{"id":"https://openalex.org/W4210675694","doi":"https://doi.org/10.3390/rs14030651","title":"A Novel High-Squint Spotlight SAR Raw Data Simulation Scheme in 2-D Frequency Domain","display_name":"A Novel High-Squint Spotlight SAR Raw Data Simulation Scheme in 2-D Frequency Domain","publication_year":2022,"publication_date":"2022-01-29","ids":{"openalex":"https://openalex.org/W4210675694","doi":"https://doi.org/10.3390/rs14030651"},"language":"en","primary_location":{"id":"doi:10.3390/rs14030651","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030651","pdf_url":"https://www.mdpi.com/2072-4292/14/3/651/pdf?version=1643533833","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/2072-4292/14/3/651/pdf?version=1643533833","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101807912","display_name":"Zhengwei Guo","orcid":"https://orcid.org/0009-0007-6283-5504"},"institutions":[{"id":"https://openalex.org/I173899330","display_name":"Henan University","ror":"https://ror.org/003xyzq10","country_code":"CN","type":"education","lineage":["https://openalex.org/I173899330"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengwei Guo","raw_affiliation_strings":["College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China"],"affiliations":[{"raw_affiliation_string":"College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003202125","display_name":"Zewen Fu","orcid":"https://orcid.org/0009-0004-2936-1755"},"institutions":[{"id":"https://openalex.org/I173899330","display_name":"Henan University","ror":"https://ror.org/003xyzq10","country_code":"CN","type":"education","lineage":["https://openalex.org/I173899330"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zewen Fu","raw_affiliation_strings":["College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China"],"affiliations":[{"raw_affiliation_string":"College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026623256","display_name":"Jike Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I173899330","display_name":"Henan University","ror":"https://ror.org/003xyzq10","country_code":"CN","type":"education","lineage":["https://openalex.org/I173899330"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jike Chang","raw_affiliation_strings":["School of Software, Henan University, Kaifeng 475004, China"],"affiliations":[{"raw_affiliation_string":"School of Software, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007807608","display_name":"Lin Wu","orcid":"https://orcid.org/0000-0002-2211-2965"},"institutions":[{"id":"https://openalex.org/I173899330","display_name":"Henan University","ror":"https://ror.org/003xyzq10","country_code":"CN","type":"education","lineage":["https://openalex.org/I173899330"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Wu","raw_affiliation_strings":["College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China"],"affiliations":[{"raw_affiliation_string":"College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100369025","display_name":"Ning Li","orcid":"https://orcid.org/0000-0002-4358-6449"},"institutions":[{"id":"https://openalex.org/I173899330","display_name":"Henan University","ror":"https://ror.org/003xyzq10","country_code":"CN","type":"education","lineage":["https://openalex.org/I173899330"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Li","raw_affiliation_strings":["College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China"],"affiliations":[{"raw_affiliation_string":"College of Computer and Information Engineering, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Engineering Research Center of Intelligent Technology and Application, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]},{"raw_affiliation_string":"Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China","institution_ids":["https://openalex.org/I173899330"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5026623256"],"corresponding_institution_ids":["https://openalex.org/I173899330"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.4645,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.88642255,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"14","issue":"3","first_page":"651","last_page":"651"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging 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"}},"topics":[{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging 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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9933000206947327,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9886999726295471,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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":0.7692989706993103},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.6337563395500183},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6271304488182068},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.575551450252533},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5754959583282471},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.5552849769592285},{"id":"https://openalex.org/keywords/coordinate-system","display_name":"Coordinate system","score":0.47724342346191406},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.42901933193206787},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.41577446460723877},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32666146755218506},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14024639129638672},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10562944412231445},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08316755294799805}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7692989706993103},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.6337563395500183},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6271304488182068},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.575551450252533},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5754959583282471},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.5552849769592285},{"id":"https://openalex.org/C80551277","wikidata":"https://www.wikidata.org/wiki/Q11210","display_name":"Coordinate