{"id":"https://openalex.org/W4312559473","doi":"https://doi.org/10.1109/igarss46834.2022.9883535","title":"A PGA and Time Domain Correlation Based Synthetic Bandwidth Method for High Range Resolution SAR System","display_name":"A PGA and Time Domain Correlation Based Synthetic Bandwidth Method for High Range Resolution SAR System","publication_year":2022,"publication_date":"2022-07-17","ids":{"openalex":"https://openalex.org/W4312559473","doi":"https://doi.org/10.1109/igarss46834.2022.9883535"},"language":"en","primary_location":{"id":"doi:10.1109/igarss46834.2022.9883535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883535","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5073062720","display_name":"Tao Tang","orcid":"https://orcid.org/0000-0003-2987-8346"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tao Tang","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University,Beijing,China,100191"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University,Beijing,China,100191","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064218559","display_name":"Lei Cui","orcid":"https://orcid.org/0000-0003-4365-5173"},"institutions":[{"id":"https://openalex.org/I4210088244","display_name":"Shanghai Micro Satellite Engineering Center","ror":"https://ror.org/003cp7918","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210088244"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Cui","raw_affiliation_strings":["Shanghai Institute of Satellite Engineering,Shanghai,China,201100"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute of Satellite Engineering,Shanghai,China,201100","institution_ids":["https://openalex.org/I4210088244"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100704036","display_name":"Pengbo Wang","orcid":"https://orcid.org/0000-0002-6364-9806"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengbo Wang","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University,Beijing,China,100191"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University,Beijing,China,100191","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100332980","display_name":"Jie Chen","orcid":"https://orcid.org/0000-0002-9370-3965"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Chen","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University,Beijing,China,100191"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University,Beijing,China,100191","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090330359","display_name":"Yanan Guo","orcid":"https://orcid.org/0000-0003-4658-7559"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanan Guo","raw_affiliation_strings":["School of Electronics and Information Engineering, Beihang University,Beijing,China,100191"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Beihang University,Beijing,China,100191","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5073062720"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.2777,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.46514718,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1316","last_page":"1319"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9980999827384949,"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":0.9940000176429749,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.8143201470375061},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7416310906410217},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6865352988243103},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5135350227355957},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.45906877517700195},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.43372848629951477},{"id":"https://openalex.org/keywords/autofocus","display_name":"Autofocus","score":0.4149981737136841},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3954891562461853},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3216990828514099},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29542165994644165},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2950478196144104},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18915921449661255},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.145213782787323},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11193197965621948},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07804566621780396}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.8143201470375061},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7416310906410217},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6865352988243103},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5135350227355957},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.45906877517700195},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.43372848629951477},{"id":"https://openalex.org/C103764139","wikidata":"https://www.wikidata.org/wiki/Q210008","display_name":"Autofocus","level":3,"score":0.4149981737136841},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3954891562461853},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3216990828514099},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29542165994644165},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2950478196144104},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18915921449661255},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.145213782787323},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11193197965621948},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07804566621780396},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss46834.2022.9883535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883535","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W2104037349","https://openalex.org/W2171234155","https://openalex.org/W2538022121","https://openalex.org/W2615051259","https://openalex.org/W3022640406"],"related_works":["https://openalex.org/W2763904007","https://openalex.org/W1749329330","https://openalex.org/W2083992722","https://openalex.org/W1755453833","https://openalex.org/W2054220418","https://openalex.org/W3007803710","https://openalex.org/W2557037589","https://openalex.org/W2065642904","https://openalex.org/W2040249954","https://openalex.org/W2545123933"],"abstract_inverted_index":{"Ultra-high":[0],"spatial":[1],"resolution":[2,29],"is":[3,63],"an":[4,64],"important":[5],"development":[6],"direction":[7],"of":[8,42,57,111,135],"spaceborne":[9,101],"synthetic":[10],"aperture":[11],"radar":[12],"(SAR).":[13],"The":[14,27,129],"finer":[15],"the":[16,18,25,33,40,43,46,53,58,94,100,109,133,136],"resolution,":[17],"more":[19],"details":[20],"can":[21],"be":[22],"obtained":[23],"from":[24],"image.":[26],"range":[28,70],"mainly":[30],"depends":[31],"on":[32,99,121],"transmit":[34],"signal":[35],"bandwidth.":[36],"However,":[37],"due":[38,75],"to":[39,67,76],"limitation":[41],"hardware":[44,79],"system,":[45],"traditional":[47],"technologies":[48],"have":[49],"difficulties":[50],"in":[51,78,87],"realizing":[52],"wide":[54],"working":[55],"bandwidth":[56,61],"radar.":[59],"Synthetic":[60],"technology":[62],"effective":[65],"approach":[66],"achieving":[68],"high":[69],"resolution.":[71],"In":[72],"actual":[73],"systems,":[74],"differences":[77],"and":[80,90,114,126],"atmospheric":[81],"transmission":[82],"characteristics,":[83],"there":[84],"are":[85],"errors":[86],"amplitude,":[88],"phase,":[89],"time":[91],"delay":[92],"between":[93],"received":[95],"subband":[96,117],"signals.":[97],"Based":[98],"SAR":[102],"multi-subband":[103],"system":[104],"model,":[105],"this":[106],"paper":[107],"analyzes":[108],"influence":[110],"various":[112],"errors,":[113],"proposes":[115],"a":[116],"splicing":[118],"method":[119],"based":[120],"phase":[122],"gradient":[123],"autofocus":[124],"(PGA)":[125],"time-domain":[127],"correlation.":[128],"simulation":[130],"results":[131],"verify":[132],"effectiveness":[134],"algorithm.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}