{"id":"https://openalex.org/W3205685761","doi":"https://doi.org/10.1109/igarss47720.2021.9553973","title":"A Novel Baseband Doppler Centroid Frequency Estimation Method in Multichannel HRWS-SAR System","display_name":"A Novel Baseband Doppler Centroid Frequency Estimation Method in Multichannel HRWS-SAR System","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3205685761","doi":"https://doi.org/10.1109/igarss47720.2021.9553973","mag":"3205685761"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9553973","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553973","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-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/A5035675058","display_name":"He Huang","orcid":"https://orcid.org/0000-0002-9257-8023"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"He Huang","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056609940","display_name":"Penghui Huang","orcid":"https://orcid.org/0000-0002-9153-2111"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Penghui Huang","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102749318","display_name":"Jialian Sheng","orcid":"https://orcid.org/0000-0001-9076-5100"},"institutions":[{"id":"https://openalex.org/I4210105312","display_name":"Shanghai Power Equipment Research Institute","ror":"https://ror.org/01pw44479","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210105312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jialian Sheng","raw_affiliation_strings":["Shanghai Radio Equipment Research Institute, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Radio Equipment Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210105312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108670723","display_name":"Yunkai Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunkai Deng","raw_affiliation_strings":["Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044564436","display_name":"Huaitao Fan","orcid":"https://orcid.org/0000-0002-8041-5358"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huaitao Fan","raw_affiliation_strings":["Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100429161","display_name":"Zhicheng Wang","orcid":"https://orcid.org/0000-0001-5157-3691"},"institutions":[{"id":"https://openalex.org/I4210105312","display_name":"Shanghai Power Equipment Research Institute","ror":"https://ror.org/01pw44479","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210105312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhicheng Wang","raw_affiliation_strings":["Shanghai Radio Equipment Research Institute, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Radio Equipment Research Institute, Shanghai, China","institution_ids":["https://openalex.org/I4210105312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061319150","display_name":"Xingzhao Liu","orcid":"https://orcid.org/0000-0002-4533-3904"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingzhao Liu","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5035675058"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":0.34,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.74199571,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"12","issue":null,"first_page":"1355","last_page":"1358"},"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/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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9933000206947327,"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":0.7943507432937622},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6709107160568237},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5661872029304504},{"id":"https://openalex.org/keywords/centroid","display_name":"Centroid","score":0.5533339381217957},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.5355131030082703},{"id":"https://openalex.org/keywords/doppler-frequency","display_name":"Doppler frequency","score":0.5198795795440674},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5028378367424011},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4875323474407196},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.481735497713089},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.4522186517715454},{"id":"https://openalex.org/keywords/ambiguity-function","display_name":"Ambiguity function","score":0.4407609701156616},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3457474410533905},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3275710344314575},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3147110044956207},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.16491979360580444},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16180118918418884},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.13019874691963196},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.11383882164955139},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07777544856071472},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07189306616783142}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7943507432937622},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6709107160568237},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5661872029304504},{"id":"https://openalex.org/C146599234","wikidata":"https://www.wikidata.org/wiki/Q511093","display_name":"Centroid","level":2,"score":0.5533339381217957},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.5355131030082703},{"id":"https://openalex.org/C2988629262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler frequency","level":3,"score":0.5198795795440674},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5028378367424011},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4875323474407196},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.481735497713089},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.4522186517715454},{"id":"https://openalex.org/C50878840","wikidata":"https://www.wikidata.org/wiki/Q3206297","display_name":"Ambiguity function","level":4,"score":0.4407609701156616},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3457474410533905},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3275710344314575},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3147110044956207},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.16491979360580444},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16180118918418884},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.13019874691963196},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.11383882164955139},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07777544856071472},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07189306616783142},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9553973","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553973","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6927270156","display_name":null,"funder_award_id":"61901442,61801289","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":9,"referenced_works":["https://openalex.org/W1982637204","https://openalex.org/W2067142840","https://openalex.org/W2106905228","https://openalex.org/W2110965352","https://openalex.org/W2138389396","https://openalex.org/W2145348268","https://openalex.org/W2549099839","https://openalex.org/W3214953536","https://openalex.org/W6646018263"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W346905184","https://openalex.org/W2371210781","https://openalex.org/W2897454355","https://openalex.org/W2384868394","https://openalex.org/W2156588120","https://openalex.org/W1996752258","https://openalex.org/W4205240469","https://openalex.org/W3048482912","https://openalex.org/W72837954"],"abstract_inverted_index":{"The":[0,128],"azimuth":[1],"multichannel":[2],"spaceborne":[3],"SAR":[4,20,142],"system":[5,56],"can":[6],"achieve":[7],"the":[8,22,66,73,83,90,102,107,114,121,131,137],"high-resolution":[9,15],"and":[10,16,79,140],"wide-swath":[11],"simultaneously.":[12],"In":[13,42],"a":[14,47,94],"wide":[17],"swath":[18],"(HRWS)":[19],"system,":[21],"Doppler":[23,33,49],"centroid":[24,50],"(DC)":[25],"frequency":[26,51],"estimation":[27,52,112],"is":[28,69,86,98,117,134],"an":[29],"important":[30],"step":[31],"for":[32,54],"ambiguity":[34],"signal":[35],"reconstruction,":[36],"which":[37],"should":[38],"be":[39],"precisely":[40],"estimated.":[41],"this":[43],"paper,":[44],"we":[45],"propose":[46],"novel":[48],"method":[53,116,133],"HRWS-SAR":[55,96],"based":[57,71,100,110],"on":[58,72,101],"modified":[59],"shuffled":[60],"frog":[61],"leafing":[62],"algorithm":[63,85],"(MSFLA).":[64],"Firstly,":[65],"cost":[67],"function":[68],"designed":[70],"average":[74],"power":[75],"difference":[76],"between":[77],"ambiguities":[78],"useful":[80],"signal.":[81],"Then,":[82],"MLSFA":[84],"proposed":[87,115,132],"to":[88],"accomplish":[89],"DC":[91,111],"estimation.":[92],"Finally,":[93],"good":[95],"image":[97],"obtained":[99],"estimated":[103],"DC.":[104],"Compared":[105],"with":[106],"traditional":[108],"time-domain":[109],"methods,":[113],"not":[118],"affected":[119],"by":[120,125,136],"troubled":[122],"cross-terms":[123],"induced":[124],"high-order":[126],"moments.":[127],"effectiveness":[129],"of":[130],"verified":[135],"simulation":[138],"experiments":[139],"real-measured":[141],"data.":[143]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}