{"id":"https://openalex.org/W4394000764","doi":"https://doi.org/10.1109/ncc60321.2024.10485736","title":"Active Sonar Detector in Sparse Time Dispersive Channel","display_name":"Active Sonar Detector in Sparse Time Dispersive Channel","publication_year":2024,"publication_date":"2024-02-28","ids":{"openalex":"https://openalex.org/W4394000764","doi":"https://doi.org/10.1109/ncc60321.2024.10485736"},"language":"en","primary_location":{"id":"doi:10.1109/ncc60321.2024.10485736","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ncc60321.2024.10485736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 National Conference on Communications (NCC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5061998219","display_name":"Rubin Jose Peter","orcid":"https://orcid.org/0000-0002-8235-7761"},"institutions":[{"id":"https://openalex.org/I4210101705","display_name":"Naval Physical & Oceanographic Laboratory","ror":"https://ror.org/017kv7q60","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1340206300","https://openalex.org/I2799351866","https://openalex.org/I4210101705","https://openalex.org/I4210150591"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Rubin Jose Peter","raw_affiliation_strings":["Naval Physical Oceanographic Laboratory,Kochi","Naval Physical Oceanographic Laboratory, Kochi"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Naval Physical Oceanographic Laboratory,Kochi","institution_ids":["https://openalex.org/I4210101705"]},{"raw_affiliation_string":"Naval Physical Oceanographic Laboratory, Kochi","institution_ids":["https://openalex.org/I4210101705"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005565135","display_name":"Sooraj K. Ambat","orcid":"https://orcid.org/0000-0002-3684-2221"},"institutions":[{"id":"https://openalex.org/I4210101705","display_name":"Naval Physical & Oceanographic Laboratory","ror":"https://ror.org/017kv7q60","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1340206300","https://openalex.org/I2799351866","https://openalex.org/I4210101705","https://openalex.org/I4210150591"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sooraj K Ambat","raw_affiliation_strings":["Naval Physical Oceanographic Laboratory,Kochi","Naval Physical Oceanographic Laboratory, Kochi"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Naval Physical Oceanographic Laboratory,Kochi","institution_ids":["https://openalex.org/I4210101705"]},{"raw_affiliation_string":"Naval Physical Oceanographic Laboratory, Kochi","institution_ids":["https://openalex.org/I4210101705"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210101705"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0423514,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9722999930381775,"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"}},"topics":[{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9722999930381775,"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/sonar","display_name":"Sonar","score":0.7896838784217834},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6917542219161987},{"id":"https://openalex.org/keywords/marine-mammals-and-sonar","display_name":"Marine mammals and sonar","score":0.6163122653961182},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5477003455162048},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5182928442955017},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3408795893192291},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.326432466506958},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.32443228363990784},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.250502347946167},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2359238564968109},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15406760573387146}],"concepts":[{"id":"https://openalex.org/C555745239","wikidata":"https://www.wikidata.org/wiki/Q133220","display_name":"Sonar","level":2,"score":0.7896838784217834},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6917542219161987},{"id":"https://openalex.org/C137184094","wikidata":"https://www.wikidata.org/wiki/Q6764300","display_name":"Marine mammals and sonar","level":3,"score":0.6163122653961182},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5477003455162048},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5182928442955017},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3408795893192291},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.326432466506958},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.32443228363990784},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.250502347946167},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2359238564968109},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15406760573387146}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ncc60321.2024.10485736","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ncc60321.2024.10485736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 National Conference on Communications (NCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5199999809265137,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2033368532","https://openalex.org/W2050160837","https://openalex.org/W2132662470","https://openalex.org/W2164079632","https://openalex.org/W2609055298","https://openalex.org/W2810290332","https://openalex.org/W2980166219","https://openalex.org/W2990994569","https://openalex.org/W3082326591","https://openalex.org/W4206180546","https://openalex.org/W4372347132"],"related_works":["https://openalex.org/W2392611223","https://openalex.org/W2049105424","https://openalex.org/W2362175816","https://openalex.org/W2016800904","https://openalex.org/W4285109196","https://openalex.org/W3003593517","https://openalex.org/W2999206242","https://openalex.org/W3197465599","https://openalex.org/W2041835195","https://openalex.org/W580836668"],"abstract_inverted_index":{"When":[0],"a":[1,5,15,49,57,119,123,128,154,187],"sonar":[2,42],"operates":[3],"in":[4,56,74,102,145,224],"shallow":[6],"water":[7],"condition,":[8],"echo":[9,34,88],"from":[10,25],"the":[11,22,32,37,41,60,75,78,81,92,95,103,108,112,132,140,143,146,175,192,196,205],"interested":[12],"target":[13,33,182],"contains":[14],"direct":[16],"path":[17],"signal":[18,65],"as":[19,21,118,163],"well":[20],"top-bottom":[23],"reflections":[24],"ocean":[26],"boundaries.":[27],"These":[28],"multi-path":[29,76,125],"arrivals":[30,180],"distort":[31],"and":[35],"affect":[36],"detection":[38,197],"performance":[39,79,176,206,220],"of":[40,63,80,111,142,181,191,195,207,221],"system.":[43],"Replica":[44],"correlator":[45,83,97],"(matched":[46],"filter)":[47],"is":[48,54,66,134,201],"commonly":[50,212],"used":[51,213],"detector,":[52],"which":[53,136,200],"optimal":[55],"scenario":[58],"when":[59],"scaled":[61],"version":[62],"transmitted":[64],"mixed":[67],"with":[68,122,210],"additive":[69],"white":[70],"Gaussian":[71],"noise.":[72],"However,":[73],"scenarios,":[77,107],"replica":[82,96],"degrades":[84],"due":[85],"to":[86,203],"this":[87,150],"distortion.":[89],"To":[90],"handle":[91],"delay":[93],"spread,":[94],"integrator":[98],"(RCI)":[99],"was":[100],"proposed":[101,172],"literature.":[104],"In":[105,127,149],"many":[106],"impulse":[109],"response":[110],"acoustic":[113,130,169],"channel":[114,144],"can":[115],"be":[116],"modeled":[117],"sparse":[120,129,164,167,208,222,225],"vector":[121],"few":[124],"components.":[126],"channel,":[131],"RCI":[133,165,209,223],"sub-optimum,":[135],"does":[137],"not":[138],"utilize":[139],"sparsity":[141],"detector":[147,161,173],"design.":[148],"paper,":[151],"we":[152],"introduce":[153],"new":[155],"generalized":[156],"likelihood":[157],"ratio":[158],"test":[159],"(GLRT)":[160],"named":[162],"for":[166],"underwater":[168],"channels.":[170,228],"The":[171,215],"enhances":[174],"by":[177],"using":[178],"multiple":[179],"echo.":[183],"We":[184],"also":[185],"derive":[186],"closed":[188],"form":[189],"expression":[190],"upper":[193],"bound":[194],"threshold":[198],"(DT),":[199],"useful":[202],"compare":[204],"other":[211],"detectors.":[214],"simulation":[216],"results":[217],"show":[218],"superior":[219],"time":[226],"dispersive":[227]},"counts_by_year":[],"updated_date":"2026-08-05T07:39:15.569665","created_date":"2025-10-10T00:00:00"}
