{"id":"https://openalex.org/W2103703564","doi":"https://doi.org/10.1109/chinasip.2014.6889198","title":"An effective doa estimation by exploring the spatial sparse representation of the inter-sensor data ratio model","display_name":"An effective doa estimation by exploring the spatial sparse representation of the inter-sensor data ratio model","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2103703564","doi":"https://doi.org/10.1109/chinasip.2014.6889198","mag":"2103703564"},"language":"en","primary_location":{"id":"doi:10.1109/chinasip.2014.6889198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinasip.2014.6889198","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE China Summit &amp; International Conference on Signal and Information Processing (ChinaSIP)","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/A5102143875","display_name":"Yuexian Zou","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuexian Zou","raw_affiliation_strings":["ADSPLAB, Peking University, Shenzhen, China","Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ADSPLAB, Peking University, Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026759570","display_name":"Yifan Guo","orcid":"https://orcid.org/0000-0002-9700-5005"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yifan Guo","raw_affiliation_strings":["ADSPLAB, Peking University, Shenzhen, China","Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ADSPLAB, Peking University, Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113649943","display_name":"Weiqiao Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiqiao Zheng","raw_affiliation_strings":["ADSPLAB, Peking University, Shenzhen, China","Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ADSPLAB, Peking University, Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Sch. of Electron. Comput. Eng., Peking Univ., Shenzhen, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033818201","display_name":"Christian Ritz","orcid":"https://orcid.org/0000-0002-3768-7569"},"institutions":[{"id":"https://openalex.org/I204824540","display_name":"University of Wollongong","ror":"https://ror.org/00jtmb277","country_code":"AU","type":"education","lineage":["https://openalex.org/I204824540"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"C. H. Ritz","raw_affiliation_strings":["School of Electrical, Computer, and Telecommunications Engineering, University of Wollongong, Australia","Sch. of Electr., Comput. & Telecommun. Eng, Univ. of Wollongong, Wollongong, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Computer, and Telecommunications Engineering, University of Wollongong, Australia","institution_ids":["https://openalex.org/I204824540"]},{"raw_affiliation_string":"Sch. of Electr., Comput. & Telecommun. Eng, Univ. of Wollongong, Wollongong, NSW, Australia","institution_ids":["https://openalex.org/I204824540"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059212645","display_name":"Jiangtao Xi","orcid":"https://orcid.org/0000-0002-5550-1975"},"institutions":[{"id":"https://openalex.org/I204824540","display_name":"University of Wollongong","ror":"https://ror.org/00jtmb277","country_code":"AU","type":"education","lineage":["https://openalex.org/I204824540"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jiangtao Xi","raw_affiliation_strings":["School of Electrical, Computer, and Telecommunications Engineering, University of Wollongong, Australia","Sch. of Electr., Comput. & Telecommun. Eng, Univ. of Wollongong, Wollongong, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical, Computer, and Telecommunications Engineering, University of Wollongong, Australia","institution_ids":["https://openalex.org/I204824540"]},{"raw_affiliation_string":"Sch. of Electr., Comput. & Telecommun. Eng, Univ. of Wollongong, Wollongong, NSW, Australia","institution_ids":["https://openalex.org/I204824540"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"42","last_page":"46"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"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/T10860","display_name":"Speech and Audio Processing","score":1.0,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9991000294685364,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/computer-science","display_name":"Computer science","score":0.7023456692695618},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.701515793800354},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6447182893753052},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.5521333813667297},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5329232215881348},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.49527159333229065},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.49292993545532227},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4867129623889923},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.46803832054138184},{"id":"https://openalex.org/keywords/manifold","display_name":"Manifold (fluid