{"id":"https://openalex.org/W1561146590","doi":"https://doi.org/10.1109/icassp.1985.1168363","title":"Properties of the positive time-frequency distribution functions","display_name":"Properties of the positive time-frequency distribution functions","publication_year":2005,"publication_date":"2005-03-23","ids":{"openalex":"https://openalex.org/W1561146590","doi":"https://doi.org/10.1109/icassp.1985.1168363","mag":"1561146590"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.1985.1168363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1985.1168363","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '85. IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5075323915","display_name":"Leon Cohen","orcid":"https://orcid.org/0000-0002-7589-2491"},"institutions":[{"id":"https://openalex.org/I169521973","display_name":"University of New Mexico","ror":"https://ror.org/05fs6jp91","country_code":"US","type":"education","lineage":["https://openalex.org/I169521973"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"L. Cohen","raw_affiliation_strings":["Center for Advanced Studies, University of New Mexico, Albuquerque, NM, USA","**University of New Mexico, Albuquerque, New Mexico"],"affiliations":[{"raw_affiliation_string":"Center for Advanced Studies, University of New Mexico, Albuquerque, NM, USA","institution_ids":["https://openalex.org/I169521973"]},{"raw_affiliation_string":"**University of New Mexico, Albuquerque, New Mexico","institution_ids":["https://openalex.org/I169521973"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5075323915"],"corresponding_institution_ids":["https://openalex.org/I169521973"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.06306333,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":null,"first_page":"548","last_page":"551"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9828000068664551,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9828000068664551,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.9745000004768372,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11236","display_name":"Control Systems and Identification","score":0.9559000134468079,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.6238691210746765},{"id":"https://openalex.org/keywords/joint-probability-distribution","display_name":"Joint probability distribution","score":0.5460683107376099},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5205118060112},{"id":"https://openalex.org/keywords/distribution","display_name":"Distribution (mathematics)","score":0.5022501945495605},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4932665228843689},{"id":"https://openalex.org/keywords/discrete-time-and-continuous-time","display_name":"Discrete time and continuous time","score":0.4297689199447632},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41743752360343933},{"id":"https://openalex.org/keywords/presentation","display_name":"Presentation (obstetrics)","score":0.415639191865921},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3893379271030426},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.35083135962486267},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.34297865629196167},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.23974928259849548},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16374415159225464},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11991912126541138}],"concepts":[{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.6238691210746765},{"id":"https://openalex.org/C18653775","wikidata":"https://www.wikidata.org/wiki/Q1333358","display_name":"Joint probability distribution","level":2,"score":0.5460683107376099},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5205118060112},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.5022501945495605},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4932665228843689},{"id":"https://openalex.org/C55689738","wikidata":"https://www.wikidata.org/wiki/Q15963867","display_name":"Discrete time and continuous time","level":2,"score":0.4297689199447632},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41743752360343933},{"id":"https://openalex.org/C2777601897","wikidata":"https://www.wikidata.org/wiki/Q3409113","display_name":"Presentation (obstetrics)","level":2,"score":0.415639191865921},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3893379271030426},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.35083135962486267},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.34297865629196167},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.23974928259849548},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16374415159225464},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11991912126541138},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.1985.1168363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1985.1168363","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '85. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.5699999928474426,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1971527405","https://openalex.org/W1995866607","https://openalex.org/W2006428519","https://openalex.org/W2024753239","https://openalex.org/W2031922654","https://openalex.org/W2045667154","https://openalex.org/W2052870078","https://openalex.org/W2072705683","https://openalex.org/W2083343247","https://openalex.org/W2114674502","https://openalex.org/W2118701340","https://openalex.org/W3165898261"],"related_works":["https://openalex.org/W4387426029","https://openalex.org/W4254162896","https://openalex.org/W4388792380","https://openalex.org/W1477999932","https://openalex.org/W4386731653","https://openalex.org/W2376001620","https://openalex.org/W2925303117","https://openalex.org/W3167529338","https://openalex.org/W2105679457","https://openalex.org/W1824437616"],"abstract_inverted_index":{"Joint":[0],"positive":[1],"distributions":[2],"of":[3],"time":[4,31],"and":[5,13,33],"frequency":[6],"which":[7],"satisfy":[8],"the":[9,23,29,34],"correct":[10],"marginals":[11],"exist":[12],"can":[14],"be":[15],"readily":[16],"obtained.":[17],"In":[18],"this":[19],"presentation":[20],"we":[21],"generalize":[22],"continuous":[24],"case":[25,32],"previously":[26],"considered":[27],"to":[28],"discrete":[30],"two":[35],"dimensional":[36],"situation.":[37]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
