316284,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W599284720","https://openalex.org/W1527747735","https://openalex.org/W2026284607","https://openalex.org/W2035962965","https://openalex.org/W2047941860","https://openalex.org/W2064656365","https://openalex.org/W2066569390","https://openalex.org/W2097157315","https://openalex.org/W2101149247","https://openalex.org/W2101764142","https://openalex.org/W2101961721","https://openalex.org/W2102231043","https://openalex.org/W2102921232","https://openalex.org/W2107914333","https://openalex.org/W2113466417","https://openalex.org/W2119058657","https://openalex.org/W2143285730","https://openalex.org/W2148474930","https://openalex.org/W2152234893","https://openalex.org/W2154063429","https://openalex.org/W2158380702","https://openalex.org/W2165545410","https://openalex.org/W2166520308","https://openalex.org/W2169851656","https://openalex.org/W2171787243","https://openalex.org/W2171992377","https://openalex.org/W2172080481","https://openalex.org/W2501210789","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2135924691","https://openalex.org/W2113162338","https://openalex.org/W2766192666","https://openalex.org/W4245917453","https://openalex.org/W2142179688","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W2382300681","https://openalex.org/W2996630340"],"abstract_inverted_index":{"Bistatic":[0],"spotlight":[1],"synthetic":[2],"aperture":[3],"radar":[4],"(SAR)":[5],"which":[6],"uses":[7],"a":[8],"separated":[9],"transmitter":[10,36],"and":[11,37],"receiver":[12,39],"has":[13],"been":[14],"studied":[15],"intensively":[16],"due":[17],"to":[18,79],"its":[19],"flexibility.":[20],"To":[21],"reconstruct":[22],"the":[23,26,30,35,38,45,50,57,62,68,71,81],"image":[24,82],"for":[25],"bistatic":[27,85],"SAR":[28,86],"in":[29],"parallel":[31,58],"track":[32,59,64],"configuration,":[33],"where":[34],"have":[40],"equal":[41],"velocity,":[42],"we":[43,55,74],"modify":[44],"omega-k":[46],"algorithm.":[47],"Specifically,":[48],"using":[49,67],"extended":[51],"Taylor":[52],"approximation":[53],"(ETA),":[54],"convert":[56],"configuration":[60],"into":[61],"single":[63],"configuration.":[65],"Then,":[66],"principle":[69],"of":[70,84],"stationary":[72],"phase,":[73],"propose":[75],"an":[76],"analytical":[77],"method":[78],"increase":[80],"quality":[83],"systems.":[87]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
