{"id":"https://openalex.org/W3032965224","doi":"https://doi.org/10.1109/lgrs.2020.2995943","title":"Airborne FMCW SAR Sparse Data Processing via Frequency-Scaling Algorithm","display_name":"Airborne FMCW SAR Sparse Data Processing via Frequency-Scaling Algorithm","publication_year":2020,"publication_date":"2020-06-01","ids":{"openalex":"https://openalex.org/W3032965224","doi":"https://doi.org/10.1109/lgrs.2020.2995943","mag":"3032965224"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2020.2995943","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2995943","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5101568772","display_name":"Hui Bi","orcid":"https://orcid.org/0000-0002-9357-8412"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Bi","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Eduction, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-9357-8412","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Eduction, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015233801","display_name":"Jingjing Zhang","orcid":"https://orcid.org/0000-0003-1180-6002"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjing Zhang","raw_affiliation_strings":["Fudan University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-1180-6002","affiliations":[{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100396024","display_name":"Peng Wang","orcid":"https://orcid.org/0000-0002-3825-6365"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Wang","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Eduction, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3825-6365","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]},{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Eduction, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108551743","display_name":"Guoan Bi","orcid":"https://orcid.org/0000-0002-9011-9181"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Guoan Bi","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-9011-9181","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.1877,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.94655501,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"18","issue":"7","first_page":"1224","last_page":"1228"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9994999766349792,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.8150383234024048},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7727273106575012},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5693567395210266},{"id":"https://openalex.org/keywords/frequency-scaling","display_name":"Frequency scaling","score":0.5629033446311951},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5191444754600525},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.4768865406513214},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4646781086921692},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.463897705078125},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.44881927967071533},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.41396963596343994},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37762606143951416},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3767232298851013},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.37170305848121643},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3053646683692932},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1632048785686493}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.8150383234024048},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7727273106575012},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5693567395210266},{"id":"https://openalex.org/C157742956","wikidata":"https://www.wikidata.org/wiki/Q3237776","display_name":"Frequency scaling","level":3,"score":0.5629033446311951},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5191444754600525},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.4768865406513214},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4646781086921692},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.463897705078125},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.44881927967071533},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.41396963596343994},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37762606143951416},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3767232298851013},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.37170305848121643},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3053646683692932},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1632048785686493},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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":2,"locations":[{"id":"doi:10.1109/lgrs.2020.2995943","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2995943","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/159712","is_oa":false,"landing_page_url":"https://hdl.handle.net/10356/159712","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5899999737739563}],"awards":[{"id":"https://openalex.org/G3020935431","display_name":null,"funder_award_id":"BK20190397","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G6584188986","display_name":null,"funder_award_id":"20182052013","funder_id":"https://openalex.org/F4320322857","funder_display_name":"Aeronautical Science Foundation of China"},{"id":"https://openalex.org/G732173667","display_name":null,"funder_award_id":"61901213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8449398988","display_name":null,"funder_award_id":"NE2020004","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322857","display_name":"Aeronautical Science Foundation of China","ror":"https://ror.org/02wq41p38"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2047042135","https://openalex.org/W2063870433","https://openalex.org/W2073703261","https://openalex.org/W2107664115","https://openalex.org/W2111684260","https://openalex.org/W2113030695","https://openalex.org/W2123498610","https://openalex.org/W2123693211","https://openalex.org/W2126916419","https://openalex.org/W2132042151","https://openalex.org/W2136005975","https://openalex.org/W2159698030","https://openalex.org/W2168110815","https://openalex.org/W2296616510","https://openalex.org/W2585841228","https://openalex.org/W2782890201","https://openalex.org/W2946999306","https://openalex.org/W4250955649"],"related_works":["https://openalex.org/W2142793224","https://openalex.org/W1989804821","https://openalex.org/W2904197056","https://openalex.org/W2371892896","https://openalex.org/W2789229024","https://openalex.org/W2892233029","https://openalex.org/W2759710661","https://openalex.org/W4210638523","https://openalex.org/W604796468","https://openalex.org/W4285814362"],"abstract_inverted_index":{"Using":[0],"the":[1,6,22,25,28,37,46,48,53,58,67,89,96,103,109,114,120,131,135,139,144,151,162],"continuous-wave":[2,10],"technology":[3],"to":[4,35,65,71],"replace":[5],"conventional":[7],"pulse-mode,":[8],"frequency-modulation":[9],"(FMCW)":[11],"synthetic":[12],"aperture":[13],"radar":[14],"(SAR)":[15],"has":[16],"shown":[17],"good":[18],"potentials":[19],"of":[20,24,39,138,149,154],"reducing":[21],"weight":[23],"system":[26,50],"and":[27,42,44],"sensors'":[29],"peak":[30],"transmission":[31],"power.":[32],"In":[33],"order":[34,146],"relax":[36],"requirements":[38],"data":[40,98],"bandwidth":[41],"storage,":[43],"increase":[45],"swath,":[47],"SAR":[49,83,106],"will":[51],"collect":[52],"downsampled":[54,132],"data,":[55],"which":[56],"makes":[57],"traditional":[59],"matched":[60],"filtering":[61],"(MF)-based":[62],"method":[63,86,111,141],"unable":[64],"recover":[66],"considered":[68],"scene,":[69],"leading":[70],"failed":[72],"reconstruction.":[73],"To":[74],"solve":[75],"this":[76,78],"problem,":[77],"letter":[79],"presents":[80],"an":[81],"FMCW":[82,105,163],"sparse":[84,121,152],"imaging":[85,107,153],"based":[87],"on":[88,95],"frequency-scaling":[90],"algorithm":[91],"(FSA).":[92],"Experimental":[93],"results":[94],"real":[97],"show":[99],"that":[100,148],"compared":[101],"with":[102],"MF-based":[104],"algorithms,":[108],"proposed":[110,140],"can":[112,125,157],"improve":[113],"recovered":[115],"image":[116],"performance":[117],"effectively.":[118],"For":[119],"surveillance":[122],"region,":[123],"it":[124],"achieve":[126],"accurate":[127],"recovery":[128],"even":[129],"from":[130],"data.":[133],"Because":[134],"computational":[136],"complexity":[137],"is":[142],"in":[143,161],"same":[145],"as":[147],"MF,":[150],"large-scale":[155],"scenes":[156],"also":[158],"be":[159],"realized":[160],"SAR.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}