mechanics)","score":0.4223775863647461},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.41640448570251465},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.406759113073349},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29310938715934753},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19185763597488403},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12950196862220764},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.10882484912872314}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7023456692695618},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.701515793800354},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6447182893753052},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.5521333813667297},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5329232215881348},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.49527159333229065},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.49292993545532227},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4867129623889923},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.46803832054138184},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.4223775863647461},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.41640448570251465},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.406759113073349},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29310938715934753},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19185763597488403},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12950196862220764},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.10882484912872314},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"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/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/chinasip.2014.6889198","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinasip.2014.6889198","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE China Summit &amp; International Conference on Signal and Information Processing (ChinaSIP)","raw_type":"proceedings-article"},{"id":"pmh:oai:ro.uow.edu.au:eispapers-4903","is_oa":false,"landing_page_url":"https://ro.uow.edu.au/eispapers/3884","pdf_url":null,"source":{"id":"https://openalex.org/S4306400510","display_name":"Research Online (University of Wollongong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I204824540","host_organization_name":"University of Wollongong","host_organization_lineage":["https://openalex.org/I204824540"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Faculty of Engineering and Information Sciences - Papers: Part A","raw_type":"presentation"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1974509544","https://openalex.org/W2043814392","https://openalex.org/W2047130136","https://openalex.org/W2061074721","https://openalex.org/W2103519107","https://openalex.org/W2117678320","https://openalex.org/W2120682028","https://openalex.org/W2128535524","https://openalex.org/W2135694049","https://openalex.org/W2136484266","https://openalex.org/W2160225629","https://openalex.org/W2164764235","https://openalex.org/W6665565033"],"related_works":["https://openalex.org/W2091883426","https://openalex.org/W2174948646","https://openalex.org/W2532156682","https://openalex.org/W3173235360","https://openalex.org/W2024017047","https://openalex.org/W4318256793","https://openalex.org/W2051410394","https://openalex.org/W2594370889","https://openalex.org/W2390720471","https://openalex.org/W1600789676"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"speaker":[3],"direction":[4],"of":[5,19,33,66,84,88,138],"arrival":[6],"(DOA)":[7],"estimation":[8,72,107,117,149],"using":[9,96],"a":[10],"single":[11],"acoustic":[12],"vector":[13],"sensor":[14],"(AVS).":[15],"With":[16,61],"the":[17,20,26,31,34,51,54,57,62,67,70,77,82,85,89,104,123,129,135,139,146],"definition":[18],"inter-sensor":[21],"data":[22,45],"ratio":[23,38],"(ISDR)":[24],"in":[25,155],"time-frequency":[27],"(TF)":[28],"domain":[29],"and":[30,56,80,98,115,133,165],"use":[32],"high":[35,113],"local":[36],"signal-to-noise":[37],"(HLSNR)":[39],"TF":[40],"points,":[41],"an":[42],"effective":[43],"ISDR":[44,55,68],"model":[46],"is":[47,73,109,125,143],"derived,":[48],"which":[49],"determines":[50],"relationship":[52],"between":[53],"AVS":[58,100],"manifold":[59],"vector.":[60],"spatial":[63,130],"sparse":[64,78,91],"representation":[65],"data,":[69],"DOA":[71,106,148],"formulated":[74],"by":[75],"recovering":[76],"matrix":[79],"locating":[81],"peak":[83],"power":[86],"spectrum":[87],"reconstructed":[90],"matrix.":[92],"Preliminary":[93],"experimental":[94],"results":[95],"simulations":[97],"real":[99],"recordings":[101],"show":[102],"that":[103,145],"proposed":[105,147],"method":[108,150],"able":[110],"to":[111,159],"achieve":[112],"elevation":[114],"azimuth":[116],"accuracy":[118],"for":[119],"all":[120],"angles":[121],"when":[122],"SNR":[124],"above":[126],"10dB,":[127],"avoiding":[128],"aliasing":[131],"problem":[132],"suppressing":[134],"adverse":[136],"impact":[137],"room":[140],"reverberation.":[141],"It":[142],"expected":[144],"may":[151],"find":[152],"wide":[153],"applications":[154],"portable":[156],"devices":[157],"due":[158],"its":[160],"small":[161],"compact":[162],"physical":[163],"size":[164],"superior":[166],"performance.":[167]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
