{"id":"https://openalex.org/W2114770002","doi":"https://doi.org/10.1109/taes.2011.5937252","title":"Determination of Sweep Linearity Requirements in FMCW Radar Systems Based on Simple Voltage-Controlled Oscillator Sources","display_name":"Determination of Sweep Linearity Requirements in FMCW Radar Systems Based on Simple Voltage-Controlled Oscillator Sources","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2114770002","doi":"https://doi.org/10.1109/taes.2011.5937252","mag":"2114770002"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2011.5937252","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2011.5937252","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","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/A5082357129","display_name":"Paul V. Brennan","orcid":"https://orcid.org/0000-0002-3145-3868"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"P. V. Brennan","raw_affiliation_strings":["Department of Electronic & Electrical Engineering, University College London, London, UK","Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Department of Electronic & Electrical Engineering, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109343068","display_name":"Y. Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Y. Huang","raw_affiliation_strings":["Department of Electronic & Electrical Engineering, University College London, London, UK","Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Department of Electronic & Electrical Engineering, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018227928","display_name":"M. Ash","orcid":"https://orcid.org/0000-0002-8763-3024"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"M. Ash","raw_affiliation_strings":["Department of Electronic & Electrical Engineering, University College London, London, UK","Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Department of Electronic & Electrical Engineering, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Dept. of Electron. & Electr. Eng, Univ. Coll. London, London, UK","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037025833","display_name":"Kevin Chetty","orcid":"https://orcid.org/0000-0003-1616-4248"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"K. Chetty","raw_affiliation_strings":["Department of Security and Crime Science, University College London Jill Dando Institute, London, UK","[Department of Security and Crime Science, University College London Jill Dando Institute, London, UK]"],"affiliations":[{"raw_affiliation_string":"Department of Security and Crime Science, University College London Jill Dando Institute, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"[Department of Security and Crime Science, University College London Jill Dando Institute, London, UK]","institution_ids":["https://openalex.org/I45129253"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5082357129"],"corresponding_institution_ids":["https://openalex.org/I45129253"],"apc_list":null,"apc_paid":null,"fwci":72.5761,"has_fulltext":false,"cited_by_count":67,"citation_normalized_percentile":{"value":0.99667385,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"47","issue":"3","first_page":"1594","last_page":"1604"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11946","display_name":"Antenna Design and Optimization","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/voltage-controlled-oscillator","display_name":"Voltage-controlled oscillator","score":0.7696635723114014},{"id":"https://openalex.org/keywords/linearity","display_name":"Linearity","score":0.7152330875396729},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.6790333986282349},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6297835111618042},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.6165913939476013},{"id":"https://openalex.org/keywords/sweep-frequency-response-analysis","display_name":"Sweep frequency response analysis","score":0.6001759767532349},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4932407736778259},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4861268997192383},{"id":"https://openalex.org/keywords/pulse-doppler-radar","display_name":"Pulse-Doppler radar","score":0.4569880962371826},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43134042620658875},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.4150981903076172},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.3832830488681793},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.2674926221370697},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.24438238143920898},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.23897090554237366},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18800625205039978},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16031262278556824},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15925559401512146},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.14438804984092712},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.09293210506439209}],"concepts":[{"id":"https://openalex.org/C5291336","wikidata":"https://www.wikidata.org/wiki/Q852341","display_name":"Voltage-controlled oscillator","level":3,"score":0.7696635723114014},{"id":"https://openalex.org/C77170095","wikidata":"https://www.wikidata.org/wiki/Q1753188","display_name":"Linearity","level":2,"score":0.7152330875396729},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.6790333986282349},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6297835111618042},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.6165913939476013},{"id":"https://openalex.org/C37580369","wikidata":"https://www.wikidata.org/wiki/Q7655123","display_name":"Sweep frequency response analysis","level":2,"score":0.6001759767532349},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4932407736778259},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4861268997192383},{"id":"https://openalex.org/C139931591","wikidata":"https://www.wikidata.org/wiki/Q1029151","display_name":"Pulse-Doppler radar","level":4,"score":0.4569880962371826},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43134042620658875},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4150981903076172},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.3832830488681793},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.2674926221370697},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24438238143920898},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.23897090554237366},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18800625205039978},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16031262278556824},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15925559401512146},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.14438804984092712},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.09293210506439209},{"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/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/taes.2011.5937252","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2011.5937252","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:1318905","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/1318905/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"   IEEE T AERO ELEC SYS , 47  (3)   1594 - 1604.   (2011)      ","raw_type":"Article"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:74309","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/74309/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"   IEEE Transactions on Aerospace and Electronic Systems , 47  (3)   pp. 1594-1604.   (2011)      ","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5078426989","display_name":null,"funder_award_id":"EP/D076722/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1538006934","https://openalex.org/W1820296392","https://openalex.org/W1981819263","https://openalex.org/W1999435181","https://openalex.org/W2004115549","https://openalex.org/W2065817785","https://openalex.org/W2123555542","https://openalex.org/W2137694418","https://openalex.org/W2147517352","https://openalex.org/W2992775450","https://openalex.org/W6771145447"],"related_works":["https://openalex.org/W2536356029","https://openalex.org/W2808698435","https://openalex.org/W2971783855","https://openalex.org/W2018865124","https://openalex.org/W1984442391","https://openalex.org/W2140676306","https://openalex.org/W1587156694","https://openalex.org/W3129796029","https://openalex.org/W2083199440","https://openalex.org/W2363610479"],"abstract_inverted_index":{"Linear":[0],"frequency":[1,44],"modulated":[2,45],"(FM),":[3],"or":[4],"chirp,":[5],"pulse":[6],"compression":[7],"is":[8],"a":[9,60,77,107,120],"widely":[10],"used":[11,112],"technique":[12],"for":[13],"improving":[14],"the":[15,35,41,67,83,100,116,127,135,139],"range":[16,92],"resolution":[17],"of":[18,37,43,85,103,129,141],"radar":[19,49,144],"systems,":[20,50],"although":[21],"it":[22],"often":[23],"places":[24],"quite":[25],"stringent":[26],"demands":[27],"on":[28,40,66,88,138],"FM":[29],"sweep":[30,38],"linearity.":[31,104],"This":[32],"paper":[33],"examines":[34],"impact":[36,128],"nonlinearities":[39,87],"performance":[42,140],"continuous":[46],"wave":[47],"(FMCW)":[48],"particularly":[51],"those":[52],"employing":[53],"simple":[54,121],"voltage-controlled":[55],"oscillator":[56],"(VCO)":[57],"sources,":[58],"using":[59],"new":[61],"and":[62,91,122],"straightforward":[63],"approach":[64],"based":[65],"fractional":[68],"slope":[69],"variation":[70],"(FSV).":[71],"Modeled":[72],"results":[73,95],"are":[74,96,110],"presented,":[75],"assuming":[76],"square-law":[78],"source":[79,130],"nonlinearity":[80],"representation,":[81],"showing":[82],"effect":[84],"such":[86],"point-target":[89],"response":[90],"resolution.":[93],"These":[94],"then":[97],"related":[98],"to":[99,113,125],"standard":[101],"definition":[102],"Measurements":[105],"from":[106],"commercial":[108],"VCO":[109],"finally":[111],"convincingly":[114],"validate":[115],"work,":[117],"resulting":[118],"in":[119],"practical":[123],"method":[124],"predict":[126],"nonlinearity,":[131],"as":[132],"defined":[133],"by":[134],"FSV":[136],"parameter,":[137],"an":[142],"FMCW":[143],"system.":[145]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
