{"id":"https://openalex.org/W4391547895","doi":"https://doi.org/10.1109/lgrs.2024.3362405","title":"A Novel Real-Time Echo Restoration Algorithm From Ambiguous Signals in High-PRF SAR","display_name":"A Novel Real-Time Echo Restoration Algorithm From Ambiguous Signals in High-PRF SAR","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4391547895","doi":"https://doi.org/10.1109/lgrs.2024.3362405"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2024.3362405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3362405","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/A5043527861","display_name":"Shilin Niu","orcid":"https://orcid.org/0000-0002-3077-6032"},"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":"Shilin Niu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-3077-6032","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006886898","display_name":"Guodong Jin","orcid":"https://orcid.org/0000-0003-2423-412X"},"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":"Guodong Jin","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-2423-412X","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101776260","display_name":"Hanqing Zhang","orcid":"https://orcid.org/0000-0003-0283-1396"},"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":"Hanqing Zhang","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100784062","display_name":"Daiyin Zhu","orcid":"https://orcid.org/0000-0002-5855-8635"},"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":"Daiyin Zhu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-5855-8635","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0149696,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":null,"first_page":"1","last_page":"5"},"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":0.9988999962806702,"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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":0.7940526604652405},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7418128252029419},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.715111494064331},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6394370794296265},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.5911056399345398},{"id":"https://openalex.org/keywords/pulse-repetition-frequency","display_name":"Pulse repetition frequency","score":0.5577260255813599},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.43643414974212646},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4161602258682251},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.40182074904441833},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.31012630462646484},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3064988851547241},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13126423954963684},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11530497670173645}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7940526604652405},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7418128252029419},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.715111494064331},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6394370794296265},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.5911056399345398},{"id":"https://openalex.org/C182862853","wikidata":"https://www.wikidata.org/wiki/Q575887","display_name":"Pulse repetition frequency","level":3,"score":0.5577260255813599},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.43643414974212646},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4161602258682251},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.40182074904441833},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.31012630462646484},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3064988851547241},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13126423954963684},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11530497670173645},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2024.3362405","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3362405","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1948526765","display_name":null,"funder_award_id":"BK20210282","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G3403976290","display_name":null,"funder_award_id":"JCYJ20230807142000001","funder_id":"https://openalex.org/F4320336569","funder_display_name":"Shenzhen Science and Technology Innovation Program"},{"id":"https://openalex.org/G4451793360","display_name":null,"funder_award_id":"NT2023008","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G5708828714","display_name":null,"funder_award_id":"2022M711542","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G6115343161","display_name":null,"funder_award_id":"BCXJ23-07","funder_id":"https://openalex.org/F4320322438","funder_display_name":"Nanjing University of Aeronautics and Astronautics"}],"funders":[{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322438","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null},{"id":"https://openalex.org/F4320336569","display_name":"Shenzhen Science and Technology Innovation Program","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2099658036","https://openalex.org/W2126730357","https://openalex.org/W2128533856","https://openalex.org/W2157982334","https://openalex.org/W2810071754","https://openalex.org/W3017403157","https://openalex.org/W3198591260","https://openalex.org/W4285155611","https://openalex.org/W4292973629","https://openalex.org/W4301621763","https://openalex.org/W4312368282","https://openalex.org/W4312430671","https://openalex.org/W4381938451"],"related_works":["https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W1994788526","https://openalex.org/W2011609146","https://openalex.org/W1915418828","https://openalex.org/W2613451563","https://openalex.org/W1966299760","https://openalex.org/W2007886977"],"abstract_inverted_index":{"Real-time":[0],"echo":[1],"restoration":[2,68],"from":[3],"signals":[4],"containing":[5],"range":[6,105],"ambiguities":[7],"is":[8,34,46,58,73,109],"a":[9,28,49],"technique":[10],"challenge":[11],"for":[12,48],"high":[13],"pulse":[14],"repetition":[15],"frequency":[16],"synthetic":[17],"aperture":[18],"radar":[19],"(SAR).":[20],"In":[21],"this":[22],"letter,":[23],"to":[24,36,60],"ensure":[25],"real-time":[26],"processing,":[27],"novel":[29],"azimuth":[30],"phase":[31],"coding":[32],"scheme":[33,72],"utilized":[35],"realize":[37],"the":[38,63,67,76,90,102,126,130,138,147,152],"processing":[39,131],"of":[40,66],"raw":[41],"data":[42],"in":[43,120],"groups,":[44],"which":[45],"conceived":[47],"conventional":[50,118],"SAR":[51,82],"system.":[52],"Meanwhile,":[53],"an":[54],"advanced":[55],"fast":[56,149],"algorithm":[57,150],"proposed":[59,71,148],"further":[61],"decrease":[62],"computational":[64,121,153],"complexity":[65,122],"processes.":[69],"The":[70,84],"validated":[74],"by":[75,98,155],"simulated":[77],"point-like":[78],"and":[79,101,123,137],"distributed":[80],"targets":[81],"data.":[83],"quantitative":[85],"analysis":[86],"results":[87,127],"show":[88],"that":[89,129],"ambiguous":[91],"signal":[92],"can":[93],"be":[94],"at":[95],"least":[96],"suppressed":[97],"40":[99],"dB":[100],"image":[103],"average":[104],"ambiguity":[106],"separation":[107],"error":[108],"less":[110],"than":[111],"-60":[112],"dB.":[113],"Finally,":[114],"compared":[115],"with":[116],"some":[117],"methods":[119],"memory":[124,139],"cost,":[125],"illustrate":[128],"efficiency":[132,154],"has":[133,142],"been":[134,143],"significantly":[135,144],"improved":[136],"resource":[140],"occupation":[141],"reduced.":[145],"Particularly,":[146],"improves":[151],"about":[156],"80":[157],"times.":[158]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}