{"id":"https://openalex.org/W2471305137","doi":"https://doi.org/10.1109/tsp.2016.2582466","title":"Parameter Estimation of Wideband Underwater Acoustic Multipath Channels based on Fractional Fourier Transform","display_name":"Parameter Estimation of Wideband Underwater Acoustic Multipath Channels based on Fractional Fourier Transform","publication_year":2016,"publication_date":"2016-06-20","ids":{"openalex":"https://openalex.org/W2471305137","doi":"https://doi.org/10.1109/tsp.2016.2582466","mag":"2471305137"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2016.2582466","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2016.2582466","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","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/A5104224342","display_name":"Yanbo Zhao","orcid":"https://orcid.org/0000-0002-8112-291X"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yanbo Zhao","raw_affiliation_strings":["National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005656538","display_name":"Hua Yu","orcid":"https://orcid.org/0000-0002-0231-2978"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Yu","raw_affiliation_strings":["National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100367486","display_name":"Gang Wei","orcid":"https://orcid.org/0000-0002-1775-4760"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gang Wei","raw_affiliation_strings":["National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013766144","display_name":"Fei Ji","orcid":"https://orcid.org/0000-0003-1549-3322"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Ji","raw_affiliation_strings":["National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058218225","display_name":"Fangjiong Chen","orcid":"https://orcid.org/0000-0003-1031-492X"},"institutions":[{"id":"https://openalex.org/I90610280","display_name":"South China University of Technology","ror":"https://ror.org/0530pts50","country_code":"CN","type":"education","lineage":["https://openalex.org/I90610280"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangjiong Chen","raw_affiliation_strings":["National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Technology Research Center for Mobile Ultrasonic Detection, South China University of Technology, Guangzhou, China","institution_ids":["https://openalex.org/I90610280"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5104224342"],"corresponding_institution_ids":["https://openalex.org/I90610280"],"apc_list":null,"apc_paid":null,"fwci":11.5884,"has_fulltext":false,"cited_by_count":103,"citation_normalized_percentile":{"value":0.98967344,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"64","issue":"20","first_page":"5396","last_page":"5408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11210","display_name":"Mathematical Analysis and Transform Methods","score":0.9954000115394592,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.770093560218811},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.7292219400405884},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5789159536361694},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5538941621780396},{"id":"https://openalex.org/keywords/matched-filter","display_name":"Matched filter","score":0.5352210998535156},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5246755480766296},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.48921632766723633},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4706898033618927},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.46594369411468506},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4468199908733368},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.43282318115234375},{"id":"https://openalex.org/keywords/underwater-acoustics","display_name":"Underwater acoustics","score":0.4214455485343933},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.36299875378608704},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.348536878824234},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33926451206207275},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23151734471321106},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2120283544063568},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.2051759660243988},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.11985227465629578}],"concepts":[{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.770093560218811},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.7292219400405884},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5789159536361694},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5538941621780396},{"id":"https://openalex.org/C50151734","wikidata":"https://www.wikidata.org/wiki/Q1759577","display_name":"Matched filter","level":3,"score":0.5352210998535156},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5246755480766296},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.48921632766723633},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4706898033618927},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.46594369411468506},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4468199908733368},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.43282318115234375},{"id":"https://openalex.org/C67467970","wikidata":"https://www.wikidata.org/wiki/Q1292425","display_name":"Underwater