{"id":"https://openalex.org/W2171228483","doi":"https://doi.org/10.1109/tit.1979.1056026","title":"On time warping and the random delay channel","display_name":"On time warping and the random delay channel","publication_year":1979,"publication_date":"1979-03-01","ids":{"openalex":"https://openalex.org/W2171228483","doi":"https://doi.org/10.1109/tit.1979.1056026","mag":"2171228483"},"language":"en","primary_location":{"id":"doi:10.1109/tit.1979.1056026","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1979.1056026","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","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/A5067972593","display_name":"Mario A. Blanco","orcid":"https://orcid.org/0000-0001-7369-5411"},"institutions":[{"id":"https://openalex.org/I180949307","display_name":"Illinois Institute of Technology","ror":"https://ror.org/037t3ry66","country_code":"US","type":"education","lineage":["https://openalex.org/I180949307"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"M. Blanco","raw_affiliation_strings":["Illinois Institute of Technology, Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Illinois Institute of Technology, Chicago, IL, USA","institution_ids":["https://openalex.org/I180949307"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113699931","display_name":"F. Hill","orcid":null},"institutions":[{"id":"https://openalex.org/I24603500","display_name":"University of Massachusetts Amherst","ror":"https://ror.org/0072zz521","country_code":"US","type":"education","lineage":["https://openalex.org/I24603500"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"F. Hill","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, Amherst, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, Amherst, MA, USA","institution_ids":["https://openalex.org/I24603500"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067972593"],"corresponding_institution_ids":["https://openalex.org/I180949307"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.30872483,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":"2","first_page":"155","last_page":"166"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9866999983787537,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9866999983787537,"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/T10320","display_name":"Neural Networks and Applications","score":0.982699990272522,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.968999981880188,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/autocorrelation","display_name":"Autocorrelation","score":0.771833598613739},{"id":"https://openalex.org/keywords/orthonormal-basis","display_name":"Orthonormal basis","score":0.6926616430282593},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6695471405982971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6195996403694153},{"id":"https://openalex.org/keywords/dynamic-time-warping","display_name":"Dynamic time warping","score":0.5598870515823364},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.558867335319519},{"id":"https://openalex.org/keywords/fifo","display_name":"FIFO (computing and electronics)","score":0.5371751189231873},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4441148042678833},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.44375625252723694},{"id":"https://openalex.org/keywords/image-warping","display_name":"Image warping","score":0.4415382742881775},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4254434406757355},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4145641326904297},{"id":"https://openalex.org/keywords/unitary-state","display_name":"Unitary state","score":0.41269081830978394},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.41121870279312134},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.360629141330719},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23113968968391418},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.16708257794380188},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12926816940307617},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12580353021621704}],"concepts":[{"id":"https://openalex.org/C5297727","wikidata":"https://www.wikidata.org/wiki/Q786970","display_name":"Autocorrelation","level":2,"score":0.771833598613739},{"id":"https://openalex.org/C5806529","wikidata":"https://www.wikidata.org/wiki/Q2365325","display_name":"Orthonormal basis","level":2,"score":0.6926616430282593},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6695471405982971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6195996403694153},{"id":"https://openalex.org/C88516994","wikidata":"https://www.wikidata.org/wiki/Q1268863","display_name":"Dynamic time warping","level":2,"score":0.5598870515823364},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.558867335319519},{"id":"https://openalex.org/C2777145635","wikidata":"https://www.wikidata.org/wiki/Q515636","display_name":"FIFO (computing and electronics)","level":2,"score":0.5371751189231873},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4441148042678833},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.44375625252723694},{"id":"https://openalex.org/C157202957","wikidata":"https://www.wikidata.org/wiki/Q1659609","display_name":"Image warping","level":2,"score":0.4415382742881775},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4254434406757355},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4145641326904297},{"id":"https://openalex.org/C67820243","wikidata":"https://www.wikidata.org/wiki/Q179164","display_name":"Unitary state","level":2,"score":0.41269081830978394},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.41121870279312134},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.360629141330719},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23113968968391418},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.16708257794380188},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12926816940307617},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12580353021621704},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tit.1979.1056026","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.1979.1056026","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1500551892","https://openalex.org/W1536252645","https://openalex.org/W1543913945","https://openalex.org/W1588837646","https://openalex.org/W1963625093","https://openalex.org/W1979536861","https://openalex.org/W2036488048","https://openalex.org/W2037366774","https://openalex.org/W2043107943","https://openalex.org/W2064460506","https://openalex.org/W2141987072","https://openalex.org/W2143878734","https://openalex.org/W2163753699","https://openalex.org/W2540247209","https://openalex.org/W2800027815","https://openalex.org/W4299533062","https://openalex.org/W4301253858"],"related_works":["https://openalex.org/W1670332068","https://openalex.org/W2095618524","https://openalex.org/W2735770592","https://openalex.org/W2347413598","https://openalex.org/W1918542373","https://openalex.org/W71572444","https://openalex.org/W1997383766","https://openalex.org/W2154472250","https://openalex.org/W2350336482","https://openalex.org/W2229352698"],"abstract_inverted_index":{"Channels":[0],"(i.e.,":[1],"operators)":[2],"are":[3,24,58,124,146],"studied":[4],"that":[5,29,64],"produce":[6],"time":[7],"warping,":[8],"or":[9,73],"delay":[10],"modulation,":[11],"in":[12],"signals":[13,75,85,123],"passing":[14],"through":[15],"them,":[16],"and":[17,43,55,60,88,112,143,148],"many":[18],"interesting":[19],"properties":[20],"of":[21,50,92,102,120],"these":[22],"channels":[23,37],"developed.":[25],"It":[26],"is":[27,38,62,66,86,96,109],"shown":[28,63],"a":[30,138,141],"first-in":[31],"first-out":[32],"(FIFO)":[33],"assumption":[34],"for":[35,83,136],"such":[36,115],"compelling":[39],"on":[40,129],"physical":[41],"grounds":[42],"vastly":[44],"simplifies":[45],"ensuing":[46],"analysis.":[47],"Two":[48],"descriptions":[49],"the":[51,53,68,78,89,93,117,121],"channel,":[52],"\"send-delay\"":[54],"\"receive-delay\"":[56],"functions,":[57],"compared,":[59],"it":[61],"one":[65],"precisely":[67],"shape":[69],"needed":[70],"to":[71,98],"equalize":[72],"unwarp":[74],"warped":[76],"by":[77],"other.":[79],"A":[80],"series":[81],"expansion":[82],"time-warped":[84,144],"developed,":[87,125],"unitary":[90],"nature":[91],"warp":[94],"operators":[95],"exploited":[97],"generate":[99],"rich":[100],"sets":[101],"orthonormal":[103],"signals.":[104],"The":[105],"random":[106],"time-warp":[107],"channel":[108],"then":[110],"analyzed,":[111],"certain":[113],"statistics":[114],"as":[116],"autocorrelation":[118],"function":[119],"output":[122],"along":[126],"with":[127,150],"conditions":[128],"their":[130],"stationarity.":[131],"Finally,":[132],"optimum":[133],"linear":[134],"filters":[135],"extracting":[137],"signal":[139],"from":[140],"noisy":[142],"version":[145],"derived":[147],"compared":[149],"some":[151],"previous":[152],"results.":[153]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}