{"id":"https://openalex.org/W1983057011","doi":"https://doi.org/10.1587/transfun.e94.a.995","title":"An Improved Linear Difference Method with High ROM Compression Ratio in Direct Digital Frequency Synthesizer","display_name":"An Improved Linear Difference Method with High ROM Compression Ratio in Direct Digital Frequency Synthesizer","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W1983057011","doi":"https://doi.org/10.1587/transfun.e94.a.995","mag":"1983057011"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1587/transfun.e94.a.995","pdf_url":null,"source":{"id":"https://openalex.org/S166990724","display_name":"IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences","issn_l":"0916-8508","issn":["0916-8508","1745-1337"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5082516246","display_name":"Van\u2010Phuc Hoang","orcid":"https://orcid.org/0000-0003-0944-8701"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Van-Phuc HOANG","raw_affiliation_strings":["Department of Electronics Engineering, University of Electro-Communications"],"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, University of Electro-Communications","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042912660","display_name":"Cong\u2010Kha Pham","orcid":"https://orcid.org/0000-0001-5255-4919"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Cong-Kha PHAM","raw_affiliation_strings":["Department of Electronics Engineering, University of Electro-Communications"],"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, University of Electro-Communications","institution_ids":["https://openalex.org/I20529979"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":0,"max":65},"biblio":{"volume":"E94-A","issue":"3","first_page":"995","last_page":"998"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11697","display_name":"Numerical Methods and Algorithms","score":0.9993,"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"}},"topics":[{"id":"https://openalex.org/T11697","display_name":"Numerical Methods and Algorithms","score":0.9993,"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"}},{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9955,"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":0.9875,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/direct-digital-synthesizer","display_name":"Direct digital synthesizer","score":0.778487},{"id":"https://openalex.org/keywords/sine","display_name":"Sine","score":0.47192004}],"concepts":[{"id":"https://openalex.org/C166089067","wikidata":"https://www.wikidata.org/wiki/Q1227465","display_name":"Direct digital synthesizer","level":5,"score":0.778487},{"id":"https://openalex.org/C25797200","wikidata":"https://www.wikidata.org/wiki/Q828137","display_name":"Compression ratio","level":3,"score":0.7420851},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.65028054},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.546698},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.47851503},{"id":"https://openalex.org/C186661526","wikidata":"https://www.wikidata.org/wiki/Q13647261","display_name":"Sine","level":2,"score":0.47192004},{"id":"https://openalex.org/C14580979","wikidata":"https://www.wikidata.org/wiki/Q876049","display_name":"Very-large-scale integration","level":2,"score":0.45106792},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.44582757},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.441056},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.4378066},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.4132327},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.40172908},{"id":"https://openalex.org/C182099602","wikidata":"https://www.wikidata.org/wiki/Q2660678","display_name":"Frequency synthesizer","level":4,"score":0.33679506},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2909618},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20070699},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.19004914},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16506645},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14620349},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.095546365},{"id":"https://openalex.org/C12707504","wikidata":"https://www.wikidata.org/wiki/Q52637","display_name":"Phase-locked loop","level":3,"score":0.088157624},{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.072508365},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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},{"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/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C511840579","wikidata":"https://www.wikidata.org/wiki/Q12757","display_name":"Internal combustion engine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1587/transfun.e94.a.995","pdf_url":null,"source":{"id":"https://openalex.org/S166990724","display_name":"IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences","issn_l":"0916-8508","issn":["0916-8508","1745-1337"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.88,"display_name":"Affordable and clean energy"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":7,"referenced_works":["https://openalex.org/W2047995285","https://openalex.org/W2086943989","https://openalex.org/W2109782294","https://openalex.org/W2111698733","https://openalex.org/W2141492992","https://openalex.org/W2162755111","https://openalex.org/W2167167820"],"related_works":["https://openalex.org/W4386197759","https://openalex.org/W4200374561","https://openalex.org/W3035420365","https://openalex.org/W2798586687","https://openalex.org/W2622028395","https://openalex.org/W2393010087","https://openalex.org/W2389258116","https://openalex.org/W2166555237","https://openalex.org/W2161572852","https://openalex.org/W2015962950"],"abstract_inverted_index":{"The":[0,47],"increasing":[1],"demand":[2],"of":[3,15,56,65,70,90],"low":[4,91,95],"power":[5,92],"Direct":[6],"Digital":[7],"Frequency":[8],"Synthesizer":[9],"(DDFS)":[10],"leads":[11],"to":[12,19,33,86],"the":[13,41,52,61,68,88],"requirement":[14,89],"efficient":[16],"compression":[17,37,54,80],"methods":[18],"reduce":[20],"ROM":[21,53],"size":[22,63],"for":[23,67],"storing":[24],"sine":[25,75],"function":[26],"values.":[27],"This":[28,78],"paper":[29],"presents":[30],"a":[31,71],"technique":[32,49],"achieve":[34],"very":[35,84],"high":[36,79],"ratio":[38,55,81],"by":[39],"using":[40],"optimized":[42],"four-segment":[43],"linear":[44],"difference":[45],"method.":[46],"proposed":[48],"results":[50],"in":[51,98],"about":[57],"117.3:":[58],"1":[59],"and":[60,94],"word":[62],"reduction":[64],"6bits":[66],"design":[69],"DDFS":[72],"with":[73],"11-bit":[74],"amplitude":[76],"output.":[77],"result":[82],"is":[83],"promising":[85],"meet":[87],"consumption":[93],"hardware":[96],"complexity":[97],"digital":[99],"VLSI":[100],"technology.":[101]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W1983057011","counts_by_year":[],"updated_date":"2024-12-11T07:55:24.805342","created_date":"2016-06-24"}