{"id":"https://openalex.org/W3136230402","doi":"https://doi.org/10.1109/tgrs.2021.3063780","title":"Focusing Translational-Variant Bistatic Forward- Looking SAR Data Using the Modified Omega-K Algorithm","display_name":"Focusing Translational-Variant Bistatic Forward- Looking SAR Data Using the Modified Omega-K Algorithm","publication_year":2021,"publication_date":"2021-03-23","ids":{"openalex":"https://openalex.org/W3136230402","doi":"https://doi.org/10.1109/tgrs.2021.3063780","mag":"3136230402"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2021.3063780","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3063780","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/A5044356445","display_name":"Yachao Li","orcid":"https://orcid.org/0000-0002-6672-367X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yachao Li","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0002-6672-367X","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011921680","display_name":"Tinghao Zhang","orcid":"https://orcid.org/0009-0008-6792-6701"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tinghao Zhang","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055627234","display_name":"Haiwen Mei","orcid":"https://orcid.org/0000-0001-8289-3874"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiwen Mei","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0001-8289-3874","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008256662","display_name":"Yinghui Quan","orcid":"https://orcid.org/0000-0001-6541-9441"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinghui Quan","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0001-6541-9441","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021408538","display_name":"Mengdao Xing","orcid":"https://orcid.org/0000-0002-4084-0915"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengdao Xing","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0002-4084-0915","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":19.2168,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.98693448,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"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/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":0.9993000030517578,"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":0.9961000084877014,"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":0.7419531345367432},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.722136378288269},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6623721718788147},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6411358118057251},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5923914313316345},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.46890321373939514},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.44157496094703674},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.3455582559108734},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.2558172643184662},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.25174617767333984},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21262195706367493},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.15941664576530457},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.118539959192276},{"id":"https://openalex.org/keywords/undersampling","display_name":"Undersampling","score":0.10043066740036011}],"concepts":[{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.7419531345367432},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.722136378288269},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6623721718788147},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6411358118057251},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5923914313316345},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.46890321373939514},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.44157496094703674},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.3455582559108734},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.2558172643184662},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.25174617767333984},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21262195706367493},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.15941664576530457},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.118539959192276},{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.10043066740036011}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2021.3063780","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3063780","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":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.6299999952316284}],"awards":[{"id":"https://openalex.org/G288146629","display_name":null,"funder_award_id":"2018YFB2202500","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G3278956828","display_name":null,"funder_award_id":"61303035","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4359600431","display_name":"\u5f39\u8f7d\u96f7\u8fbe\u5fae\u6ce2\u5173\u8054\u524d\u89c6\u6210\u50cf\u4fe1\u53f7\u5efa\u6a21\u4e0e\u7b97\u6cd5\u7814\u7a76","funder_award_id":"61471283","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4701584307","display_name":null,"funder_award_id":"61001211","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"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1537797750","https://openalex.org/W1880300101","https://openalex.org/W2010122118","https://openalex.org/W2035962965","https://openalex.org/W2047941860","https://openalex.org/W2078625885","https://openalex.org/W2089211915","https://openalex.org/W2095807826","https://openalex.org/W2101961721","https://openalex.org/W2102231043","https://openalex.org/W2109896001","https://openalex.org/W2110955461","https://openalex.org/W2111385421","https://openalex.org/W2118574879","https://openalex.org/W2136182927","https://openalex.org/W2147332078","https://openalex.org/W2151264810","https://openalex.org/W2152336264","https://openalex.org/W2154331202","https://openalex.org/W2165545410","https://openalex.org/W2166947456","https://openalex.org/W2291870248","https://openalex.org/W2322107842","https://openalex.org/W2328933369","https://openalex.org/W2330565001","https://openalex.org/W2501210789","https://openalex.org/W2545525307","https://openalex.org/W2589587914","https://openalex.org/W2609124090","https://openalex.org/W2611987353","https://openalex.org/W2761863523","https://openalex.org/W2780979693","https://openalex.org/W2788346078","https://openalex.org/W2884771131","https://openalex.org/W2946707618","https://openalex.org/W3047718114","https://openalex.org/W3049494114","https://openalex.org/W6781185419","https://openalex.org/W7043599958"],"related_works":["https://openalex.org/W2113162338","https://openalex.org/W2135924691","https://openalex.org/W2766192666","https://openalex.org/W2142179688","https://openalex.org/W4245917453","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W2382300681","https://openalex.org/W1998424290"],"abstract_inverted_index":{"Accurate":[0],"2-D":[1,53,72],"frequency":[2,117,129],"spectrum":[3],"(2-D":[4],"FS)":[5],"with":[6,33],"acceleration,":[7],"two-way":[8],"range":[9,67,78],"coupling":[10],"terms,":[11],"and":[12,71,126,141],"spatial-variant":[13,96,137],"Doppler":[14,97],"parameters":[15],"are":[16],"the":[17,57,111,115,128,134,145,148],"main":[18],"problems":[19],"to":[20,92,119,132],"be":[21],"solved":[22],"in":[23,46,76,114],"translational-variant":[24],"bistatic":[25,77,102],"forward-looking":[26],"synthetic":[27],"aperture":[28],"radar":[29],"(SAR)":[30],"(TV":[31],"BFSAR)":[32],"curved":[34],"trajectory.":[35],"For":[36],"these":[37],"issues,":[38],"a":[39,85],"modified":[40],"omega-K":[41,103],"imaging":[42],"algorithm":[43],"is":[44,63,74,90],"derived":[45],"this":[47],"article.":[48],"The":[49],"maximum":[50],"usage":[51],"of":[52,59,87,95,136,147],"FS":[54,73],"based":[55],"on":[56,110],"method":[58,86,108],"series":[60],"reversion":[61],"(MSR)":[62],"achieved":[64],"by":[65,79],"linear":[66],"cell":[68],"migration":[69],"correction,":[70],"linearized":[75],"using":[80],"high-order":[81],"polynomial":[82],"fitting.":[83],"Then,":[84],"azimuth":[88,116,121],"resampling":[89],"introduced":[91],"implement":[93],"compensation":[94],"parameters.":[98],"Different":[99],"from":[100],"other":[101],"methods,":[104],"our":[105],"newly":[106],"proposed":[107,149],"focuses":[109],"small-aperture":[112],"data":[113,143],"domain":[118],"avoid":[120],"aliasing":[122],"without":[123],"padding":[124],"zeros":[125],"uses":[127],"focusing":[130],"position":[131],"study":[133],"model":[135],"phase.":[138],"Simulation":[139],"results":[140],"real":[142],"verify":[144],"effectiveness":[146],"method.":[150]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}