{"id":"https://openalex.org/W3069911376","doi":"https://doi.org/10.1109/tgrs.2020.3014300","title":"Strategy for SAR Imaging Quality Improvement With Low-Precision Sampled Data","display_name":"Strategy for SAR Imaging Quality Improvement With Low-Precision Sampled Data","publication_year":2020,"publication_date":"2020-08-17","ids":{"openalex":"https://openalex.org/W3069911376","doi":"https://doi.org/10.1109/tgrs.2020.3014300","mag":"3069911376"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2020.3014300","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2020.3014300","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5005734123","display_name":"Bo Zhao","orcid":"https://orcid.org/0000-0003-4264-2282"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Bo Zhao","raw_affiliation_strings":["College of Electronic and Information Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108051851","display_name":"Lei Huang","orcid":"https://orcid.org/0000-0002-2024-1130"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Huang","raw_affiliation_strings":["College of Electronic and Information Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015382801","display_name":"Benzhou Jin","orcid":"https://orcid.org/0000-0002-4556-9802"},"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":"Benzhou Jin","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of 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/A5005734123"],"corresponding_institution_ids":["https://openalex.org/I180726961"],"apc_list":null,"apc_paid":null,"fwci":2.4161,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.89072304,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"59","issue":"4","first_page":"3150","last_page":"3160"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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"}}],"keywords":[{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.8746137619018555},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.751487135887146},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6962429881095886},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.49680808186531067},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4479422867298126},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.44356417655944824},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3615806996822357},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33635979890823364},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.099616140127182}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.8746137619018555},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.751487135887146},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6962429881095886},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.49680808186531067},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4479422867298126},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.44356417655944824},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3615806996822357},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33635979890823364},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.099616140127182},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2020.3014300","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2020.3014300","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1601984709","display_name":null,"funder_award_id":"61925108","funder_id":"https://openalex.org/F4320336125","funder_display_name":"National Science Fund for Distinguished Young Scholars"},{"id":"https://openalex.org/G1749136461","display_name":null,"funder_award_id":"61801297","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1959168986","display_name":null,"funder_award_id":"61801302","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2213281607","display_name":null,"funder_award_id":"2016057","funder_id":"https://openalex.org/F4320325571","funder_display_name":"Shenzhen University"},{"id":"https://openalex.org/G5999910146","display_name":null,"funder_award_id":"2019119","funder_id":"https://openalex.org/F4320325571","funder_display_name":"Shenzhen University"},{"id":"https://openalex.org/G6431705132","display_name":null,"funder_award_id":"U1713217","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7281559386","display_name":null,"funder_award_id":"61701528","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7364895546","display_name":null,"funder_award_id":"61601304","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8787193872","display_name":null,"funder_award_id":"61971218","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/F4320325571","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70"},{"id":"https://openalex.org/F4320336125","display_name":"National Science Fund for Distinguished Young Scholars","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1619193472","https://openalex.org/W1806760970","https://openalex.org/W1848673865","https://openalex.org/W1895319729","https://openalex.org/W1912612454","https://openalex.org/W1969191281","https://openalex.org/W1988615572","https://openalex.org/W1996160600","https://openalex.org/W1999728008","https://openalex.org/W2027671518","https://openalex.org/W2033399803","https://openalex.org/W2036977160","https://openalex.org/W2055361960","https://openalex.org/W2060430274","https://openalex.org/W2109808436","https://openalex.org/W2111895931","https://openalex.org/W2121927698","https://openalex.org/W2131742079","https://openalex.org/W2136687709","https://openalex.org/W2146522450","https://openalex.org/W2148041990","https://openalex.org/W2150593711","https://openalex.org/W2152446998","https://openalex.org/W2154979926","https://openalex.org/W2158009796","https://openalex.org/W2169371710","https://openalex.org/W2171012628","https://openalex.org/W2328310555","https://openalex.org/W2585813813","https://openalex.org/W2734839097","https://openalex.org/W2752853694","https://openalex.org/W2774156717","https://openalex.org/W2943733581","https://openalex.org/W2964003909","https://openalex.org/W2987252818","https://openalex.org/W4300223101","https://openalex.org/W6647425771","https://openalex.org/W6676670120"],"related_works":["https://openalex.org/W1539956819","https://openalex.org/W2093152993","https://openalex.org/W1489554298","https://openalex.org/W2378212145","https://openalex.org/W2400327593","https://openalex.org/W1988309121","https://openalex.org/W2100120615","https://openalex.org/W1904724140","https://openalex.org/W3209251257","https://openalex.org/W2396448385"],"abstract_inverted_index":{"It":[0],"has":[1],"been":[2],"proven":[3],"that":[4,128],"the":[5,45,48,56,69,83,92,108,129,133,143,156],"imaging":[6,22,103],"quality":[7,104],"of":[8,24,47,80,94],"1-bit":[9],"quantized":[10],"synthetic":[11],"aperture":[12],"radar":[13],"(SAR)":[14],"data":[15],"can":[16],"be":[17],"improved":[18],"by":[19,43,73],"using":[20],"an":[21],"scheme":[23,100],"a":[25,33,39,161],"single-frequency":[26],"threshold":[27,41,49],"(SFT).":[28],"In":[29,66],"this":[30,64,67],"article,":[31],"such":[32],"quantization":[34,58,75,85,99,109],"model":[35],"is":[36,76,88,111,119,136,160],"specialized":[37],"to":[38,50,90,138,164],"fixed":[40,54],"application":[42],"setting":[44],"frequency":[46],"zero.":[51],"Using":[52],"multiple":[53],"thresholds,":[55],"conventional":[57,134],"schemes":[59],"are":[60],"also":[61,120],"assimilated":[62],"into":[63],"model.":[65],"way,":[68],"performance":[70,95],"degradation":[71],"caused":[72],"low-precision":[74,158],"analyzed":[77],"in":[78,116,142],"terms":[79],"harmonics,":[81],"and":[82,113],"SFT":[84],"(SFTQ)":[86],"strategy":[87],"addressed":[89],"handle":[91],"issue":[93],"degradation.":[96],"The":[97],"proposed":[98,157],"provides":[101],"significant":[102],"improvements,":[105],"especially":[106],"when":[107],"level":[110],"low,":[112],"its":[114],"advantage":[115],"computational":[117],"complexity":[118],"analyzed.":[121],"Simulations":[122],"on":[123],"different":[124],"SAR":[125,144,165],"scenes":[126],"show":[127],"SFTQ,":[130],"compared":[131],"with":[132],"quantizers,":[135],"able":[137],"guarantee":[139],"97%":[140],"information":[141],"imagery":[145],"while":[146],"consuming":[147],"less":[148],"than":[149],"1/6":[150],"hardware":[151],"for":[152],"pulse":[153],"compression.":[154],"Therefore,":[155],"SFTQ":[159],"promising":[162],"approach":[163],"system":[166],"miniaturization.":[167]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}