{"id":"https://openalex.org/W3033401350","doi":"https://doi.org/10.1109/lgrs.2020.2997947","title":"A Dictionary-Based SAR RFI Suppression Method via Robust PCA and Chirp Scaling Algorithm","display_name":"A Dictionary-Based SAR RFI Suppression Method via Robust PCA and Chirp Scaling Algorithm","publication_year":2020,"publication_date":"2020-06-03","ids":{"openalex":"https://openalex.org/W3033401350","doi":"https://doi.org/10.1109/lgrs.2020.2997947","mag":"3033401350"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2020.2997947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2997947","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/A5047368790","display_name":"Huizhang Yang","orcid":"https://orcid.org/0000-0001-9725-088X"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huizhang Yang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-9725-088X","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103259234","display_name":"Chengzhi Chen","orcid":"https://orcid.org/0000-0003-0937-1994"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengzhi Chen","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031779100","display_name":"Shengyao Chen","orcid":"https://orcid.org/0000-0002-4546-5843"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengyao Chen","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-4546-5843","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055323092","display_name":"Feng Xi","orcid":"https://orcid.org/0000-0002-4170-3023"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Xi","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-4170-3023","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100376842","display_name":"Zhong Liu","orcid":"https://orcid.org/0000-0001-9264-0723"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhong Liu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-9264-0723","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.2412,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.92515298,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"18","issue":"7","first_page":"1229","last_page":"1233"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998000264167786,"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9993000030517578,"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/computer-science","display_name":"Computer science","score":0.7756084203720093},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.7278760671615601},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6863589286804199},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6720000505447388},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.5683542490005493},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5116377472877502},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.4924231767654419},{"id":"https://openalex.org/keywords/k-svd","display_name":"K-SVD","score":0.43719756603240967},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4123848080635071},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.39307329058647156},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29193562269210815},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12423709034919739}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7756084203720093},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.7278760671615601},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6863589286804199},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6720000505447388},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.5683542490005493},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5116377472877502},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.4924231767654419},{"id":"https://openalex.org/C154771677","wikidata":"https://www.wikidata.org/wiki/Q17098361","display_name":"K-SVD","level":3,"score":0.43719756603240967},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4123848080635071},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.39307329058647156},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29193562269210815},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12423709034919739},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2020.2997947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2997947","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/G3686190943","display_name":null,"funder_award_id":"61401210","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4994086164","display_name":null,"funder_award_id":"61671245","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6905834695","display_name":null,"funder_award_id":"61571228","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":28,"referenced_works":["https://openalex.org/W201883964","https://openalex.org/W1549695243","https://openalex.org/W1954149510","https://openalex.org/W1967455454","https://openalex.org/W1992066170","https://openalex.org/W1992437460","https://openalex.org/W2016443216","https://openalex.org/W2046433976","https://openalex.org/W2055452283","https://openalex.org/W2063576608","https://openalex.org/W2072623250","https://openalex.org/W2074769152","https://openalex.org/W2092184683","https://openalex.org/W2100205787","https://openalex.org/W2114000985","https://openalex.org/W2120024360","https://openalex.org/W2132996847","https://openalex.org/W2145962650","https://openalex.org/W2164441276","https://openalex.org/W2329548976","https://openalex.org/W2432161044","https://openalex.org/W2744575051","https://openalex.org/W2887499806","https://openalex.org/W2934254553","https://openalex.org/W2967300061","https://openalex.org/W2969382431","https://openalex.org/W2969860805","https://openalex.org/W2981622218"],"related_works":["https://openalex.org/W2099321050","https://openalex.org/W2890952311","https://openalex.org/W2509955295","https://openalex.org/W2047275718","https://openalex.org/W2034957211","https://openalex.org/W2388952560","https://openalex.org/W110819671","https://openalex.org/W2149282631","https://openalex.org/W2204991413","https://openalex.org/W2011611369"],"abstract_inverted_index":{"Synthetic":[0],"aperture":[1],"radar":[2,54],"(SAR)":[3],"is":[4,34,76,163,194,209],"an":[5,132,191],"important":[6],"imaging":[7,13],"tool":[8],"in":[9,71],"many":[10],"applications.":[11],"Its":[12],"quality":[14],"can":[15,47],"be":[16,48],"easily":[17],"degraded":[18],"by":[19,126,166,184],"radio-frequency":[20],"interferences":[21],"(RFIs),":[22],"among":[23],"which":[24,75,108],"the":[25,37,51,66,72,106,115,137,148,157,160,170,186,198,206],"narrowband":[26,38,215],"ones":[27],"are":[28,176],"typical.":[29],"In":[30,156],"recent":[31],"years,":[32],"it":[33],"shown":[35],"that":[36,83,205],"RFI":[39,216],"has":[40],"a":[41,85,89,97,142,167],"low-rank":[42],"property":[43,46],"and":[44,122,140,169,173,211],"this":[45,129],"combined":[49],"with":[50,88],"sparsity":[52],"of":[53,68,150,181],"echoes'":[55],"to":[56,101],"develop":[57],"efficient":[58,111,192,212],"RFI-suppression":[59,145],"algorithms.":[60],"However,":[61],"these":[62,127],"works":[63,95],"usually":[64],"consider":[65],"case":[67],"sparse":[69,103],"echoes":[70],"impulse-based":[73],"radar,":[74],"not":[77],"suitable":[78],"for":[79,105,136,196,213],"typical":[80],"SAR":[81,144,214],"systems":[82],"use":[84],"chirp":[86,187],"signal":[87],"relatively":[90],"long":[91],"pulse":[92],"duration.":[93],"Some":[94],"adopt":[96],"large":[98,116],"2-D":[99],"dictionary":[100,117,139],"introduce":[102],"representation":[104],"echoes,":[107],"nevertheless":[109],"lack":[110],"numerical":[112],"algorithms,":[113],"because":[114],"brings":[118],"high":[119],"storage":[120],"cost":[121],"computational":[123],"burden.":[124],"Motivated":[125],"problems,":[128],"letter":[130],"introduces":[131],"operator":[133],"modeling":[134],"approach":[135],"echo":[138,162],"proposes":[141],"dictionary-based":[143,199],"method":[146,208],"under":[147],"framework":[149],"robust":[151,210],"principle":[152],"component":[153],"analysis":[154,172],"(RPCA).":[155],"proposed":[158,207],"method,":[159],"useful":[161],"sparsely":[164],"represented":[165],"dictionary,":[168],"dictionary's":[171],"synthesis":[174],"operators":[175],"modeled":[177],"as":[178],"two":[179],"sequences":[180],"low-cost":[182],"operations":[183],"exploiting":[185],"scaling":[188],"algorithm.":[189],"Then,":[190],"algorithm":[193],"derived":[195],"solving":[197],"RPCA":[200],"problem.":[201],"Numerical":[202],"simulations":[203],"show":[204],"suppression.":[217]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}