{"id":"https://openalex.org/W4401325927","doi":"https://doi.org/10.1109/lsp.2024.3438089","title":"Cross-Terms and Spectral Leakage Minimization in Time-Frequency Distribution","display_name":"Cross-Terms and Spectral Leakage Minimization in Time-Frequency Distribution","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4401325927","doi":"https://doi.org/10.1109/lsp.2024.3438089"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2024.3438089","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2024.3438089","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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/A5045699029","display_name":"Zahra Seddighi","orcid":"https://orcid.org/0009-0005-4100-3990"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Zahra Seddighi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053883956","display_name":"Mohammad Reza Taban","orcid":"https://orcid.org/0000-0002-8154-7440"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Reza Taban","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025079359","display_name":"Saeed Gazor","orcid":"https://orcid.org/0000-0003-4368-6682"},"institutions":[{"id":"https://openalex.org/I204722609","display_name":"Queen's University","ror":"https://ror.org/02y72wh86","country_code":"CA","type":"education","lineage":["https://openalex.org/I204722609"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Saeed Gazor","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Queen&#x0027;s University, Kingston, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Queen&#x0027;s University, Kingston, ON, Canada","institution_ids":["https://openalex.org/I204722609"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5045699029"],"corresponding_institution_ids":["https://openalex.org/I170013655"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13395438,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":null,"first_page":"2025","last_page":"2029"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.996999979019165,"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"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.996999979019165,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9934999942779541,"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"}},{"id":"https://openalex.org/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/leakage","display_name":"Leakage (economics)","score":0.5757906436920166},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5441837906837463},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5426315665245056},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.5204070806503296},{"id":"https://openalex.org/keywords/spectral-leakage","display_name":"Spectral leakage","score":0.5201833248138428},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3713409900665283},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3119318187236786},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2961920499801636},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2186514437198639}],"concepts":[{"id":"https://openalex.org/C2777042071","wikidata":"https://www.wikidata.org/wiki/Q6509304","display_name":"Leakage (economics)","level":2,"score":0.5757906436920166},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5441837906837463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5426315665245056},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.5204070806503296},{"id":"https://openalex.org/C113407356","wikidata":"https://www.wikidata.org/wiki/Q1431214","display_name":"Spectral leakage","level":3,"score":0.5201833248138428},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3713409900665283},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3119318187236786},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2961920499801636},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2186514437198639},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2024.3438089","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2024.3438089","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1516521034","https://openalex.org/W1971992489","https://openalex.org/W1995034601","https://openalex.org/W2062487357","https://openalex.org/W2125534795","https://openalex.org/W2126133656","https://openalex.org/W2130084903","https://openalex.org/W2140147143","https://openalex.org/W2140268786","https://openalex.org/W2156439126","https://openalex.org/W2277068403","https://openalex.org/W2588494667","https://openalex.org/W2605327034","https://openalex.org/W2623047318","https://openalex.org/W2792237581","https://openalex.org/W2971230710","https://openalex.org/W2986282584","https://openalex.org/W3106793101","https://openalex.org/W3135420869","https://openalex.org/W3164058107","https://openalex.org/W3197359872","https://openalex.org/W4385453013","https://openalex.org/W4390650346","https://openalex.org/W4391309435","https://openalex.org/W4395028298","https://openalex.org/W6697059225"],"related_works":["https://openalex.org/W2150808938","https://openalex.org/W1842766436","https://openalex.org/W2944231375","https://openalex.org/W2149876401","https://openalex.org/W2765180763","https://openalex.org/W1538021949","https://openalex.org/W4281655535","https://openalex.org/W2290253304","https://openalex.org/W2548713147","https://openalex.org/W2365172099"],"abstract_inverted_index":{"Non-stationary":[0],"signals":[1],"in":[2,7,35,82,92],"several":[3],"applications":[4],"appear":[5],"sparse":[6],"the":[8,36,42,83,101],"time-frequency":[9],"(TF)":[10],"domain.":[11,38,85],"In":[12],"this":[13,27],"letter,":[14],"we":[15],"optimize":[16],"a":[17],"quadratic":[18],"TF":[19,84],"distribution":[20],"(QTFD)":[21],"versus":[22],"its":[23],"kernel":[24],"by":[25,29,56],"exploiting":[26],"property":[28],"maximizing":[30],"power":[31],"per":[32],"nonzero":[33],"components":[34],"TFD":[37,88],"This":[39,52],"approach":[40],"reduces":[41],"number":[43],"of":[44,61],"large":[45],"cross-terms":[46],"(CTs)":[47],"values":[48],"while":[49],"preserving":[50],"auto-terms.":[51],"optimization":[53],"is":[54],"conducted":[55],"introducing":[57],"an":[58],"efficient":[59],"approximation":[60],"<inline-formula":[62,68],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[63,69],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[64,70],"notation=\"LaTeX\">$\\ell":[65,71],"_{0}$</tex-math></inline-formula>":[66],"and":[67,80,97],"_{1}$</tex-math></inline-formula>":[72],"norm":[73],"without":[74],"any":[75],"assumption":[76],"about":[77],"auto-terms'":[78],"locations":[79],"CTs":[81,99],"The":[86],"proposed":[87],"exhibits":[89],"superior":[90],"performance":[91],"instantaneous":[93],"frequency":[94],"(IF)":[95],"estimation":[96],"fewer":[98],"than":[100],"state-of-the-art":[102],"TFDs.":[103]},"counts_by_year":[],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
