{"id":"https://openalex.org/W4400772221","doi":"https://doi.org/10.1109/tgrs.2024.3430294","title":"A Decoupled Hybrid Correlation Algorithm for High-Squint Spaceborne SAR Data Imaging","display_name":"A Decoupled Hybrid Correlation Algorithm for High-Squint Spaceborne SAR Data Imaging","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4400772221","doi":"https://doi.org/10.1109/tgrs.2024.3430294"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2024.3430294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3430294","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/A5090330359","display_name":"Yanan Guo","orcid":"https://orcid.org/0000-0003-4658-7559"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yanan Guo","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100704036","display_name":"Pengbo Wang","orcid":"https://orcid.org/0000-0002-6364-9806"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengbo Wang","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062999786","display_name":"Zhirong Men","orcid":"https://orcid.org/0000-0003-3027-2691"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhirong Men","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087554978","display_name":"Tao He","orcid":"https://orcid.org/0000-0003-4921-5590"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao He","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101653417","display_name":"Tian Qiu","orcid":"https://orcid.org/0000-0002-8608-5863"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tian Qiu","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100332980","display_name":"Jie Chen","orcid":"https://orcid.org/0000-0002-9370-3965"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Chen","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5090330359"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.7548,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.7822838,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9950000047683716,"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":0.9950000047683716,"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":0.9927999973297119,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9424999952316284,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7148914933204651},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6286432147026062},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5578345060348511},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.525597333908081},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.44603610038757324},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4179065525531769},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.4100739061832428},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2859242558479309},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2546202540397644},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.18082711100578308}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7148914933204651},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6286432147026062},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5578345060348511},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.525597333908081},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.44603610038757324},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4179065525531769},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.4100739061832428},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2859242558479309},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2546202540397644},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.18082711100578308},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2024.3430294","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3430294","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":[],"awards":[{"id":"https://openalex.org/G3825791392","display_name":null,"funder_award_id":"U2241202","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W91015217","https://openalex.org/W357677209","https://openalex.org/W1966903261","https://openalex.org/W1968818062","https://openalex.org/W2017157697","https://openalex.org/W2042706080","https://openalex.org/W2049734132","https://openalex.org/W2051188981","https://openalex.org/W2079299474","https://openalex.org/W2090111888","https://openalex.org/W2114152188","https://openalex.org/W2116008021","https://openalex.org/W2120024360","https://openalex.org/W2126421815","https://openalex.org/W2129610215","https://openalex.org/W2131747793","https://openalex.org/W2134062774","https://openalex.org/W2138863700","https://openalex.org/W2145808318","https://openalex.org/W2161208433","https://openalex.org/W2161745552","https://openalex.org/W2165085185","https://openalex.org/W2245827188","https://openalex.org/W2430671731","https://openalex.org/W2482219064","https://openalex.org/W2516269052","https://openalex.org/W2604185782","https://openalex.org/W2766097220","https://openalex.org/W2898548838","https://openalex.org/W2986624751","https://openalex.org/W3209535755","https://openalex.org/W4391946945","https://openalex.org/W6884735757"],"related_works":["https://openalex.org/W3206958763","https://openalex.org/W2159160885","https://openalex.org/W2148958581","https://openalex.org/W4252699458","https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W2545123933","https://openalex.org/W1994788526"],"abstract_inverted_index":{"High-resolution":[0],"and":[1,55,111,134,162,179,219,244,258],"high-squint":[2,15,95,138],"spaceborne":[3,16,91],"synthetic":[4],"aperture":[5],"radar":[6],"(SAR)":[7],"system":[8],"has":[9],"excellent":[10],"earth":[11],"observation":[12],"performance.":[13],"However,":[14],"SAR":[17,92],"data":[18,93],"is":[19,50,85,103,122,148],"more":[20],"challenging":[21],"to":[22,87,124,151,213,270],"process":[23],"than":[24],"the":[25,31,37,71,80,104,108,126,129,153,173,185,193,207,215,237,241,246,251,256,259,272],"general":[26],"broadside":[27],"counterpart":[28],"because":[29],"of":[30,94,107,128,189,206,209,261],"severe":[32],"range-azimuth":[33,72],"coupling":[34],"(RAC).":[35],"Whereas":[36],"classic":[38],"linear":[39],"range":[40,130,146,155,165,180,199,216,220,252],"walk":[41],"correction":[42],"(LRWC)":[43],"method":[44],"can":[45,167,226,231],"handle":[46,88],"this":[47,62],"problem,":[48],"it":[49,112],"performed":[51,150],"in":[52,75,117,145],"azimuth":[53,58],"time-domain":[54],"seriously":[56],"constrains":[57],"swath":[59],"width.":[60],"In":[61],"article,":[63],"a":[64],"decoupled":[65,99],"hybrid":[66,82,100],"correlation":[67,83,101,248],"Algorithm":[68],"(DHCA),":[69],"combining":[70],"decoupling":[73],"(RAD)":[74],"2-D":[76,118],"frequency":[77,119,221],"domain":[78],"with":[79,114],"modified":[81],"(MHC),":[84],"proposed":[86,109,273],"sliding":[89],"spotlight":[90],"angle":[96],"case.":[97],"The":[98,176,229],"(DHC)":[102],"main":[105],"body":[106],"algorithm,":[110],"starts":[113],"RAD":[115],"filtering":[116],"domain,":[120],"which":[121],"designed":[123],"eliminate":[125],"majority":[127],"cell":[131,200],"migration":[132],"(RCM)":[133],"RAC":[135],"caused":[136,158],"by":[137,159,172,235],"angles.":[139],"A":[140],"nonlinear":[141],"chirp":[142,156],"scaling":[143],"(NLCS)":[144],"direction":[147],"subsequently":[149],"equalize":[152],"variant":[154],"rate":[157],"residual":[160,242],"RCM":[161,243],"RAC.":[163],"Coarse":[164],"compression":[166,182,217],"then":[168],"be":[169,227,233],"realized":[170],"uniformly":[171],"range-matched":[174],"filtering.":[175],"NLCS":[177,225],"operation":[178],"coarse":[181],"ensure":[183],"that":[184],"range-Doppler":[186],"(RD)":[187],"signals":[188,239],"all":[190],"targets":[191],"within":[192],"whole":[194],"scene":[195],"occupy":[196],"very":[197],"narrow":[198],"scopes.":[201],"By":[202],"making":[203],"full":[204],"use":[205],"principle":[208],"stationary":[210],"point":[211],"(POSP)":[212],"signals,":[214],"position":[218],"mapping":[222],"relationship":[223],"after":[224,250],"derived.":[228],"MHC":[230],"therefore":[232],"fulfilled":[234],"extracting":[236],"RD":[238],"along":[240],"constructing":[245],"reference":[247],"function":[249],"NLCS.":[253],"Thus,":[254],"both":[255],"efficiency":[257],"accuracy":[260],"focusing":[262],"processing":[263],"are":[264,267],"guaranteed.":[265],"Simulations":[266],"carried":[268],"out":[269],"validate":[271],"algorithm.":[274]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}