{"id":"https://openalex.org/W2924508530","doi":"https://doi.org/10.3390/s19061477","title":"Nyquist Zone Index and Chirp Rate Estimation of LFM Signal Intercepted by Nyquist Folding Receiver Based on Random Sample Consensus and Fractional Fourier Transform","display_name":"Nyquist Zone Index and Chirp Rate Estimation of LFM Signal Intercepted by Nyquist Folding Receiver Based on Random Sample Consensus and Fractional Fourier Transform","publication_year":2019,"publication_date":"2019-03-26","ids":{"openalex":"https://openalex.org/W2924508530","doi":"https://doi.org/10.3390/s19061477","mag":"2924508530","pmid":"https://pubmed.ncbi.nlm.nih.gov/30917601"},"language":"en","primary_location":{"id":"doi:10.3390/s19061477","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19061477","pdf_url":"https://www.mdpi.com/1424-8220/19/6/1477/pdf?version=1553605745","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/6/1477/pdf?version=1553605745","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058420728","display_name":"Xinqun Liu","orcid":"https://orcid.org/0000-0002-0004-4199"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinqun Liu","raw_affiliation_strings":["National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":"https://orcid.org/0000-0002-0004-4199","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100455256","display_name":"Tao Li","orcid":"https://orcid.org/0000-0001-8966-7239"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Tao Li","raw_affiliation_strings":["Artificial Intelligence Research Center (AIRC), National Innovation Institute of Defense Technology (NIIDT), NO.2 Fengtai South Road, Fengtai District, Beijing 100071, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Artificial Intelligence Research Center (AIRC), National Innovation Institute of Defense Technology (NIIDT), NO.2 Fengtai South Road, Fengtai District, Beijing 100071, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055246722","display_name":"Xiaolei Fan","orcid":"https://orcid.org/0009-0007-9116-6901"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaolei Fan","raw_affiliation_strings":["National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101406276","display_name":"Zengping Chen","orcid":"https://orcid.org/0000-0002-3722-0651"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zengping Chen","raw_affiliation_strings":["National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on ATR, National University of Defense Technology, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100455256"],"corresponding_institution_ids":[],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.987,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.84831045,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"19","issue":"6","first_page":"1477","last_page":"1477"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11210","display_name":"Mathematical Analysis and Transform Methods","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11210","display_name":"Mathematical Analysis and Transform Methods","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12024","display_name":"Ultra-Wideband Communications Technology","score":0.9907000064849854,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9901999831199646,"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/chirp","display_name":"Chirp","score":0.6800906658172607},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5670365691184998},{"id":"https://openalex.org/keywords/nyquist\u2013shannon-sampling-theorem","display_name":"Nyquist\u2013Shannon sampling theorem","score":0.5620342493057251},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.5458285808563232},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5294064283370972},{"id":"https://openalex.org/keywords/nyquist-rate","display_name":"Nyquist rate","score":0.48297372460365295},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4469816982746124},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.42014601826667786},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41030073165893555},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.353452205657959},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.34657996892929077},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.3147490620613098},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24021893739700317},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.2317739725112915},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20828253030776978},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.19128134846687317},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1526804268360138},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15180063247680664},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.13288509845733643},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1089131236076355}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.6800906658172607},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5670365691184998},{"id":"https://openalex.org/C288623","wikidata":"https://www.wikidata.org/wiki/Q679800","display_name":"Nyquist\u2013Shannon sampling theorem","level":2,"score":0.5620342493057251},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.5458285808563232},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5294064283370972},{"id":"https://openalex.org/C65914096","wikidata":"https://www.wikidata.org/wiki/Q6273772","display_name":"Nyquist