{"id":"https://openalex.org/W3007574946","doi":"https://doi.org/10.1109/lgrs.2020.2974772","title":"OFDM Chirp Waveform Design Based on Imitating the Time\u2013Frequency Structure of NLFM for Low Correlation Interference in MIMO Radar","display_name":"OFDM Chirp Waveform Design Based on Imitating the Time\u2013Frequency Structure of NLFM for Low Correlation Interference in MIMO Radar","publication_year":2020,"publication_date":"2020-02-27","ids":{"openalex":"https://openalex.org/W3007574946","doi":"https://doi.org/10.1109/lgrs.2020.2974772","mag":"3007574946"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2020.2974772","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2974772","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5006611095","display_name":"Xiang Lan","orcid":"https://orcid.org/0000-0002-2784-9894"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Lan","raw_affiliation_strings":["School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-2784-9894","affiliations":[{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100618685","display_name":"Min Zhang","orcid":"https://orcid.org/0000-0001-9992-0007"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-9992-0007","affiliations":[{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045144976","display_name":"Le-Tian Wang","orcid":"https://orcid.org/0000-0003-3879-0880"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Le-tian Wang","raw_affiliation_strings":["School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0003-3879-0880","affiliations":[{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":13.0521,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.97962057,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"18","issue":"2","first_page":"286","last_page":"290"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":1.0,"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":1.0,"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":0.9972000122070312,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9947999715805054,"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/chirp","display_name":"Chirp","score":0.8165280818939209},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7122292518615723},{"id":"https://openalex.org/keywords/autocorrelation","display_name":"Autocorrelation","score":0.6693580746650696},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.548130989074707},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5329517126083374},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5104207396507263},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48209312558174133},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4679523706436157},{"id":"https://openalex.org/keywords/chirp-spread-spectrum","display_name":"Chirp spread spectrum","score":0.4555893540382385},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.444557249546051},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.43814510107040405},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.41335874795913696},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29723024368286133},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2708972692489624},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.26788410544395447},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1928652822971344},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.13328415155410767},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1275639832019806},{"id":"https://openalex.org/keywords/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.12553319334983826},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08837279677391052},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.08666780591011047},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.0791357159614563}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.8165280818939209},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7122292518615723},{"id":"https://openalex.org/C5297727","wikidata":"https://www.wikidata.org/wiki/Q786970","display_name":"Autocorrelation","level":2,"score":0.6693580746650696},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.548130989074707},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5329517126083374},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5104207396507263},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48209312558174133},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4679523706436157},{"id":"https://openalex.org/C105152959","wikidata":"https://www.wikidata.org/wiki/Q1074780","display_name":"Chirp spread spectrum","level":5,"score":0.4555893540382385},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.444557249546051},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.43814510107040405},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.41335874795913696},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29723024368286133},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2708972692489624},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.26788410544395447},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1928652822971344},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.13328415155410767},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1275639832019806},{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.12553319334983826},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08837279677391052},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.08666780591011047},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.0791357159614563},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2020.2974772","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.2974772","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.5899999737739563}],"awards":[{"id":"https://openalex.org/G2238595286","display_name":null,"funder_award_id":"2017M613070","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G43007116","display_name":null,"funder_award_id":"41701386","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8562990366","display_name":"\u8fd0\u52a8\u8230\u8239\u5c3e\u8ff9\u7684\u7535\u78c1\u6563\u5c04\u673a\u7406\u548cSAR\u6210\u50cf\u6a21\u578b\u7814\u7a76","funder_award_id":"61771355","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320328373","display_name":"National Key Laboratory Foundation of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2017993879","https://openalex.org/W2019079083","https://openalex.org/W2070663212","https://openalex.org/W2153885183","https://openalex.org/W2288734263","https://openalex.org/W2322226188","https://openalex.org/W2530656616","https://openalex.org/W2544415299","https://openalex.org/W2611473161","https://openalex.org/W2748412964","https://openalex.org/W2848864603"],"related_works":["https://openalex.org/W2317297318","https://openalex.org/W2155641694","https://openalex.org/W2972564959","https://openalex.org/W2065883652","https://openalex.org/W2967627568","https://openalex.org/W2537897891","https://openalex.org/W2053751710","https://openalex.org/W3169999368","https://openalex.org/W4391741986","https://openalex.org/W2117096382"],"abstract_inverted_index":{"The":[0,147],"orthogonal":[1],"frequency":[2,82],"division":[3],"multiplexing":[4],"(OFDM)":[5],"chirp":[6,46,75,110,153],"signal":[7,76],"has":[8],"its":[9],"special":[10],"merits":[11],"of":[12,43,59,73,103,105,135,144,176],"high-range":[13],"resolution":[14],"by":[15,77,127,141],"exploiting":[16],"a":[17,89,142],"full":[18],"bandwidth":[19],"as":[20,173],"multiple":[21,23],"input":[22],"output":[24],"(MIMO)":[25],"radar":[26,61],"signal.":[27,62],"After":[28],"simulation,":[29],"there":[30],"are":[31,139],"some":[32],"high":[33],"peaks":[34,117],"in":[35],"the":[36,51,56,68,80,96,106,114,119,128,136,150,161,174],"autocorrelation":[37,69],"function":[38,42],"and":[39,54,99,158,164,169],"cross":[40,115],"correlation":[41,52,116],"conventional":[44,162],"OFDM":[45,74,109,152,167],"signals,":[47,168],"which":[48],"may":[49],"increase":[50],"interference":[53],"reduce":[55,67],"detection":[57],"performance":[58],"MIMO":[60],"This":[63],"letter":[64],"proposes":[65],"to":[66],"sidelobe":[70],"peak":[71],"(ASP)":[72],"subsection":[78],"imitating":[79],"nonlinear":[81],"modulation":[83],"(NLFM)":[84],"signal's":[85],"time-frequency":[86],"structure.":[87],"Since":[88],"suitable":[90],"difference":[91],"should":[92],"be":[93],"made":[94],"between":[95],"subchirp":[97,100],"rates":[98],"carrier":[101],"frequencies":[102],"each":[104],"two":[107],"designed":[108,137,151],"signals":[111,138,154],"for":[112],"reducing":[113],"(CP),":[118],"imitated":[120],"NLFM":[121],"waveforms'":[122],"design":[123],"problem":[124],"is":[125],"solved":[126],"proposed":[129],"optimized":[130,145],"method.":[131],"At":[132],"last,":[133],"subchirps":[134,177],"coded":[140],"group":[143],"codes.":[146],"simulation":[148],"shows":[149],"have":[155],"lower":[156],"ASP":[157,171],"CP":[159],"than":[160],"ones":[163],"referenced":[165],"previous":[166],"their":[170],"decreases":[172],"number":[175],"increases.":[178]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
