{"id":"https://openalex.org/W7222958633","doi":"https://doi.org/10.3390/math14203770","title":"Corrversoria Entropy-Based Ambiguity Functions: Dual Perspective and Applications in Impulsive Noise","display_name":"Corrversoria Entropy-Based Ambiguity Functions: Dual Perspective and Applications in Impulsive Noise","publication_year":2026,"publication_date":"2026-10-17","ids":{"openalex":"https://openalex.org/W7222958633","doi":"https://doi.org/10.3390/math14203770"},"language":"en","primary_location":{"id":"doi:10.3390/math14203770","doi":"https://doi.org/10.3390/math14203770","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14203770","pdf_url":null,"source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","poland-20","russia-white-list-1","vabb-shw"],"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":"Mathematics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/math14203770","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5133799101","display_name":"Wenjing Dou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210093674","display_name":"Zhoukou Normal University","ror":"https://ror.org/00jjkh886","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210093674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjing Dou","raw_affiliation_strings":["School of Computer Science and Technology, Zhoukou Normal University, Zhoukou 466001, China","School of Software, Zhoukou Normal University, Zhoukou 466001, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Zhoukou Normal University, Zhoukou 466001, China","institution_ids":["https://openalex.org/I4210093674"]},{"raw_affiliation_string":"School of Software, Zhoukou Normal University, Zhoukou 466001, China","institution_ids":["https://openalex.org/I4210093674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103276902","display_name":"Sen Li","orcid":"https://orcid.org/0000-0001-6422-1089","observed_orcids":["https://orcid.org/0000-0001-6422-1089","https://orcid.org/0009-0007-0368-2894"]},"institutions":[{"id":"https://openalex.org/I43313876","display_name":"Dalian Maritime University","ror":"https://ror.org/002b7nr53","country_code":"CN","type":"education","lineage":["https://openalex.org/I43313876"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Sen Li","raw_affiliation_strings":["Information Science and Technology College, Dalian Maritime University, Dalian 116026, China"],"raw_orcid":"https://orcid.org/0000-0001-6422-1089","affiliations":[{"raw_affiliation_string":"Information Science and Technology College, Dalian Maritime University, Dalian 116026, China","institution_ids":["https://openalex.org/I43313876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140397476","display_name":"Huiyan Shao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I88372448","display_name":"Dalian Polytechnic University","ror":"https://ror.org/00c7x4a95","country_code":"CN","type":"education","lineage":["https://openalex.org/I88372448"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Huiyan Shao","raw_affiliation_strings":["Basic Teaching Department, Dalian Polytechnic University, Dalian 116034, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Basic Teaching Department, Dalian Polytechnic University, Dalian 116034, China","institution_ids":["https://openalex.org/I88372448"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5128642221","display_name":"Yiting Lin","orcid":"https://orcid.org/0000-0003-4159-3132","observed_orcids":["https://orcid.org/0000-0003-4159-3132"]},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I4405281499","display_name":"University of Electronic Science and Technology of China, Zhongshan Institute","ror":"https://ror.org/04egean62","country_code":"CN","type":"education","lineage":["https://openalex.org/I4405281499"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiting Lin","raw_affiliation_strings":["School of Electronic Information, Zhongshan Institute, University of Electronic Science and Technology of China, Zhongshan 528402, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Information, Zhongshan Institute, University of Electronic Science and Technology of China, Zhongshan 528402, China","institution_ids":["https://openalex.org/I150229711","https://openalex.org/I4405281499"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5103276902","https://openalex.org/A5140397476"],"corresponding_institution_ids":["https://openalex.org/I43313876","https://openalex.org/I88372448"],"apc_list":{"value":2600,"currency":"CHF","value_usd":3137},"apc_paid":{"value":2600,"currency":"CHF","value_usd":3137},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.73614162,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":"20","first_page":"3770","last_page":"3770"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.7064999938011169,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.7064999938011169,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.24160000681877136,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13816","display_name":"Advanced