{"id":"https://openalex.org/W4400523040","doi":"https://doi.org/10.3390/s24144494","title":"Phase Noise Compensation Algorithm for Space-Borne Azimuth Multi-Channel SAR","display_name":"Phase Noise Compensation Algorithm for Space-Borne Azimuth Multi-Channel SAR","publication_year":2024,"publication_date":"2024-07-11","ids":{"openalex":"https://openalex.org/W4400523040","doi":"https://doi.org/10.3390/s24144494","pmid":"https://pubmed.ncbi.nlm.nih.gov/39065890"},"language":"en","primary_location":{"id":"doi:10.3390/s24144494","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144494","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4494/pdf?version=1721209911","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/24/14/4494/pdf?version=1721209911","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017499714","display_name":"Lu Bai","orcid":"https://orcid.org/0000-0003-1242-5412"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Bai","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059660132","display_name":"Wei Xu","orcid":"https://orcid.org/0000-0002-8045-8817"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Xu","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":"https://orcid.org/0000-0002-8045-8817","affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088385860","display_name":"Pingping Huang","orcid":"https://orcid.org/0000-0001-7720-1183"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pingping Huang","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":"https://orcid.org/0000-0001-7720-1183","affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020407070","display_name":"Weixian Tan","orcid":"https://orcid.org/0000-0001-9071-9470"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weixian Tan","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":"https://orcid.org/0000-0001-9071-9470","affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019394758","display_name":"Yaolong Qi","orcid":null},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaolong Qi","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054847210","display_name":"Yuejuan Chen","orcid":"https://orcid.org/0000-0003-1973-2781"},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuejuan Chen","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004897892","display_name":"Zhiqi Gao","orcid":null},"institutions":[{"id":"https://openalex.org/I55654194","display_name":"Inner Mongolia University of Technology","ror":"https://ror.org/05564e019","country_code":"CN","type":"education","lineage":["https://openalex.org/I55654194"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqi Gao","raw_affiliation_strings":["College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Inner Mongolia University of Technology, Hohhot 010051, China","institution_ids":["https://openalex.org/I55654194"]},{"raw_affiliation_string":"Inner Mongolia Key Laboratory of Radar Technology and Application, Hohhot 010051, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5059660132"],"corresponding_institution_ids":["https://openalex.org/I55654194"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.5415,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.91349456,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"24","issue":"14","first_page":"4494","last_page":"4494"},"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":0.9994999766349792,"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":0.9900000095367432,"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/azimuth","display_name":"Azimuth","score":0.7393600940704346},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7057913541793823},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6259959936141968},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6237860918045044},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.597191572189331},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5040056109428406},{"id":"https://openalex.org/keywords/phase-noise","display_name":"Phase noise","score":0.46001100540161133},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4403919279575348},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4216090440750122},{"id":"https://openalex.org/keywords/point-target","display_name":"Point target","score":0.41889864206314087},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.28704124689102173},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24169138073921204},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18617624044418335},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17011016607284546},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14289554953575134},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11627763509750366},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.09112992882728577}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7393600940704346},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7057913541793823},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6259959936141968},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6237860918045044},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.597191572189331},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5040056109428406},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.46001100540161133},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4403919279575348},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4216090440750122},{"id":"https://openalex.org/C2778999744","wikidata":"https://www.wikidata.org/wiki/Q7208292","display_name":"Point