{"id":"https://openalex.org/W4214524846","doi":"https://doi.org/10.3390/s22051781","title":"Channel Phase Calibration for High-Resolution and Wide-Swath SAR Imaging with Doppler Spectrum Sharpness Optimization","display_name":"Channel Phase Calibration for High-Resolution and Wide-Swath SAR Imaging with Doppler Spectrum Sharpness Optimization","publication_year":2022,"publication_date":"2022-02-24","ids":{"openalex":"https://openalex.org/W4214524846","doi":"https://doi.org/10.3390/s22051781","pmid":"https://pubmed.ncbi.nlm.nih.gov/35270946"},"language":"en","primary_location":{"id":"doi:10.3390/s22051781","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051781","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1781/pdf?version=1645710820","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/1424-8220/22/5/1781/pdf?version=1645710820","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044546132","display_name":"Man Zhang","orcid":"https://orcid.org/0000-0001-6763-1219"},"institutions":[{"id":"https://openalex.org/I37987034","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06","country_code":"CN","type":"education","lineage":["https://openalex.org/I37987034"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Man Zhang","raw_affiliation_strings":["School of Electronic and Communication Engineering, Guangzhou University, Guangzhou 510006, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Communication Engineering, Guangzhou University, Guangzhou 510006, China","institution_ids":["https://openalex.org/I37987034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051619894","display_name":"Sha Huan","orcid":"https://orcid.org/0000-0002-9883-7508"},"institutions":[{"id":"https://openalex.org/I37987034","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06","country_code":"CN","type":"education","lineage":["https://openalex.org/I37987034"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Sha Huan","raw_affiliation_strings":["School of Electronic and Communication Engineering, Guangzhou University, Guangzhou 510006, China"],"raw_orcid":"https://orcid.org/0000-0002-9883-7508","affiliations":[{"raw_affiliation_string":"School of Electronic and Communication Engineering, Guangzhou University, Guangzhou 510006, China","institution_ids":["https://openalex.org/I37987034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109582188","display_name":"Zeya Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zeya Zhao","raw_affiliation_strings":["Beijing Institute of Tracking Telementry & Telecommunication, Beijing 100094, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Institute of Tracking Telementry & Telecommunication, Beijing 100094, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100332296","display_name":"Zhibin Wang","orcid":"https://orcid.org/0000-0003-4149-031X"},"institutions":[{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhibin Wang","raw_affiliation_strings":["Beijing Institute of Remote Sensing Satellite, Beijing 100854, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Institute of Remote Sensing Satellite, Beijing 100854, China","institution_ids":["https://openalex.org/I4210166112"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5051619894"],"corresponding_institution_ids":["https://openalex.org/I37987034"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.6022,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.80948206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"22","issue":"5","first_page":"1781","last_page":"1781"},"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":0.9998000264167786,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9799000024795532,"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/remote-sensing","display_name":"Remote sensing","score":0.7407190799713135},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7009022235870361},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.6779749393463135},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.6593574285507202},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6583173274993896},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6338072419166565},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6104831695556641},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5115581154823303},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.4945509135723114},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.4803006052970886},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3131975829601288},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3088808059692383},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23904532194137573},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.18544059991836548},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16304591298103333},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12226861715316772}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7407190799713135},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7009022235870361},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.6779749393463135},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.6593574285507202},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6583173274993896},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6338072419166565},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6104831695556641},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5115581154823303},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4945509135723114},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.4803006052970886},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3131975829601288},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3088808059692383},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23904532194137573},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18544059991836548},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16304591298103333},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12226861715316772},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s22051781","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051781","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1781/pdf?version=1645710820","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:35270946","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35270946","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:doaj.org/article:50690008b0e84ff0b3ee3447bf599bab","is_oa":true,"landing_page_url":"https://doaj.org/article/50690008b0e84ff0b3ee3447bf599bab","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 22, Iss 5, p 1781 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/5/1781/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22051781","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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; Volume 22; Issue 5; Pages: 1781","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8914916","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8914916","pdf_url":null,"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"}],"best_oa_location":{"id":"doi:10.3390/s22051781","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22051781","pdf_url":"https://www.mdpi.com/1424-8220/22/5/1781/pdf?version=1645710820","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/G751557398","display_name":null,"funder_award_id":"No.2900603340","funder_id":"https://openalex.org/F4320328715","funder_display_name":"Guangzhou University"}],"funders":[{"id":"https://openalex.org/F4320328715","display_name":"Guangzhou University","ror":"https://ror.org/05ar8rn06"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4214524846.pdf","grobid_xml":"https://content.openalex.org/works/W4214524846.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1969811075","https://openalex.org/W1977407955","https://openalex.org/W1977957956","https://openalex.org/W2013339724","https://openalex.org/W2017832133","https://openalex.org/W2024796374","https://openalex.org/W2037665665","https://openalex.org/W2048659479","https://openalex.org/W2049430141","https://openalex.org/W2084145081","https://openalex.org/W2093631663","https://openalex.org/W2097233876","https://openalex.org/W2110964282","https://openalex.org/W2128394187","https://openalex.org/W2137570770","https://openalex.org/W2140990782","https://openalex.org/W2141795796","https://openalex.org/W2145348268","https://openalex.org/W2154942201","https://openalex.org/W2158898891","https://openalex.org/W2315851303","https://openalex.org/W2401400392","https://openalex.org/W3214953536","https://openalex.org/W6603099011","https://openalex.org/W6646429180","https://openalex.org/W6654884668"],"related_works":["https://openalex.org/W266844563","https://openalex.org/W2612690400","https://openalex.org/W4312858708","https://openalex.org/W2113330165","https://openalex.org/W2988682366","https://openalex.org/W2923928625","https://openalex.org/W2130107135","https://openalex.org/W2582184946","https://openalex.org/W3130196312","https://openalex.org/W2028390242"],"abstract_inverted_index":{"Channel":[0],"phase":[1,24,85],"calibration":[2,25,49,100],"is":[3,26,68,79],"a":[4,47],"crucial":[5],"issue":[6],"in":[7,29,104],"high":[8],"resolution":[9],"and":[10],"wide":[11],"swath":[12],"(HRWS)":[13],"imagery":[14,38,53],"with":[15],"azimuth":[16],"multi-channel":[17],"synthetic":[18],"aperture":[19],"radar":[20],"(SAR)":[21],"systems.":[22],"Precise":[23],"definitely":[27],"required":[28],"reconstructing":[30],"the":[31,56,64,71,75,83,95,98],"full":[32],"Doppler":[33,59,66],"spectrum":[34,67],"for":[35,50,101],"precise":[36],"HRWS":[37,51,105],"without":[39],"high-level":[40],"ambiguities.":[41],"In":[42],"this":[43],"paper,":[44],"we":[45],"propose":[46],"novel":[48],"SAR":[52,106],"by":[54,88],"optimizing":[55],"reconstructed":[57,65],"unambiguous":[58],"spectrum.":[60],"The":[61],"sharpness":[62],"of":[63,97],"applied":[69],"as":[70],"metric":[72],"to":[73,81],"measure":[74],"unambiguity":[76],"quality,":[77],"which":[78],"maximized":[80],"retrieve":[82],"element":[84],"error":[86],"caused":[87],"channel":[89],"imbalance.":[90],"Real":[91],"data":[92],"experiments":[93],"demonstrate":[94],"performance":[96],"proposed":[99],"ambiguity":[102],"suppression":[103],"imagery.":[107]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}