Signal Processing Techniques","score":0.006000000052154064,"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/ambiguity-function","display_name":"ambiguity function","score":0.9020000100135803},{"id":"https://openalex.org/keywords/impulse-noise","display_name":"impulsive noise","score":0.8949999809265137},{"id":"https://openalex.org/keywords/quadratic-time-frequency-distributions","display_name":"quadratic time-frequency distributions","score":0.7760000228881836},{"id":"https://openalex.org/keywords/time-frequency-correlation","display_name":"time-frequency correlation","score":0.972000002861023},{"id":"https://openalex.org/keywords/non-gaussian-noise","display_name":"non-Gaussian noise","score":0.6439999938011169},{"id":"https://openalex.org/keywords/doa-estimation","display_name":"direction of arrival estimation","score":0.8569999933242798},{"id":"https://openalex.org/keywords/time-difference-of-arrival","display_name":"time difference of arrival","score":0.8730000257492065},{"id":"https://openalex.org/keywords/frequency-difference-of-arrival","display_name":"frequency difference of arrival","score":0.996999979019165},{"id":"https://openalex.org/keywords/linear-frequency-modulated-signals","display_name":"linear frequency modulated signals","score":0.9539999961853027},{"id":"https://openalex.org/keywords/non-stationary-signals","display_name":"non-stationary signals","score":0.8140000104904175},{"id":"https://openalex.org/keywords/computational-complexity","display_name":"computational complexity","score":0.656000018119812}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6162999868392944},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.5472000241279602},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5430999994277954},{"id":"https://openalex.org/C50878840","wikidata":"https://www.wikidata.org/wiki/Q3206297","display_name":"Ambiguity function","level":4,"score":0.5322999954223633},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.527400016784668},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.5059000253677368},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4966000020503998},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.42969998717308044},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.4239000082015991},{"id":"https://openalex.org/C112633086","wikidata":"https://www.wikidata.org/wiki/Q381287","display_name":"White noise","level":2,"score":0.4221999943256378},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41280001401901245},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.40380001068115234},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.36970001459121704},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.3540000021457672},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.3197000026702881},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.30649998784065247},{"id":"https://openalex.org/C29265498","wikidata":"https://www.wikidata.org/wiki/Q7047719","display_name":"Noise measurement","level":3,"score":0.2955000102519989},{"id":"https://openalex.org/C127372701","wikidata":"https://www.wikidata.org/wiki/Q16979398","display_name":"Impulse noise","level":3,"score":0.2904999852180481},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.28690001368522644},{"id":"https://openalex.org/C114996537","wikidata":"https://www.wikidata.org/wiki/Q4854529","display_name":"Colors of noise","level":3,"score":0.28439998626708984},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.2786000072956085},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.2743000090122223},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.2605000138282776},{"id":"https://openalex.org/C167981619","wikidata":"https://www.wikidata.org/wiki/Q1685498","display_name":"Cross entropy","level":3,"score":0.2500999867916107}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/math14203770","doi":"https://doi.org/10.3390/math14203770","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14203770","pdf_url":null,"source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","poland-20","russia-white-list-1","vabb-shw"],"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":"Mathematics","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3ab3805229c043bba8dcd07c7858966e","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/3ab3805229c043bba8dcd07c7858966e","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,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Mathematics, Vol 