target","level":3,"score":0.41889864206314087},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.28704124689102173},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24169138073921204},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18617624044418335},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17011016607284546},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14289554953575134},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11627763509750366},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.09112992882728577},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s24144494","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144494","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4494/pdf?version=1721209911","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:39065890","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/39065890","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:11281115","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/11281115","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC11281115/pdf/sensors-24-04494.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:b41d72690c9e4603a756767727755555","is_oa":true,"landing_page_url":"https://doaj.org/article/b41d72690c9e4603a756767727755555","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 24, Iss 14, p 4494 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s24144494","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24144494","pdf_url":"https://www.mdpi.com/1424-8220/24/14/4494/pdf?version=1721209911","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2736267817","display_name":"\u5927\u692d\u5706\u8f68\u9053\u9ad8\u5206\u5bbd\u6d4bSAR\u4fe1\u53f7\u5efa\u6a21\u4e0e\u4fe1\u53f7\u5904\u7406\u65b9\u6cd5\u7814\u7a76","funder_award_id":"62071258","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7851869412","display_name":null,"funder_award_id":"62201573","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8125685149","display_name":null,"funder_award_id":"U22A2010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8815607453","display_name":"\u4eba\u4f53\u8868\u9762\u7a00\u758f\u67f1\u9762\u9635\u5217\u4e09\u7ef4\u6210\u50cf\u673a\u5236\u4e0e\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61971246","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":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4400523040.pdf"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W2244652959","https://openalex.org/W2401400392","https://openalex.org/W2595769796","https://openalex.org/W2903183636","https://openalex.org/W2963310635","https://openalex.org/W2982069349","https://openalex.org/W3089022355","https://openalex.org/W3126367061","https://openalex.org/W3137061579","https://openalex.org/W4210962586","https://openalex.org/W4322576327","https://openalex.org/W4322743835","https://openalex.org/W4324290423","https://openalex.org/W4380537075","https://openalex.org/W4392405844","https://openalex.org/W6789661011"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2540185829","https://openalex.org/W2610720683","https://openalex.org/W1644874864","https://openalex.org/W1996931616","https://openalex.org/W918608844","https://openalex.org/W2008518276","https://openalex.org/W2032432903","https://openalex.org/W2333865238"],"abstract_inverted_index":{"Azimuth":[0],"multi-channel":[1,25,93],"synthetic":[2],"aperture":[3],"radar":[4,182],"(SAR)":[5],"has":[6,132],"always":[7],"been":[8],"an":[9],"important":[10],"technical":[11],"means":[12],"to":[13,69,146],"achieve":[14],"high-resolution":[15],"wide-swath":[16],"(HRWS)":[17],"SAR":[18,26,51,186],"imaging.":[19],"However,":[20],"in":[21,129,150,163],"the":[22,35,50,55,61,65,70,78,102,106,111,117,121,126,130,140,151,156,164,181,189,192],"space-borne":[23,91],"azimuth":[24,92,165],"system,":[27],"random":[28,85,112,169],"phase":[29,42,62,86,113,127,141,157,170],"noise":[30,43,87,114,128,142,158,171],"will":[31,59],"be":[32],"produced":[33],"during":[34],"operation":[36],"of":[37,44,54,72,77,105,120,191],"each":[38,45,147],"channel":[39,46],"receiver.":[40],"The":[41,167],"is":[47,195],"superimposed":[48],"on":[49],"echo":[52,107],"signal":[53,108],"corresponding":[56,145],"channel,":[57],"which":[58],"cause":[60],"imbalance":[63],"between":[64],"channels":[66],"and":[67,109,134,154,179],"lead":[68],"generation":[71],"false":[73,176],"targets.":[74],"In":[75],"view":[76],"above":[79],"problems,":[80],"this":[81,137],"paper":[82],"proposes":[83],"a":[84,184],"compensation":[88,172],"method":[89,96,138,173,194],"for":[90],"SAR.":[94],"This":[95],"performs":[97],"feature":[98],"decomposition":[99],"by":[100,161,197],"calculating":[101],"covariance":[103],"matrix":[104],"converts":[110],"estimation":[115,143,159],"into":[116],"optimal":[118],"solution":[119],"cost":[122],"function.":[123],"Considering":[124],"that":[125],"receiver":[131],"frequency-dependent":[133],"time-varying":[135],"characteristics,":[136],"calculates":[139],"value":[144,160],"range-frequency":[148],"point":[149],"range":[152],"direction":[153],"obtains":[155],"expectation":[162],"direction.":[166],"proposed":[168],"can":[174],"suppress":[175],"targets":[177],"well":[178],"make":[180],"present":[183],"well-focused":[185],"image.":[187],"Finally,":[188],"usefulness":[190],"suggested":[193],"verified":[196],"simulation":[198],"experiments.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}
