{"id":"https://openalex.org/W2885293501","doi":"https://doi.org/10.3390/rs10081275","title":"Focusing High-Resolution Airborne SAR with Topography Variations Using an Extended BPA Based on a Time/Frequency Rotation Principle","display_name":"Focusing High-Resolution Airborne SAR with Topography Variations Using an Extended BPA Based on a Time/Frequency Rotation Principle","publication_year":2018,"publication_date":"2018-08-13","ids":{"openalex":"https://openalex.org/W2885293501","doi":"https://doi.org/10.3390/rs10081275","mag":"2885293501"},"language":"en","primary_location":{"id":"doi:10.3390/rs10081275","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10081275","pdf_url":"https://www.mdpi.com/2072-4292/10/8/1275/pdf?version=1534168447","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/2072-4292/10/8/1275/pdf?version=1534168447","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113910381","display_name":"Chunhui Lin","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":"Chunhui Lin","raw_affiliation_strings":["National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063101538","display_name":"Shiyang Tang","orcid":"https://orcid.org/0000-0002-9213-0085"},"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":true,"raw_author_name":"Shiyang Tang","raw_affiliation_strings":["National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China"],"raw_orcid":"https://orcid.org/0000-0002-9213-0085","affiliations":[{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079278406","display_name":"Linrang Zhang","orcid":"https://orcid.org/0000-0003-1368-001X"},"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":"Linrang Zhang","raw_affiliation_strings":["National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi\u2019an 710071, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103160139","display_name":"Ping Guo","orcid":"https://orcid.org/0000-0002-6355-5666"},"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":"Ping Guo","raw_affiliation_strings":["College of Communication and Information Engineering, Xi\u2019an University of Science and Technology, Xi\u2019an 710054, China","College of Communication and Information Engineering, Xi'an University of Science and Technology, Xi'an 710054, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Communication and Information Engineering, Xi\u2019an University of Science and Technology, Xi\u2019an 710054, China","institution_ids":["https://openalex.org/I110440473"]},{"raw_affiliation_string":"College of Communication and Information Engineering, Xi'an University of Science and Technology, Xi'an 710054, China","institution_ids":["https://openalex.org/I110440473"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5063101538"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2784},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2784},"fwci":31.9955,"has_fulltext":true,"cited_by_count":18,"citation_normalized_percentile":{"value":0.99173586,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"10","issue":"8","first_page":"1275","last_page":"1275"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9993000030517578,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/computer-science","display_name":"Computer science","score":0.7230142951011658},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6950656175613403},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.5554213523864746},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5385711193084717},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5117704272270203},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.49919986724853516},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.4947938323020935},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49334946274757385},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.4672906994819641},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4510266184806824},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4318818151950836},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3410242199897766},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.17695924639701843},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11687123775482178},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0941777229309082},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06883716583251953}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7230142951011658},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6950656175613403},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.5554213523864746},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5385711193084717},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5117704272270203},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.49919986724853516},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.4947938323020935},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49334946274757385},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4672906994819641},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4510266184806824},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4318818151950836},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3410242199897766},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17695924639701843},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11687123775482178},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0941777229309082},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06883716583251953},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs10081275","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10081275","pdf_url":"https://www.mdpi.com/2072-4292/10/8/1275/pdf?version=1534168447","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:9f85b9431c7e453ba49e63182333dcd9","is_oa":true,"landing_page_url":"https://doaj.org/article/9f85b9431c7e453ba49e63182333dcd9","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 