{"id":"https://openalex.org/W2063404319","doi":"https://doi.org/10.1109/tcom.1979.1094533","title":"An Improved Adaptive Electronic Circulator for Telephone Applications","display_name":"An Improved Adaptive Electronic Circulator for Telephone Applications","publication_year":1979,"publication_date":"1979-08-01","ids":{"openalex":"https://openalex.org/W2063404319","doi":"https://doi.org/10.1109/tcom.1979.1094533","mag":"2063404319"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1979.1094533","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1979.1094533","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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 Communications","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/A5033741052","display_name":"H. Gazioglu","orcid":null},"institutions":[{"id":"https://openalex.org/I191240316","display_name":"University of Hull","ror":"https://ror.org/04nkhwh30","country_code":"GB","type":"education","lineage":["https://openalex.org/I191240316"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"H. Gazioglu","raw_affiliation_strings":["Department of Electronic Engineering, University of Hull, Hull, UK","University of Hull , England"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Hull, Hull, UK","institution_ids":["https://openalex.org/I191240316"]},{"raw_affiliation_string":"University of Hull , England","institution_ids":["https://openalex.org/I191240316"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043545110","display_name":"D. Homer","orcid":null},"institutions":[{"id":"https://openalex.org/I191240316","display_name":"University of Hull","ror":"https://ror.org/04nkhwh30","country_code":"GB","type":"education","lineage":["https://openalex.org/I191240316"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. Homer","raw_affiliation_strings":["Department of Electronic Engineering, University of Hull, Hull, UK","(Department of Electronic Engineering, University of Hull, Hull, UK)"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Hull, Hull, UK","institution_ids":["https://openalex.org/I191240316"]},{"raw_affiliation_string":"(Department of Electronic Engineering, University of Hull, Hull, UK)","institution_ids":["https://openalex.org/I191240316"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048796037","display_name":"J.I. Sewell","orcid":"https://orcid.org/0000-0001-9701-377X"},"institutions":[{"id":"https://openalex.org/I191240316","display_name":"University of Hull","ror":"https://ror.org/04nkhwh30","country_code":"GB","type":"education","lineage":["https://openalex.org/I191240316"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"J. Sewell","raw_affiliation_strings":["Department of Electronic Engineering, University of Hull, Hull, UK","(Department of Electronic Engineering, University of Hull, Hull, UK)"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, University of Hull, Hull, UK","institution_ids":["https://openalex.org/I191240316"]},{"raw_affiliation_string":"(Department of Electronic Engineering, University of Hull, Hull, UK)","institution_ids":["https://openalex.org/I191240316"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5033741052"],"corresponding_institution_ids":["https://openalex.org/I191240316"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18983085,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"27","issue":"8","first_page":"1218","last_page":"1224"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9541000127792358,"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"}},"topics":[{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9541000127792358,"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"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9434000253677368,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/circulator","display_name":"Circulator","score":0.7862853407859802},{"id":"https://openalex.org/keywords/electronic-circuit","display_name":"Electronic circuit","score":0.6444705128669739},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5976815223693848},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5919923186302185},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.5191208720207214},{"id":"https://openalex.org/keywords/resistive-touchscreen","display_name":"Resistive touchscreen","score":0.5190333127975464},{"id":"https://openalex.org/keywords/electrical-impedance","display_name":"Electrical impedance","score":0.45355066657066345},{"id":"https://openalex.org/keywords/telephone-line","display_name":"Telephone line","score":0.441513329744339},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.4344449043273926},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3790786862373352},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2973707318305969},{"id":"https://openalex.org/keywords/telephony","display_name":"Telephony","score":0.2434512972831726},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22629621624946594}],"concepts":[{"id":"https://openalex.org/C120546263","wikidata":"https://www.wikidata.org/wiki/Q162869","display_name":"Circulator","level":2,"score":0.7862853407859802},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.6444705128669739},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5976815223693848},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5919923186302185},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.5191208720207214},{"id":"https://openalex.org/C6899612","wikidata":"https://www.wikidata.org/wiki/Q852911","display_name":"Resistive touchscreen","level":2,"score":0.5190333127975464},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.45355066657066345},{"id":"https://openalex.org/C111943024","wikidata":"https://www.wikidata.org/wiki/Q1373572","display_name":"Telephone line","level":3,"score":0.441513329744339},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4344449043273926},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3790786862373352},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2973707318305969},{"id":"https://openalex.org/C195358072","wikidata":"https://www.wikidata.org/wiki/Q944584","display_name":"Telephony","level":2,"score":0.2434512972831726},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22629621624946594},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcom.1979.1094533","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1979.1094533","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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 Communications","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":5,"referenced_works":["https://openalex.org/W2009208331","https://openalex.org/W2019122715","https://openalex.org/W2089181265","https://openalex.org/W2108814671","https://openalex.org/W2142968188"],"related_works":["https://openalex.org/W4249506017","https://openalex.org/W2130656661","https://openalex.org/W3094722601","https://openalex.org/W1991658528","https://openalex.org/W1956302087","https://openalex.org/W2164143256","https://openalex.org/W2091287385","https://openalex.org/W4240213040","https://openalex.org/W2896275570","https://openalex.org/W2390930822"],"abstract_inverted_index":{"A":[0],"previous":[1],"attempt":[2],"at":[3],"realizing":[4],"an":[5,65],"adaptive":[6,27,66,83],"circulator":[7],"for":[8,29],"telephone":[9,58],"applications":[10],"suffered":[11],"from":[12,43],"limitations":[13],"due":[14],"to":[15,40,48],"voice":[16,44],"switching":[17,45],"problems,":[18],"resistive":[19],"part":[20],"matching":[21],"only,":[22],"and":[23,47,85],"some":[24],"difficulties":[25],"with":[26,54,96],"operation":[28],"broadband":[30],"signals.":[31],"The":[32],"use":[33],"of":[34,56,61,81,93,99],"pilot":[35],"tones":[36],"enables":[37],"the":[38,62,70,78,82],"circuit":[39,63],"be":[41],"free":[42],"problems":[46],"accomplish":[49],"a":[50,57,91,97],"close":[51],"impedance":[52],"match":[53],"that":[55],"line.":[59],"Analysis":[60],"in":[64],"hybrid":[67,88],"configuration":[68],"produces":[69],"theoretical":[71],"bounds":[72],"on":[73,90],"performance.":[74],"Experimental":[75],"results":[76],"display":[77],"performance":[79],"characteristics":[80],"circuits":[84,89],"various":[86],"other":[87],"selection":[92],"subscriber":[94],"lines":[95],"range":[98],"terminations.":[100]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