rate","level":4,"score":0.48297372460365295},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4469816982746124},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.42014601826667786},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41030073165893555},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.353452205657959},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.34657996892929077},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.3147490620613098},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24021893739700317},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.2317739725112915},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20828253030776978},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.19128134846687317},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1526804268360138},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15180063247680664},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.13288509845733643},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1089131236076355},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","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},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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":5,"locations":[{"id":"doi:10.3390/s19061477","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19061477","pdf_url":"https://www.mdpi.com/1424-8220/19/6/1477/pdf?version=1553605745","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:30917601","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30917601","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:4f098c4eff4840069c5a2f81f6014bb4","is_oa":true,"landing_page_url":"https://doaj.org/article/4f098c4eff4840069c5a2f81f6014bb4","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 19, Iss 6, p 1477 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5465370","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6471702","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/6/1477/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19061477","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s19061477","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19061477","pdf_url":"https://www.mdpi.com/1424-8220/19/6/1477/pdf?version=1553605745","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1666144725","https://openalex.org/W1980300788","https://openalex.org/W1985220763","https://openalex.org/W2001992125","https://openalex.org/W2015418199","https://openalex.org/W2022691447","https://openalex.org/W2042128058","https://openalex.org/W2085261163","https://openalex.org/W2108710836","https://openalex.org/W2110088502","https://openalex.org/W2129363926","https://openalex.org/W2134179788","https://openalex.org/W2137508792","https://openalex.org/W2141116650","https://openalex.org/W2166265025","https://openalex.org/W2170672082","https://openalex.org/W2171737517","https://openalex.org/W2172171145","https://openalex.org/W2355178726","https://openalex.org/W2516659828","https://openalex.org/W2533057217","https://openalex.org/W2542170364","https://openalex.org/W2753288963","https://openalex.org/W2753806637","https://openalex.org/W2758593264","https://openalex.org/W2784001966","https://openalex.org/W2805956748","https://openalex.org/W2998123746","https://openalex.org/W3021271220","https://openalex.org/W6773023096"],"related_works":["https://openalex.org/W2317831243","https://openalex.org/W2046395214","https://openalex.org/W2383644604","https://openalex.org/W2040742534","https://openalex.org/W2370357644","https://openalex.org/W2060793043","https://openalex.org/W2791873712","https://openalex.org/W2088283703","https://openalex.org/W2120381889","https://openalex.org/W4289821577"],"abstract_inverted_index":{"The":[0,47,168],"Nyquist":[1,72],"folding":[2],"receiver":[3],"(NYFR)":[4],"can":[5],"achieve":[6],"a":[7,27,54,151],"high-probability":[8],"interception":[9],"of":[10,21,31,58,69,95,122,155,180,186],"an":[11,66],"ultra-wideband":[12],"(UWB)":[13],"signal":[14,30,52,83,131,185],"with":[15],"fewer":[16],"devices,":[17],"while":[18],"the":[19,22,32,37,42,71,77,81,92,96,99,103,120,123,128,133,137,145,165,172,178,181,187],"output":[20,184],"NYFR":[23,86],"is":[24,53],"converted":[25],"into":[26],"hybrid":[28,129,182],"modulated":[29,130,183],"local":[33],"oscillator":[34],"(LO)":[35],"and":[36,76,102,114,136],"received":[38],"signal,":[39,98],"which":[40,161],"requires":[41],"matching":[43],"parameter":[44],"estimation":[45,67],"methods.":[46],"linear":[48],"frequency":[49],"modulation":[50],"(LFM)":[51],"typical":[55],"low":[56],"probability":[57],"intercept":[59],"(LPI)":[60],"radar":[61],"signal.":[62],"In":[63],"this":[64],"paper,":[65],"method":[68,154,174],"both":[70],"Zone":[73],"(NZ)":[74],"index":[75],"chirp":[78,105,139],"rate":[79,106,140],"for":[80],"LFM":[82,97],"intercepted":[84],"by":[85,132,143],"was":[87,107,125,141,159],"proposed.":[88],"First,":[89],"according":[90],"to":[91],"time-frequency":[93],"characteristics":[94],"accurate":[100],"NZ":[101],"rough":[104],"estimated":[108],"based":[109],"on":[110],"least":[111],"squares":[112],"(LS)":[113],"random":[115],"sample":[116],"consensus":[117],"(RANSAC).":[118],"Then,":[119],"information":[121],"LO":[124],"removed":[126],"from":[127],"known":[134],"NZ,":[135],"precise":[138],"obtained":[142],"using":[144],"fractional":[146],"Fourier":[147],"transform":[148],"(FrFT).":[149],"Moreover,":[150],"fast":[152],"search":[153],"FrFT":[156],"optimal":[157],"order":[158],"presented,":[160],"could":[162,175],"obviously":[163],"reduce":[164],"computational":[166],"complexity.":[167],"simulation":[169],"demonstrated":[170],"that":[171],"proposed":[173],"precisely":[176],"estimate":[177],"parameters":[179],"NYFR.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
