{"id":"https://openalex.org/W2980668738","doi":"https://doi.org/10.3390/s19204469","title":"Coherent Noise Suppression Using Adaptive Homomorphic Filtering for Wideband Electromagnetic Imaging System","display_name":"Coherent Noise Suppression Using Adaptive Homomorphic Filtering for Wideband Electromagnetic Imaging System","publication_year":2019,"publication_date":"2019-10-15","ids":{"openalex":"https://openalex.org/W2980668738","doi":"https://doi.org/10.3390/s19204469","mag":"2980668738","pmid":"https://pubmed.ncbi.nlm.nih.gov/31618918"},"language":"en","primary_location":{"id":"doi:10.3390/s19204469","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19204469","pdf_url":"https://www.mdpi.com/1424-8220/19/20/4469/pdf?version=1571134737","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/20/4469/pdf?version=1571134737","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008439849","display_name":"Yanju Zhu","orcid":"https://orcid.org/0000-0002-9715-2515"},"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":"Yanju Zhu","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing 110191, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing 110191, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019234433","display_name":"Shuguo Xie","orcid":"https://orcid.org/0000-0001-9387-9074"},"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":"Shuguo Xie","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing 110191, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing 110191, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5019234433"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":3.5453,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.95435607,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"19","issue":"20","first_page":"4469","last_page":"4469"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9994999766349792,"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":0.9994999766349792,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/gaussian-noise","display_name":"Gaussian noise","score":0.6653887033462524},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.6239950656890869},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6087033152580261},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.5827651619911194},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5299117565155029},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5114949941635132},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.4306928217411041},{"id":"https://openalex.org/keywords/noise-floor","display_name":"Noise floor","score":0.4212286174297333},{"id":"https://openalex.org/keywords/noise-measurement","display_name":"Noise measurement","score":0.41906464099884033},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.4179510772228241},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.34242337942123413},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.33188098669052124},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3312171399593353},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33024102449417114},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.28583839535713196},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24058914184570312},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20266252756118774},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15665319561958313},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.11417883634567261}],"concepts":[{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.6653887033462524},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.6239950656890869},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6087033152580261},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.5827651619911194},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5299117565155029},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5114949941635132},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.4306928217411041},{"id":"https://openalex.org/C187612029","wikidata":"https://www.wikidata.org/wiki/Q17083130","display_name":"Noise floor","level":4,"score":0.4212286174297333},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.41906464099884033},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4179510772228241},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34242337942123413},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33188098669052124},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3312171399593353},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33024102449417114},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.28583839535713196},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24058914184570312},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20266252756118774},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15665319561958313},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.11417883634567261},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s19204469","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19204469","pdf_url":"https://www.mdpi.com/1424-8220/19/20/4469/pdf?version=1571134737","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},{"id":"pmid:31618918","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31618918","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:96539c557df4496583e16dacaabefaaa","is_oa":true,"landing_page_url":"https://doaj.org/article/96539c557df4496583e16dacaabefaaa","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 19, Iss 20, p 4469 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5821300","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6848930","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"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":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/20/4469/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19204469","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":"Sensors","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s19204469","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19204469","pdf_url":"https://www.mdpi.com/1424-8220/19/20/4469/pdf?version=1571134737","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.5799999833106995}],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2904211840","display_name":null,"funder_award_id":"61427803","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4777431832","display_name":null,"funder_award_id":"6142780","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","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/W2980668738.pdf","grobid_xml":"https://content.openalex.org/works/W2980668738.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1585413888","https://openalex.org/W1864576010","https://openalex.org/W1973217014","https://openalex.org/W1975053568","https://openalex.org/W2002122316","https://openalex.org/W2042493958","https://openalex.org/W2080145983","https://openalex.org/W2096433476","https://openalex.org/W2111899019","https://openalex.org/W2160372232","https://openalex.org/W2548712274","https://openalex.org/W2584526915","https://openalex.org/W2793475133","https://openalex.org/W2892986862","https://openalex.org/W2901334969","https://openalex.org/W2904768136","https://openalex.org/W2942570916","https://openalex.org/W2948366127","https://openalex.org/W3122764147","https://openalex.org/W4243529460","https://openalex.org/W6634876549"],"related_works":["https://openalex.org/W2171883273","https://openalex.org/W2082479922","https://openalex.org/W2986378528","https://openalex.org/W3178345791","https://openalex.org/W2092661960","https://openalex.org/W4315777920","https://openalex.org/W2588855097","https://openalex.org/W2739232980","https://openalex.org/W2172265180","https://openalex.org/W2035385568"],"abstract_inverted_index":{"The":[0,93,149,178],"wideband":[1],"electromagnetic":[2,16,100,196],"imaging":[3],"system":[4,214],"using":[5,50],"a":[6,10,56,71],"parabolic":[7],"reflector":[8],"is":[9,37,80,102,106,116,142],"device":[11],"for":[12],"detecting":[13],"and":[14,104,123,183,208],"locating":[15],"interference":[17,23,40],"sources":[18,24],"(EMIS).":[19],"When":[20],"multiple":[21],"coherent":[22,34,47,64,94,113,135,147],"are":[25,152],"detected,":[26],"the":[27,33,46,63,84,98,109,112,119,121,124,131,155,166,181,187,193,213],"confusion":[28],"will":[29],"occur":[30],"due":[31],"to":[32,82,118,145,161,163],"noise":[35,48,60,65,95,114,136],"that":[36,62,108,186],"caused":[38],"by":[39,49,129,154,205],"phenomenons.":[41],"Previous":[42],"works":[43],"have":[44],"removed":[45],"iterative":[51],"techniques,":[52],"but":[53],"they":[54],"face":[55],"limitation":[57],"in":[58,61,70,97,198],"removing":[59],"pattern":[66,115],"changes":[67],"with":[68,219],"frequency":[69,125],"wideband.":[72],"In":[73],"this":[74],"paper,":[75],"an":[76,138],"adaptive":[77,139],"homomorphic":[78],"filtering":[79],"proposed":[81,188],"overcome":[83],"limitations":[85],"of":[86,111,126,134,169,175,180,195,200,212],"conventional":[87,220],"methods":[88],"from":[89],"1":[90],"GHz-6":[91],"GHz.":[92],"existing":[96],"several":[99],"images":[101,197],"studied,":[103],"it":[105],"confirmed":[107],"variation":[110],"related":[117],"position,":[120],"number,":[122],"EMIS.":[127],"Then,":[128],"analyzing":[130],"probability":[132],"density":[133],"intensity,":[137],"Gaussian":[140,170],"filter":[141,150],"carefully":[143],"designed":[144],"remove":[146],"noise.":[148],"parameters":[151],"selected":[153],"minimum":[156],"description":[157],"length":[158],"criterion":[159],"(MDL)":[160],"apply":[162],"compute":[164],"directly":[165],"local":[167],"amount":[168],"smoothing":[171],"at":[172],"each":[173,176],"pixel":[174],"image.":[177],"results":[179],"experiments":[182],"simulations":[184],"demonstrate":[185],"method":[189],"can":[190],"significantly":[191],"improve":[192],"quality":[194],"terms":[199],"maximum":[201],"sidelobe":[202],"level":[203],"(MSL)":[204],"15":[206],"dB":[207],"dynamic":[209],"range":[210],"(DR)":[211],"over":[215],"20":[216],"dB,":[217],"compared":[218],"narrowband":[221],"denoising":[222],"methods.":[223]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}