{"id":"https://openalex.org/W3205123515","doi":"https://doi.org/10.1109/tgrs.2021.3119457","title":"A Robust Image-Domain Subspace-Based Channel Error Calibration and Postimaging Reconstruction Algorithm for Multiple Azimuth Channels SAR","display_name":"A Robust Image-Domain Subspace-Based Channel Error Calibration and Postimaging Reconstruction Algorithm for Multiple Azimuth Channels SAR","publication_year":2021,"publication_date":"2021-10-13","ids":{"openalex":"https://openalex.org/W3205123515","doi":"https://doi.org/10.1109/tgrs.2021.3119457","mag":"3205123515"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2021.3119457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3119457","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5053978252","display_name":"Jixiang Xiang","orcid":"https://orcid.org/0000-0002-8187-4927"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jixiang Xiang","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0002-8187-4927","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076178410","display_name":"Guang\u2010Cai Sun","orcid":"https://orcid.org/0000-0002-6482-0863"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guang-Cai Sun","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0002-6482-0863","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101751749","display_name":"Zijing Zhang","orcid":"https://orcid.org/0000-0002-1935-7048"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zijing Zhang","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101957206","display_name":"Yu Zhang","orcid":"https://orcid.org/0000-0003-3900-7173"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhang","raw_affiliation_strings":["Academy of Advanced Interdisciplinary Research, Xidian University, Xian, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Academy of Advanced Interdisciplinary Research, Xidian University, Xian, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069183156","display_name":"Xiaojie Ding","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojie Ding","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021408538","display_name":"Mengdao Xing","orcid":"https://orcid.org/0000-0002-4084-0915"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengdao Xing","raw_affiliation_strings":["Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China"],"raw_orcid":"https://orcid.org/0000-0002-4084-0915","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101630794","display_name":"Jun Yang","orcid":"https://orcid.org/0000-0003-3717-5077"},"institutions":[{"id":"https://openalex.org/I110440473","display_name":"Xi'an University of Science and Technology","ror":"https://ror.org/046fkpt18","country_code":"CN","type":"education","lineage":["https://openalex.org/I110440473"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Yang","raw_affiliation_strings":["College of Geomatics, Xi\u2019an University of Science and Technology, Xi\u2019an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geomatics, Xi\u2019an University of Science and Technology, Xi\u2019an, China","institution_ids":["https://openalex.org/I110440473"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":10.676,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.97603044,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"60","issue":null,"first_page":"1","last_page":"18"},"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":0.9986000061035156,"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":0.9983999729156494,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7171007394790649},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.711650550365448},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6349331140518188},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.5744628310203552},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5704318284988403},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.521759569644928},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5180695056915283},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.49991369247436523},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.49930715560913086},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.4846420884132385},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4399900734424591},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.42045271396636963},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.41216063499450684},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.40864938497543335},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2589920163154602},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.24310770630836487},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1669916808605194},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09994122385978699}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7171007394790649},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.711650550365448},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6349331140518188},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.5744628310203552},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5704318284988403},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.521759569644928},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