14, Iss 20, p 3770 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/math14203770","doi":"https://doi.org/10.3390/math14203770","is_oa":true,"landing_page_url":"https://doi.org/10.3390/math14203770","pdf_url":null,"source":{"id":"https://openalex.org/S4210192031","display_name":"Mathematics","issn_l":"2227-7390","issn":["2227-7390"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","poland-20","russia-white-list-1","vabb-shw"],"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":"Mathematics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1560724230","https://openalex.org/W2016511909","https://openalex.org/W2032915188","https://openalex.org/W2122480412","https://openalex.org/W2127394248","https://openalex.org/W2130965250","https://openalex.org/W2135160607","https://openalex.org/W2147369034","https://openalex.org/W2161101713","https://openalex.org/W2506306686","https://openalex.org/W2565506608","https://openalex.org/W2914809602","https://openalex.org/W2971449008","https://openalex.org/W3024853581","https://openalex.org/W3084284684","https://openalex.org/W3091814421","https://openalex.org/W3095404110","https://openalex.org/W3096794923","https://openalex.org/W3110707390","https://openalex.org/W3139486854","https://openalex.org/W3185081657","https://openalex.org/W4213309775","https://openalex.org/W4220824560","https://openalex.org/W4220887348","https://openalex.org/W4296047711","https://openalex.org/W4320005542","https://openalex.org/W4389991476","https://openalex.org/W4392697541","https://openalex.org/W4398764902","https://openalex.org/W4405599739","https://openalex.org/W4409889101","https://openalex.org/W4410809691","https://openalex.org/W4415402134","https://openalex.org/W7128160291","https://openalex.org/W7154624660","https://openalex.org/W7160331115","https://openalex.org/W7164829539","https://openalex.org/W7167914409"],"related_works":["https://openalex.org/W4409889101","https://openalex.org/W4296047711","https://openalex.org/W7154624660","https://openalex.org/W4389991476","https://openalex.org/W4413754669","https://openalex.org/W3046196488","https://openalex.org/W2899696614","https://openalex.org/W2127472774","https://openalex.org/W2972044474","https://openalex.org/W4399810518"],"abstract_inverted_index":{"As":[0],"a":[1,19,25,70,94,113,146,159],"classical":[2],"signal":[3,124],"processing":[4],"tool":[5],"based":[6,141],"on":[7,123,142],"second-order":[8],"statistics":[9],"(SOS),":[10],"the":[11,99,109,118,135,143,179,183],"ambiguity":[12,79,85],"function":[13,23],"(AF)":[14],"can":[15],"be":[16],"formulated":[17],"as":[18,69,93,112],"time-frequency":[20,27,100],"correlation":[21,86],"(TFC)":[22],"or":[24],"quadratic":[26],"distribution":[28,80],"(QTFD).":[29],"However,":[30],"AF-based":[31],"methods":[32,137,188],"suffer":[33],"performance":[34,181],"degradation":[35],"in":[36,105,189,195],"impulsive":[37,46,106,121,199],"noise":[38,47,122],"with":[39,197],"non-Gaussian":[40],"characteristics.":[41],"Recent":[42],"studies":[43],"have":[44],"incorporated":[45],"suppression":[48],"techniques":[49],"to":[50],"improve":[51],"robustness,":[52,193],"yet":[53],"achieving":[54],"both":[55],"strong":[56,198],"robustness":[57],"and":[58,82,126,131,158,166,192],"low":[59],"computational":[60,132,190],"complexity":[61,191],"remains":[62],"challenging.":[63],"Drawing":[64],"inspiration":[65],"from":[66],"corrversoria":[67,77,83],"entropy":[68],"similarity":[71],"measure,":[72],"two":[73,136],"new":[74],"AFs,":[75,145],"termed":[76],"entropy-based":[78,84],"(CoVEAD)":[81],"(CoVEAC),":[87],"are":[88,138,174],"proposed.":[89],"The":[90,128],"former":[91],"serves":[92],"robust":[95],"QTFD":[96],"for":[97,151],"characterizing":[98],"features":[101],"of":[102,120,134,163,169,182],"nonstationary":[103],"signals":[104,157],"noise,":[107],"while":[108],"latter":[110],"acts":[111],"generalized":[114],"TFC":[115],"that":[116],"mitigates":[117],"effects":[119],"amplitude":[125],"phase.":[127],"important":[129],"properties":[130],"costs":[133],"discussed.":[139],"Then,":[140],"proposed":[144,184],"direction-of-arrival":[147],"(DOA)":[148],"estimation":[149,172],"algorithm":[150,173],"narrowband":[152],"linear":[153],"frequency":[154,167],"modulated":[155],"(LFM)":[156],"joint":[160],"time":[161],"difference":[162,168],"arrival":[164,170],"(TDOA)":[165],"(FDOA)":[171],"developed.":[175],"Simulation":[176],"results":[177],"demonstrate":[178],"superior":[180],"algorithms":[185],"over":[186],"existing":[187],"particularly":[194],"scenarios":[196],"noise.":[200]},"counts_by_year":[],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2026-10-20T00:00:00"}