{"id":"https://openalex.org/W7166056709","doi":"https://doi.org/10.1016/j.sigpro.2026.110791","title":"Accurate speed and range estimation from dual hyperbolic frequency modulated signals","display_name":"Accurate speed and range estimation from dual hyperbolic frequency modulated signals","publication_year":2026,"publication_date":"2026-06-26","ids":{"openalex":"https://openalex.org/W7166056709","doi":"https://doi.org/10.1016/j.sigpro.2026.110791"},"language":"en","primary_location":{"id":"doi:10.1016/j.sigpro.2026.110791","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sigpro.2026.110791","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.sigpro.2026.110791","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080496714","display_name":"Teodoro Aguilera","orcid":"https://orcid.org/0000-0001-9436-5999"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Teodoro Aguilera","raw_affiliation_strings":["Sensory System Research Group, University of Extremadura, Badajoz, 06006, Spain"],"raw_orcid":"https://orcid.org/0000-0001-9436-5999","affiliations":[{"raw_affiliation_string":"Sensory System Research Group, University of Extremadura, Badajoz, 06006, Spain","institution_ids":["https://openalex.org/I80606768"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100711342","display_name":"Fernando J. \u00c1lvarez","orcid":"https://orcid.org/0000-0002-7610-1452"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Fernando J. \u00c1lvarez","raw_affiliation_strings":["Sensory System Research Group, University of Extremadura, Badajoz, 06006, Spain"],"raw_orcid":"https://orcid.org/0000-0002-7610-1452","affiliations":[{"raw_affiliation_string":"Sensory System Research Group, University of Extremadura, Badajoz, 06006, Spain","institution_ids":["https://openalex.org/I80606768"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5080496714"],"corresponding_institution_ids":["https://openalex.org/I80606768"],"apc_list":{"value":3200,"currency":"USD","value_usd":3200},"apc_paid":{"value":3200,"currency":"USD","value_usd":3200},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.85362319,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"250","issue":null,"first_page":"110791","last_page":"110791"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.13940000534057617,"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"}},"topics":[{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.13940000534057617,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.0989999994635582,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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":0.09080000221729279,"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/range","display_name":"Range (aeronautics)","score":0.5965999960899353},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.4433000087738037},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.43970000743865967},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.34470000863075256},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.3190999925136566},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.2890999913215637}],"concepts":[{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5965999960899353},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.47620001435279846},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.4433000087738037},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.43970000743865967},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.436599999666214},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4172999858856201},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37389999628067017},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35010001063346863},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.34470000863075256},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3425000011920929},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33309999108314514},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.3190999925136566},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.2890999913215637},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.27570000290870667},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.2750000059604645},{"id":"https://openalex.org/C145995521","wikidata":"https://www.wikidata.org/wiki/Q639897","display_name":"Pulse compression","level":3,"score":0.2743000090122223},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.2676999866962433}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.sigpro.2026.110791","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sigpro.2026.110791","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.sigpro.2026.110791","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sigpro.2026.110791","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5287128686904907,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320315062","display_name":"Ministerio de Ciencia, Innovaci\u00f3n y Universidades","ror":null},{"id":"https://openalex.org/F4320328352","display_name":"Junta de Extremadura","ror":"https://ror.org/01df4mv68"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1994214279","https://openalex.org/W2002916735","https://openalex.org/W2013264571","https://openalex.org/W2017934388","https://openalex.org/W2078938486","https://openalex.org/W2092454609","https://openalex.org/W2121342853","https://openalex.org/W2137694418","https://openalex.org/W2147016563","https://openalex.org/W2168881285","https://openalex.org/W2611266990","https://openalex.org/W2667985538","https://openalex.org/W2802574035","https://openalex.org/W3010374416","https://openalex.org/W3099516582","https://openalex.org/W3167171078","https://openalex.org/W3178431741","https://openalex.org/W4386034673","https://openalex.org/W4391074094","https://openalex.org/W4396782892"],"related_works":[],"abstract_inverted_index":{"Accurate":[0],"speed":[1,78,101,146],"and":[2,10,26,38,54,66,73,79,96,102,139,233],"range":[3,103,166,201],"estimation":[4,75,147,167,224],"is":[5],"critical":[6],"in":[7,225],"modern":[8],"radar":[9],"sonar":[11,119,235],"systems":[12],"operating":[13],"under":[14,93,185],"challenging":[15],"conditions":[16],"such":[17],"as":[18,177,179,211],"high":[19],"target":[20,77,158],"velocities,":[21],"low":[22,178],"Signal-to-Noise":[23,136],"Ratios":[24],"(SNRs),":[25],"Doppler-induced":[27],"distortions.":[28],"Traditional":[29],"linear":[30],"frequency-modulated":[31],"(LFM)":[32],"signals":[33,210],"suffer":[34],"from":[35,105],"range-Doppler":[36],"coupling":[37],"reduced":[39],"correlation":[40,110],"performance":[41],"when":[42],"subjected":[43],"to":[44,70,162,198,215,231],"substantial":[45],"Doppler":[46,94],"shifts.":[47],"This":[48],"paper":[49],"presents":[50],"a":[51,212],"comprehensive":[52],"analytical":[53],"simulation-based":[55],"study":[56],"of":[57,76,90,109,116,126,160],"Dual":[58],"Hyperbolic":[59],"Frequency-Modulated":[60],"(DHFM)":[61],"signals,":[62],"which":[63],"combine":[64],"upward":[65],"downward":[67],"frequency":[68],"sweeps":[69],"enable":[71],"simultaneous":[72],"decoupled":[74],"range.":[80],"We":[81],"derive":[82],"closed-form":[83],"expressions":[84],"for":[85,100,153,219],"the":[86,106,124,130],"matched":[87],"filter":[88],"response":[89],"DHFM":[91,209],"waveforms":[92,218],"scaling":[95],"develop":[97],"explicit":[98],"formulas":[99],"extraction":[104],"time":[107],"separation":[108],"peaks.":[111],"Through":[112],"extensive":[113],"software":[114],"simulations":[115],"an":[117],"airborne":[118,232],"system,":[120],"we":[121],"systematically":[122],"evaluate":[123],"impact":[125],"three":[127],"key":[128],"parameters:":[129],"sweep":[131],"rate":[132],"(":[133],"k":[134,154,204],"),":[135],"Ratio":[137],"(SNR),":[138],"propagation-induced":[140],"attenuation.":[141],"Our":[142],"results":[143],"demonstrate":[144],"that":[145,192],"errors":[148],"drop":[149],"below":[150,169],"0.05":[151],"m/s":[152],">":[155],"5000":[156],"across":[157],"speeds":[159],"up":[161,197],"100":[163],"m/s,":[164],"while":[165],"remains":[168],"0.2":[170],"m":[171,200],"accuracy":[172],"even":[173],"at":[174],"SNR":[175],"levels":[176],"-15":[180],"dB.":[181],"Distance":[182],"attenuation":[183],"analysis":[184],"ISO":[186],"9613-1":[187],"atmospheric":[188],"absorption":[189],"models":[190],"shows":[191],"both":[193],"estimators":[194],"remain":[195],"robust":[196],"200":[199],"with":[202,228],"moderate":[203],"values.":[205],"The":[206],"findings":[207],"establish":[208],"superior":[213],"alternative":[214],"conventional":[216],"LFM":[217],"applications":[220],"requiring":[221],"high-accuracy":[222],"parameter":[223],"Doppler-sensitive":[226],"environments,":[227],"particular":[229],"relevance":[230],"underwater":[234],"systems.":[236]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-27T00:00:00"}