{"id":"https://openalex.org/W2901613460","doi":"https://doi.org/10.1109/igarss.2018.8518187","title":"The FPGA Implementation of Real-Time Spotlight SAR Imaging","display_name":"The FPGA Implementation of Real-Time Spotlight SAR Imaging","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901613460","doi":"https://doi.org/10.1109/igarss.2018.8518187","mag":"2901613460"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8518187","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518187","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 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/A5100317994","display_name":"Wei Li","orcid":"https://orcid.org/0000-0001-7015-7335"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Li","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101621950","display_name":"Zhiwei Xu","orcid":"https://orcid.org/0000-0001-8283-6095"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiwei Xu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002014355","display_name":"Daiyin Zhu","orcid":null},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Daiyin Zhu","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics of Ministry of Education, Nanjing University Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100317994"],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":2.2179,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.89137856,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9588000178337097,"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":0.9588000178337097,"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":0.9415000081062317,"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"}},{"id":"https://openalex.org/T13579","display_name":"Image and Video Stabilization","score":0.9077000021934509,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.7903338074684143},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7483763694763184},{"id":"https://openalex.org/keywords/sinc-function","display_name":"Sinc function","score":0.6244261860847473},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6046096086502075},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.45848602056503296},{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.45812827348709106},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4574339985847473},{"id":"https://openalex.org/keywords/lookup-table","display_name":"Lookup table","score":0.4435693621635437},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42602938413619995},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3038899302482605},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2864321172237396},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1664363443851471},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.145381897687912}],"concepts":[{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.7903338074684143},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7483763694763184},{"id":"https://openalex.org/C152303783","wikidata":"https://www.wikidata.org/wiki/Q855949","display_name":"Sinc function","level":2,"score":0.6244261860847473},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6046096086502075},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.45848602056503296},{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.45812827348709106},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4574339985847473},{"id":"https://openalex.org/C134835016","wikidata":"https://www.wikidata.org/wiki/Q690265","display_name":"Lookup table","level":2,"score":0.4435693621635437},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42602938413619995},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3038899302482605},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2864321172237396},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1664363443851471},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.145381897687912},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2018.8518187","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518187","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1603032031","https://openalex.org/W2115545510","https://openalex.org/W2312316514","https://openalex.org/W2314405365","https://openalex.org/W2329324809","https://openalex.org/W2563707906","https://openalex.org/W2601883373","https://openalex.org/W2602550360","https://openalex.org/W6643604753","https://openalex.org/W6735762421"],"related_works":["https://openalex.org/W1979693299","https://openalex.org/W2184738069","https://openalex.org/W2117300767","https://openalex.org/W2024574431","https://openalex.org/W2965175142","https://openalex.org/W2374017528","https://openalex.org/W4285503609","https://openalex.org/W2126248441","https://openalex.org/W2414513891","https://openalex.org/W2358974509"],"abstract_inverted_index":{"To":[0],"satisfy":[1],"the":[2,14,40,48,52,62,72,81,98,117,131],"demand":[3],"of":[4,13],"SAR":[5],"real":[6],"time":[7],"imaging":[8],"and":[9,28,51,55,77,92,106],"improve":[10],"processing":[11],"efficiency":[12],"polar":[15],"format":[16],"algorithm.":[17],"In":[18],"this":[19],"paper,":[20],"PFA":[21],"is":[22,31,75,90,114],"implemented":[23],"by":[24,33,123],"twice":[25],"SINC":[26,29],"interpolation,":[27],"interpolation":[30,82,100],"realized":[32],"parallel":[34,88],"structure":[35,89],"block":[36,63],"RAM":[37,64],"group.":[38],"First,":[39],"floating":[41],"point":[42],"sampling":[43],"coordinates":[44],"are":[45,59],"converted":[46],"to":[47,79,94],"fixed":[49],"point,":[50],"raw":[53,73],"data":[54,74],"coordinate's":[56,67],"fractional":[57],"part":[58],"written":[60],"into":[61],"group":[65],"with":[66],"integer":[68],"as":[69],"address.":[70],"Finally":[71],"weighted":[76],"summed":[78],"gain":[80],"result":[83],"in":[84],"a":[85],"clock.":[86],"The":[87,112],"simple":[91],"easy":[93],"implement,":[95],"pipelined":[96],"output":[97],"result,":[99],"points":[101],"can":[102,120],"be":[103],"down":[104],"compatible,":[105],"resource":[107],"utilization":[108],"will":[109],"not":[110],"increase.":[111],"system":[113,132],"built":[115],"on":[116],"VC690T,":[118],"it":[119],"process":[121],"8k":[122,124],"complex-image":[125],"single-precision":[126],"floating-point":[127],"within":[128],"0.79s,":[129],"when":[130],"works":[133],"at":[134],"200MHz.":[135]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