10, Iss 8, p 1275 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/10/8/1275/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs10081275","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":"Remote Sensing","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs10081275","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10081275","pdf_url":"https://www.mdpi.com/2072-4292/10/8/1275/pdf?version=1534168447","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":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.4399999976158142}],"awards":[{"id":"https://openalex.org/G3806177289","display_name":null,"funder_award_id":"61731023","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4580515059","display_name":"\u66f2\u7ebf\u8f68\u8ff9\u8fd0\u52a8\u5e73\u53f0\u5408\u6210\u5b54\u5f84\u96f7\u8fbe(SAR)\u6210\u50cf\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61671361","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5087314973","display_name":null,"funder_award_id":"2016M600768","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G5479641763","display_name":null,"funder_award_id":"61701393","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8361049582","display_name":null,"funder_award_id":"61601343","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"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2885293501.pdf","grobid_xml":"https://content.openalex.org/works/W2885293501.grobid-xml"},"referenced_works_count":48,"referenced_works":["https://openalex.org/W1512065934","https://openalex.org/W1523376772","https://openalex.org/W1927848340","https://openalex.org/W1982027482","https://openalex.org/W1991540602","https://openalex.org/W1995824725","https://openalex.org/W1999182472","https://openalex.org/W2008382864","https://openalex.org/W2026057110","https://openalex.org/W2045446836","https://openalex.org/W2049734132","https://openalex.org/W2050591193","https://openalex.org/W2061078528","https://openalex.org/W2070538293","https://openalex.org/W2081057617","https://openalex.org/W2099248592","https://openalex.org/W2100123951","https://openalex.org/W2101961721","https://openalex.org/W2102710768","https://openalex.org/W2106508418","https://openalex.org/W2107599406","https://openalex.org/W2120024360","https://openalex.org/W2122238582","https://openalex.org/W2132261386","https://openalex.org/W2138863700","https://openalex.org/W2144784770","https://openalex.org/W2147894345","https://openalex.org/W2152897285","https://openalex.org/W2158898891","https://openalex.org/W2159094101","https://openalex.org/W2161208433","https://openalex.org/W2161745552","https://openalex.org/W2168596497","https://openalex.org/W2287155399","https://openalex.org/W2343350169","https://openalex.org/W2462749609","https://openalex.org/W2569925808","https://openalex.org/W2604782053","https://openalex.org/W2612626736","https://openalex.org/W2618474093","https://openalex.org/W2747496554","https://openalex.org/W2759117176","https://openalex.org/W2761106044","https://openalex.org/W2768563621","https://openalex.org/W2788346078","https://openalex.org/W2790649931","https://openalex.org/W2806116673","https://openalex.org/W6663128386"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2782295999","https://openalex.org/W2162306796","https://openalex.org/W1970292246","https://openalex.org/W2016162169","https://openalex.org/W4247952185","https://openalex.org/W1895367623","https://openalex.org/W1642462315","https://openalex.org/W2015118744"],"abstract_inverted_index":{"With":[0],"the":[1,6,18,21,25,57,71,78,96,107,110,115,119,136,140,149,155,159,174,189],"increasing":[2],"requirement":[3],"for":[4,41,73,91],"resolution,":[5],"negligence":[7],"of":[8,20,24,118,139,154,185],"topography":[9,62,85],"variations":[10,86],"causes":[11],"serious":[12],"phase":[13,58,80],"errors,":[14],"which":[15,144],"leads":[16],"to":[17,55,105],"degradation":[19],"focusing":[22,171],"quality":[23],"synthetic":[26],"aperture":[27],"(SAR)":[28],"imagery,":[29],"and":[30,36,133,165],"geometric":[31],"distortion.":[32],"Hence,":[33],"a":[34,99,182],"precise":[35],"fast":[37],"algorithm":[38,52],"is":[39,53,87,103,145],"necessary":[40],"high-resolution":[42,74,92],"airborne":[43,75,93],"SAR.":[44,76,94],"In":[45],"this":[46,123],"paper,":[47],"an":[48,130],"extended":[49],"back-projection":[50,142],"(EBP)":[51],"proposed":[54,160],"compensate":[56],"errors":[59],"caused":[60],"by":[61,84],"variations.":[63],"Three-dimensional":[64],"(3D)":[65],"variation":[66],"will":[67],"be":[68],"processed":[69],"in":[70,89,109,129,148],"time-domain":[72,132,150,166],"Firstly,":[77],"quadratic":[79],"error":[81],"(QPE)":[82],"brought":[83],"analyzed":[88],"detail":[90],"Then,":[95],"key":[97,124],"operation,":[98,102],"time-frequency":[100,116],"rotation":[101,117],"applied":[104,146],"decrease":[106],"samplings":[108],"azimuth":[111,131],"time-domain.":[112],"Just":[113],"like":[114],"conventional":[120,141,190],"two-step":[121],"approach,":[122],"operation":[125],"can":[126,168],"compress":[127],"data":[128],"it":[134,177],"reduces":[135],"computational":[137],"burden":[138],"algorithm,":[143,161],"lastly":[147],"processing.":[151],"The":[152],"results":[153],"simulations":[156],"validate":[157],"that":[158],"including":[162],"frequency-domain":[163],"processing":[164,167],"obtain":[169],"good":[170],"performance.":[172],"At":[173],"same":[175],"time,":[176],"has":[178],"strong":[179],"practicability":[180],"with":[181,188],"small":[183],"amount":[184],"computation,":[186],"compared":[187],"algorithm.":[191]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
