{"id":"https://openalex.org/W4395010071","doi":"https://doi.org/10.3390/rs16081470","title":"Impact Analysis and Compensation Methods of Frequency Synchronization Errors in Distributed Geosynchronous Synthetic Aperture Radar","display_name":"Impact Analysis and Compensation Methods of Frequency Synchronization Errors in Distributed Geosynchronous Synthetic Aperture Radar","publication_year":2024,"publication_date":"2024-04-21","ids":{"openalex":"https://openalex.org/W4395010071","doi":"https://doi.org/10.3390/rs16081470"},"language":"en","primary_location":{"id":"doi:10.3390/rs16081470","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16081470","pdf_url":"https://www.mdpi.com/2072-4292/16/8/1470/pdf?version=1713688403","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/16/8/1470/pdf?version=1713688403","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101932055","display_name":"Xiaoying Sun","orcid":"https://orcid.org/0009-0001-7434-1567"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoying Sun","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057963200","display_name":"Leping Chen","orcid":"https://orcid.org/0000-0002-2742-0326"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Leping Chen","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018120961","display_name":"Zhengquan Zhou","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengquan Zhou","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071128296","display_name":"Huagui Du","orcid":"https://orcid.org/0000-0002-6414-7031"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huagui Du","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5107906747","display_name":"Xiaotao Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaotao Huang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5057963200"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":6.5001,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.95653788,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"16","issue":"8","first_page":"1470","last_page":"1470"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9994000196456909,"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":0.9994000196456909,"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":0.9972000122070312,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.7884621620178223},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.703204870223999},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5652127265930176},{"id":"https://openalex.org/keywords/geosynchronous-orbit","display_name":"Geosynchronous orbit","score":0.5651745200157166},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.43869712948799133},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4142118990421295},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3515775799751282},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3433305621147156},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.17515677213668823},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1431690752506256},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.08789747953414917},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08353176712989807}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7884621620178223},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.703204870223999},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5652127265930176},{"id":"https://openalex.org/C94042562","wikidata":"https://www.wikidata.org/wiki/Q472251","display_name":"Geosynchronous orbit","level":3,"score":0.5651745200157166},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43869712948799133},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4142118990421295},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3515775799751282},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3433305621147156},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.17515677213668823},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1431690752506256},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.08789747953414917},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08353176712989807},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs16081470","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16081470","pdf_url":"https://www.mdpi.com/2072-4292/16/8/1470/pdf?version=1713688403","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:d91b0e62ecd14099969ff842acef5c12","is_oa":true,"landing_page_url":"https://doaj.org/article/d91b0e62ecd14099969ff842acef5c12","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":"Remote Sensing, Vol 16, Iss 8, p 1470 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs16081470","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16081470","pdf_url":"https://www.mdpi.com/2072-4292/16/8/1470/pdf?version=1713688403","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8529984546","display_name":null,"funder_award_id":"62101566","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":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4395010071.pdf"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W248852663","https://openalex.org/W1976245468","https://openalex.org/W1988365767","https://openalex.org/W2004483503","https://openalex.org/W2018301928","https://openalex.org/W2025349015","https://openalex.org/W2031858497","https://openalex.org/W2054220418","https://openalex.org/W2081888385","https://openalex.org/W2086545781","https://openalex.org/W2099143455","https://openalex.org/W2100486279","https://openalex.org/W2103833429","https://openalex.org/W2114169008","https://openalex.org/W2116655733","https://openalex.org/W2128578024","https://openalex.org/W2133665494","https://openalex.org/W2159486133","https://openalex.org/W2166947456","https://openalex.org/W2208094502","https://openalex.org/W2373975478","https://openalex.org/W2379674354","https://openalex.org/W2385376217","https://openalex.org/W2390245307","https://openalex.org/W2489760956","https://openalex.org/W2664287480","https://openalex.org/W2800843019","https://openalex.org/W3157540916","https://openalex.org/W4289656162","https://openalex.org/W4312234136","https://openalex.org/W4312321211","https://openalex.org/W4360770699","https://openalex.org/W4383904766","https://openalex.org/W4387445783","https://openalex.org/W4387794750","https://openalex.org/W7054752670"],"related_works":["https://openalex.org/W2743664886","https://openalex.org/W2390201687","https://openalex.org/W1968614671","https://openalex.org/W2023567515","https://openalex.org/W2074347802","https://openalex.org/W2617331287","https://openalex.org/W1952060579","https://openalex.org/W2086927121","https://openalex.org/W4252699458","https://openalex.org/W2031096545"],"abstract_inverted_index":{"Frequency":[0],"synchronization":[1,32,81,95,163],"error,":[2],"as":[3],"one":[4],"of":[5,61,115,119,160,178,196],"the":[6,49,58,79,89,93,113,116,126,138,145,150,158,161,168,176,184,194,197],"inevitable":[7],"technical":[8],"challenges":[9],"in":[10,36,83],"distributed":[11,28,37],"synthetic":[12,55],"aperture":[13,56],"radar":[14],"(SAR),":[15],"has":[16],"different":[17,20],"impacts":[18,114],"on":[19,121,157],"SAR":[21,24,44,66],"systems.":[22,45],"Multi-monostatic":[23],"is":[25,68],"a":[26,62],"typical":[27],"configuration":[29],"where":[30],"frequency":[31,71,80,94,103,162],"errors":[33,104,120],"are":[34,189],"tiny":[35],"airborne":[38],"and":[39,53,105,142,180,199],"low":[40],"earth":[41],"orbit":[42],"(LEO)":[43],"However,":[46],"due":[47],"to":[48,77,183,192],"long":[50,54],"time":[51],"delay":[52],"time,":[57],"imaging":[59,122],"performance":[60],"multi-monostatic":[63],"geosynchronous":[64],"(GEO)":[65],"system":[67],"affected":[69],"by":[70],"oscillator":[72],"errors.":[73],"In":[74],"this":[75,84],"paper,":[76],"investigate":[78],"problem":[82],"configuration,":[85],"we":[86,110,128,165],"firstly":[87],"model":[88],"echo":[90],"signals":[91],"with":[92],"errors,":[96,164],"which":[97,136,173],"can":[98],"be":[99],"divided":[100],"into":[101],"fixed":[102],"random":[106],"phase":[107,146],"noise.":[108],"Secondly,":[109],"talk":[111],"about":[112],"two":[117],"kinds":[118],"performance.":[123],"To":[124],"solve":[125],"problem,":[127],"thirdly":[129],"propose":[130,167],"an":[131],"autofocus":[132],"back-projection":[133],"(ABP)":[134],"algorithm,":[135,172],"adopts":[137],"coordinate":[139],"descent":[140],"method":[141],"iteratively":[143],"adjusts":[144],"error":[147],"estimation":[148],"until":[149],"image":[151],"reaches":[152],"its":[153],"maximum":[154],"sharpness.":[155],"Based":[156],"characteristics":[159],"further":[166],"Node":[169],"ABP":[170,185,198],"(NABP)":[171],"greatly":[174],"reduces":[175],"amount":[177],"storage":[179],"computation":[181],"compared":[182],"algorithm.":[186],"Finally,":[187],"simulations":[188],"carried":[190],"out":[191],"validate":[193],"effectiveness":[195],"NABP":[200],"algorithms.":[201]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}