acoustics","level":3,"score":0.4214455485343933},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.36299875378608704},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.348536878824234},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33926451206207275},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23151734471321106},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2120283544063568},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.2051759660243988},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.11985227465629578},{"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/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"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/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2016.2582466","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2016.2582466","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7699999809265137,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G2819354775","display_name":null,"funder_award_id":"61431005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3012412464","display_name":null,"funder_award_id":"61322108","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4314642229","display_name":null,"funder_award_id":"NCET-12-0196","funder_id":"https://openalex.org/F4320334924","funder_display_name":"Program for New Century Excellent Talents in University"},{"id":"https://openalex.org/G4944141020","display_name":null,"funder_award_id":"61302120","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5202030268","display_name":null,"funder_award_id":"61327005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8285426116","display_name":null,"funder_award_id":"61372081","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/F4320334924","display_name":"Program for New Century Excellent Talents in University","ror":"https://ror.org/01mv9t934"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W588135687","https://openalex.org/W1534849674","https://openalex.org/W2014724694","https://openalex.org/W2017590238","https://openalex.org/W2035316419","https://openalex.org/W2037934851","https://openalex.org/W2040742534","https://openalex.org/W2046432601","https://openalex.org/W2060296971","https://openalex.org/W2060720019","https://openalex.org/W2072482572","https://openalex.org/W2078938486","https://openalex.org/W2079245769","https://openalex.org/W2105416564","https://openalex.org/W2107736073","https://openalex.org/W2108710836","https://openalex.org/W2110063971","https://openalex.org/W2114793899","https://openalex.org/W2131665779","https://openalex.org/W2135525083","https://openalex.org/W2137628444","https://openalex.org/W2145576488","https://openalex.org/W2148036654","https://openalex.org/W2150774635","https://openalex.org/W2160449000","https://openalex.org/W2164733592","https://openalex.org/W2170984917","https://openalex.org/W2329725549","https://openalex.org/W2542987532","https://openalex.org/W6683335614","https://openalex.org/W6729133100"],"related_works":["https://openalex.org/W2074001190","https://openalex.org/W2376969857","https://openalex.org/W614679600","https://openalex.org/W2110252992","https://openalex.org/W2374362863","https://openalex.org/W2365309764","https://openalex.org/W3147407340","https://openalex.org/W2025635845","https://openalex.org/W2389746777","https://openalex.org/W2347906193"],"abstract_inverted_index":{"Because":[0],"of":[1,37,45,59,85,105,110,120,127,169,191,198,209],"relative":[2],"motion":[3],"between":[4],"transmitter":[5],"and":[6,42,67,156,188,224,232],"receiver,":[7],"the":[8,60,86,93,100,103,106,123,128,141,167,174,181,185,192,199,207,215,219,234,240],"wideband":[9],"underwater":[10,52,200],"acoustic":[11,201],"multipath":[12,171],"channel":[13,202],"can":[14,32,114],"be":[15,33,115,178],"more":[16],"accurately":[17],"described":[18],"by":[19,57],"a":[20,118,135,170],"multi-scale":[21],"multi-lag":[22],"(MSML)":[23],"model.":[24],"The":[25,75,145,196],"signal":[26,89,97],"components":[27],"received":[28,129,182],"from":[29,180],"different":[30],"paths":[31],"differentiated":[34],"in":[35,78,152,229,245],"terms":[36],"Doppler":[38,107],"scales,":[39],"time":[40,154],"delays,":[41],"amplitudes.":[43],"Estimation":[44],"these":[46],"parameters":[47,168],"is":[48,73,137,203],"essential":[49],"for":[50,70,122,149],"many":[51],"applications.":[53],"In":[54],"this":[55],"paper,":[56],"virtue":[58],"fractional":[61,125,143],"Fourier":[62],"transform":[63],"(FrFT),":[64],"an":[65,79],"accurate":[66],"efficient":[68],"method":[69,244],"parameter":[71,83,164,236],"estimation":[72,104,237],"proposed.":[74],"algorithm":[76,217],"proceeds":[77],"iterative":[80],"manner,":[81],"returning":[82],"estimates":[84],"most":[87],"dominant":[88,112],"component":[90,113,176],"successively.":[91],"With":[92],"linear":[94],"frequency":[95],"modulation":[96],"employed":[98],"as":[99],"probe":[101,194],"signal,":[102,151],"scale":[108],"factor":[109],"each":[111,133],"converted":[116],"into":[117],"process":[119],"searching":[121],"optimal":[124,142],"angle/order":[126],"signal's":[130],"FrFT.":[131],"At":[132],"iteration,":[134],"sub-iteration":[136],"contained":[138],"to":[139,161,205],"adjust":[140],"order.":[144],"pulse":[146],"compression":[147],"techniques":[148],"LFM":[150],"both":[153],"domain":[155,222,227],"FrFT":[157,221,226],"domain,":[158],"are":[159,172],"utilized":[160],"obtain":[162],"precise":[163],"estimates.":[165],"Once":[166],"estimated,":[173],"corresponding":[175],"will":[177],"separated":[179],"signal-through":[183],"eliminating":[184],"resampled,":[186],"delayed":[187],"attenuated":[189],"version":[190],"original":[193],"signal.":[195],"sparsity":[197],"considered":[204],"reduce":[206],"amount":[208],"calculation.":[210],"Simulation":[211],"results":[212],"confrm":[213],"that":[214,233],"proposed":[216,235],"outperforms":[218],"existing":[220],"filter":[223,228],"short-time":[225],"multicomponent":[230],"separation,":[231],"scheme":[238],"surpasses":[239],"matching":[241],"pursuit":[242],"based":[243],"accuracy.":[246]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":19},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