system","level":2,"score":0.47724342346191406},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.42901933193206787},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.41577446460723877},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32666146755218506},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14024639129638672},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10562944412231445},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08316755294799805},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14030651","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030651","pdf_url":"https://www.mdpi.com/2072-4292/14/3/651/pdf?version=1643533833","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:f051493c8c6d4be9bb8b778657b26574","is_oa":true,"landing_page_url":"https://doaj.org/article/f051493c8c6d4be9bb8b778657b26574","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 14, Iss 3, p 651 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/3/651/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14030651","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; Volume 14; Issue 3; Pages: 651","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14030651","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030651","pdf_url":"https://www.mdpi.com/2072-4292/14/3/651/pdf?version=1643533833","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":[{"id":"https://metadata.un.org/sdg/11","score":0.4699999988079071,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G4436918378","display_name":null,"funder_award_id":"61871175","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6476322144","display_name":null,"funder_award_id":"41901302","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":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4210675694.pdf","grobid_xml":"https://content.openalex.org/works/W4210675694.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W1968818062","https://openalex.org/W1992530859","https://openalex.org/W1997038906","https://openalex.org/W2021738633","https://openalex.org/W2096003637","https://openalex.org/W2096853382","https://openalex.org/W2119321396","https://openalex.org/W2135277117","https://openalex.org/W2141631790","https://openalex.org/W2151030453","https://openalex.org/W2158711754","https://openalex.org/W2161886880","https://openalex.org/W2320276225","https://openalex.org/W2325032990","https://openalex.org/W2325507499","https://openalex.org/W2340057801","https://openalex.org/W2543998736","https://openalex.org/W2546045479","https://openalex.org/W2756834679","https://openalex.org/W2789830462","https://openalex.org/W2886961304","https://openalex.org/W2892284599","https://openalex.org/W2898548838","https://openalex.org/W2944606783","https://openalex.org/W2949348053","https://openalex.org/W2987031705","https://openalex.org/W3006282673","https://openalex.org/W3046648673","https://openalex.org/W3048444941","https://openalex.org/W3185227975","https://openalex.org/W3193599468","https://openalex.org/W3194855331","https://openalex.org/W3205297347","https://openalex.org/W3216445210","https://openalex.org/W4200516913","https://openalex.org/W6799950792"],"related_works":["https://openalex.org/W2121231792","https://openalex.org/W2767848786","https://openalex.org/W2784218124","https://openalex.org/W2289078701","https://openalex.org/W1866311624","https://openalex.org/W2020555418","https://openalex.org/W3217649658","https://openalex.org/W2119321396","https://openalex.org/W2097619117","https://openalex.org/W3127084382"],"abstract_inverted_index":{"Raw":[0],"data":[1,42,67],"simulation":[2,24,43,73,136],"is":[3,13,26,60,78,94,120],"the":[4,21,30,45,82,99,103,108,112,117,129,138,143,153,156,165],"front-end":[5],"work":[6],"of":[7,14,29,84,114,145,155],"synthetic":[8],"aperture":[9],"radar":[10],"(SAR),":[11],"which":[12],"great":[15],"significance.":[16],"For":[17],"high-squint":[18,38,87],"spotlight":[19,39,88,132],"SAR,":[20],"frequency":[22,46,72,105,134],"domain":[23,135,168],"algorithm":[25,49,63,140,158],"invalid":[27],"because":[28],"range-azimuth":[31],"coupling":[32,100],"effect.":[33],"In":[34],"order":[35],"to":[36,97],"realize":[37,98],"SAR":[40,133],"raw":[41,66],"in":[44,102,163],"domain,":[47],"an":[48],"based":[50],"on":[51],"coordinate":[52,76,91,109],"transformation":[53,77,110],"and":[54,86,147,152],"non-uniform":[55],"fast":[56],"Fourier":[57],"transform":[58],"(NUFFT)":[59],"proposed.":[61],"This":[62],"generates":[64],"broadside":[65,85],"using":[68],"a":[69,125],"two-dimensional":[70],"(2-D)":[71],"algorithm;":[74],"then,":[75],"used":[79],"by":[80],"analyzing":[81],"characteristics":[83],"SAR.":[89],"After":[90],"transformation,":[92],"NUFFT":[93],"carried":[95],"out":[96],"relation":[101],"2-D":[104],"domain.":[106],"Since":[107],"ignores":[111],"influence":[113],"range":[115,118],"walk,":[116],"walk":[119],"compensated":[121],"after":[122],"NUFFT.":[123],"As":[124],"result,":[126],"compared":[127],"with":[128],"traditional":[130,166],"squint":[131],"algorithm,":[137],"proposed":[139,157],"can":[141,159],"improve":[142],"accuracy":[144],"point":[146],"distributed":[148],"target":[149],"imaging":[150],"results,":[151],"efficiency":[154],"be":[160],"significantly":[161],"improved":[162],"contrast":[164],"time":[167],"algorithm.":[169]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}