{"id":"https://openalex.org/W2158143167","doi":"https://doi.org/10.1109/ecctd.2009.5275018","title":"High-performance coherent digital sweep oscillator using piecewise parabolic interpolation","display_name":"High-performance coherent digital sweep oscillator using piecewise parabolic interpolation","publication_year":2009,"publication_date":"2009-08-01","ids":{"openalex":"https://openalex.org/W2158143167","doi":"https://doi.org/10.1109/ecctd.2009.5275018","mag":"2158143167"},"language":"en","primary_location":{"id":"doi:10.1109/ecctd.2009.5275018","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecctd.2009.5275018","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 European Conference on Circuit Theory and Design","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/A5048636828","display_name":"Ashraf Samarah","orcid":"https://orcid.org/0000-0003-1246-354X"},"institutions":[{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ashraf Samarah","raw_affiliation_strings":["Center of Sensor systems (ZESS), University of Siegen, Siegen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Sensor systems (ZESS), University of Siegen, Siegen, Germany","institution_ids":["https://openalex.org/I206895457"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042744753","display_name":"Otmar Loffeld","orcid":"https://orcid.org/0000-0002-5413-6582"},"institutions":[{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Otmar Loffeld","raw_affiliation_strings":["Center of Sensor systems (ZESS), University of Siegen, Siegen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center of Sensor systems (ZESS), University of Siegen, Siegen, Germany","institution_ids":["https://openalex.org/I206895457"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I206895457"],"apc_list":null,"apc_paid":null,"fwci":0.7143,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71945162,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"40","issue":null,"first_page":"461","last_page":"465"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"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/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.995199978351593,"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/interpolation","display_name":"Interpolation (computer graphics)","score":0.6934062242507935},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.6621646285057068},{"id":"https://openalex.org/keywords/spurious-relationship","display_name":"Spurious relationship","score":0.6271638870239258},{"id":"https://openalex.org/keywords/sweep-frequency-response-analysis","display_name":"Sweep frequency response analysis","score":0.5369531512260437},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4677830934524536},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.4487607777118683},{"id":"https://openalex.org/keywords/total-harmonic-distortion","display_name":"Total harmonic distortion","score":0.4373907148838043},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3498033881187439},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33593055605888367},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.27290892601013184},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.25420695543289185},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.2311689853668213},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1480790674686432},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.11257416009902954},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07446354627609253},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.06006038188934326}],"concepts":[{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.6934062242507935},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.6621646285057068},{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.6271638870239258},{"id":"https://openalex.org/C37580369","wikidata":"https://www.wikidata.org/wiki/Q7655123","display_name":"Sweep frequency response analysis","level":2,"score":0.5369531512260437},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4677830934524536},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.4487607777118683},{"id":"https://openalex.org/C42156128","wikidata":"https://www.wikidata.org/wiki/Q162641","display_name":"Total harmonic distortion","level":3,"score":0.4373907148838043},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3498033881187439},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33593055605888367},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.27290892601013184},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.25420695543289185},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2311689853668213},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1480790674686432},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.11257416009902954},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07446354627609253},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.06006038188934326},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecctd.2009.5275018","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecctd.2009.5275018","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 European Conference on Circuit Theory and Design","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1595548007","https://openalex.org/W1653303420","https://openalex.org/W1784300417","https://openalex.org/W2018601063","https://openalex.org/W2020485768","https://openalex.org/W2080414588","https://openalex.org/W2112270665","https://openalex.org/W2114811723","https://openalex.org/W2135613480","https://openalex.org/W2141492992","https://openalex.org/W2146211526","https://openalex.org/W2152287008","https://openalex.org/W2167167820","https://openalex.org/W2265989538"],"related_works":["https://openalex.org/W3113091479","https://openalex.org/W2162899405","https://openalex.org/W941090075","https://openalex.org/W2044987316","https://openalex.org/W3134374554","https://openalex.org/W2237480245","https://openalex.org/W2075065631","https://openalex.org/W2519167559","https://openalex.org/W4311248832","https://openalex.org/W4386113923"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"propose":[4],"an":[5],"improved":[6],"coherent":[7],"digital":[8],"sweep":[9,29],"oscillator":[10],"with":[11,26],"small":[12],"size":[13],"memory":[14],"and":[15],"extremely":[16],"low":[17],"level":[18],"of":[19,37],"the":[20,27,35,38],"spurious":[21],"harmonic":[22],"distortion":[23],"in":[24],"comparison":[25],"Pedersen":[28],"oscillator.":[30],"This":[31],"proposed":[32],"system":[33],"uses":[34],"methodology":[36],"piecewise":[39],"parabolic":[40],"interpolation.":[41]},"counts_by_year":[{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}