5180695056915283},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.49991369247436523},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.49930715560913086},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.4846420884132385},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4399900734424591},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.42045271396636963},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.41216063499450684},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.40864938497543335},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2589920163154602},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.24310770630836487},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1669916808605194},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09994122385978699},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"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/tgrs.2021.3119457","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3119457","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2852784959","display_name":null,"funder_award_id":"61404130124","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3746249810","display_name":null,"funder_award_id":"61931025","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5505923119","display_name":null,"funder_award_id":"61825105","funder_id":"https://openalex.org/F4320336125","funder_display_name":"National Science Fund for Distinguished Young Scholars"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320330207","display_name":"Shanghai Aerospace Science and Technology Innovation Foundation","ror":null},{"id":"https://openalex.org/F4320336125","display_name":"National Science Fund for Distinguished Young Scholars","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1985053641","https://openalex.org/W1991540602","https://openalex.org/W1991674608","https://openalex.org/W1999204714","https://openalex.org/W2009667283","https://openalex.org/W2017916240","https://openalex.org/W2080555455","https://openalex.org/W2093631663","https://openalex.org/W2097233876","https://openalex.org/W2111650247","https://openalex.org/W2111990836","https://openalex.org/W2113777273","https://openalex.org/W2121266666","https://openalex.org/W2124745475","https://openalex.org/W2125001275","https://openalex.org/W2128394187","https://openalex.org/W2128960312","https://openalex.org/W2131227606","https://openalex.org/W2140990782","https://openalex.org/W2141795796","https://openalex.org/W2145348268","https://openalex.org/W2150329365","https://openalex.org/W2171234155","https://openalex.org/W2318689348","https://openalex.org/W2401400392","https://openalex.org/W2538224178","https://openalex.org/W2608496175","https://openalex.org/W2732849640","https://openalex.org/W2891675019","https://openalex.org/W2894789985","https://openalex.org/W3045584198","https://openalex.org/W3048838410","https://openalex.org/W3119040815","https://openalex.org/W3189937273","https://openalex.org/W4229653900","https://openalex.org/W6601632824","https://openalex.org/W6632148371"],"related_works":["https://openalex.org/W2132236241","https://openalex.org/W2165085185","https://openalex.org/W2115641108","https://openalex.org/W3130330999","https://openalex.org/W3146049929","https://openalex.org/W2535983537","https://openalex.org/W201692606","https://openalex.org/W2141567657","https://openalex.org/W4312613003","https://openalex.org/W2070636231"],"abstract_inverted_index":{"High":[0],"resolution":[1],"and":[2,36,54,63,69,75,98,134,142],"wide-swath":[3],"imaging":[4,130],"always":[5],"suffer":[6],"channel":[7,24,60,73,132],"errors":[8,77],"of":[9,49,153],"the":[10,58,90,99,137,151,154],"multiple":[11],"azimuth":[12],"channels":[13],"(MACs)":[14],"synthesis":[15],"aperture":[16],"radar":[17],"(SAR).":[18],"This":[19],"article":[20],"presents":[21],"an":[22],"image-domain":[23],"error":[25,61],"estimation":[26,62],"algorithm":[27,40],"based":[28,80],"on":[29,81],"image":[30,82],"subspace":[31,83,100],"least":[32],"square":[33],"(ISP-LS)":[34],"method":[35,46,101,123],"a":[37,107,112,120],"postimaging":[38,67,121],"reconstruction":[39,68,122],"for":[41,124],"MACs":[42],"SAR.":[43],"The":[44,72],"proposed":[45,155],"mainly":[47],"consists":[48],"three":[50],"parts:":[51],"first,":[52],"preprocessing":[53],"SAR":[55,85,96,139,145],"imaging;":[56],"second,":[57],"ISP-LS-based":[59],"calibration":[64],"algorithm;":[65],"third,":[66],"ambiguity":[70,125],"suppression.":[71],"phase":[74],"baseline":[76],"are":[78,147],"joint-estimated":[79],"after":[84],"imaging,":[86],"providing":[87],"advantages":[88],"that":[89],"higher":[91],"signal-to-noise":[92],"ratio":[93],"(SNR)":[94],"regions":[95],"images":[97],"can":[102,128],"be":[103],"used":[104],"to":[105,149],"achieve":[106],"more":[108],"accurate":[109],"estimate":[110],"with":[111],"relatively":[113],"low":[114],"computational":[115],"load.":[116],"We":[117],"also":[118],"propose":[119],"suppression,":[126],"which":[127],"realize":[129],"each":[131],"data":[133,146],"then":[135],"combining":[136],"multichannel":[138],"images.":[140],"Simulated":[141],"acquired":[143],"airborne":[144],"processed":[148],"demonstrate":[150],"effectiveness":[152],"method.":[156]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}