{"id":"https://openalex.org/W2732849640","doi":"https://doi.org/10.1109/lgrs.2017.2713938","title":"Azimuth-Variant Phase Error Calibration Technique for Multichannel SAR Systems","display_name":"Azimuth-Variant Phase Error Calibration Technique for Multichannel SAR Systems","publication_year":2017,"publication_date":"2017-07-03","ids":{"openalex":"https://openalex.org/W2732849640","doi":"https://doi.org/10.1109/lgrs.2017.2713938","mag":"2732849640"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2017.2713938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2713938","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/A5056461528","display_name":"Xiaojiang Guo","orcid":"https://orcid.org/0000-0002-5896-3753"},"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":"Xiaojiang Guo","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-5896-3753","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/A5053820108","display_name":"Yesheng Gao","orcid":"https://orcid.org/0000-0002-6254-886X"},"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":"Yesheng Gao","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"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":"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"],"raw_orcid":null,"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":3,"corresponding_author_ids":["https://openalex.org/A5056461528"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":3.2601,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.95666714,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"14","issue":"8","first_page":"1383","last_page":"1387"},"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":0.9997000098228455,"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":0.9984999895095825,"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/azimuth","display_name":"Azimuth","score":0.8978256583213806},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7346868515014648},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6649287939071655},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6525344252586365},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.5576469898223877},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.5422734618186951},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4774094820022583},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.43235641717910767},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33923521637916565},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21059030294418335},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2098524272441864},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12467905879020691},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.101715087890625}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8978256583213806},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7346868515014648},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6649287939071655},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6525344252586365},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.5576469898223877},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.5422734618186951},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4774094820022583},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.43235641717910767},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33923521637916565},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21059030294418335},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2098524272441864},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12467905879020691},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.101715087890625},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2017.2713938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2017.2713938","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":[{"score":0.5699999928474426,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2049430141","https://openalex.org/W2080555455","https://openalex.org/W2093631663","https://openalex.org/W2097233876","https://openalex.org/W2111650247","https://openalex.org/W2128394187","https://openalex.org/W2130678198","https://openalex.org/W2140990782","https://openalex.org/W2141795796","https://openalex.org/W2145348268","https://openalex.org/W2240674916","https://openalex.org/W2401400392","https://openalex.org/W3214953536"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2483195039","https://openalex.org/W2048211457","https://openalex.org/W2281797687","https://openalex.org/W2358411735","https://openalex.org/W4250650723","https://openalex.org/W2611761074","https://openalex.org/W2358598243","https://openalex.org/W2068843146","https://openalex.org/W2462749609"],"abstract_inverted_index":{"Multiple":[0],"azimuth":[1,61],"channels":[2],"are":[3],"usually":[4,38],"employed":[5],"to":[6,121],"overcome":[7],"the":[8,30,46,52,87,91,100,103,107,112,123,127,142,145],"inherent":[9],"limitation":[10],"between":[11],"high":[12],"resolution":[13],"and":[14,50,106,139],"wide":[15],"swath":[16],"in":[17,111],"synthetic":[18],"aperture":[19],"radar":[20],"systems.":[21],"However,":[22],"unavoidable":[23],"channel":[24],"phase":[25,41,54,73,93,101],"errors":[26,42,94],"will":[27],"significantly":[28],"degrade":[29],"performance":[31],"of":[32,102,144],"ambiguity":[33],"suppression.":[34],"Conventional":[35],"calibration":[36,75,88,104,124,129],"methods":[37],"regard":[39],"these":[40],"as":[43,86],"constants":[44],"during":[45],"whole":[47],"observation":[48],"time":[49],"ignore":[51],"azimuth-variant":[53,72,92],"errors,":[55],"which":[56],"may":[57],"not":[58],"totally":[59],"suppress":[60],"ambiguities":[62],"especially":[63],"for":[64],"very":[65],"strong":[66,83],"targets.":[67],"This":[68],"letter":[69],"presents":[70],"an":[71],"error":[74],"technique.":[76,147],"The":[77],"proposed":[78,146],"technique":[79],"first":[80],"selects":[81],"a":[82,116],"point-like":[84],"target":[85],"source.":[89],"Then,":[90],"can":[95],"be":[96],"estimated":[97],"by":[98,133],"comparing":[99],"source":[105,130],"corresponding":[108],"steering":[109],"vector":[110],"range-compressed":[113],"signals.":[114],"Besides,":[115],"preprocessing":[117],"method":[118],"is":[119,131],"presented":[120],"improve":[122],"accuracy":[125],"when":[126],"selected":[128],"affected":[132],"noise":[134],"or":[135],"interferences.":[136],"Theoretical":[137],"analysis":[138],"experiments":[140],"demonstrate":[141],"feasibility":[143]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}