{"id":"https://openalex.org/W2124307838","doi":"https://doi.org/10.1109/icassp.2008.4518171","title":"Energy-based source localization with non-ideal energy decay factor","display_name":"Energy-based source localization with non-ideal energy decay factor","publication_year":2008,"publication_date":"2008-03-01","ids":{"openalex":"https://openalex.org/W2124307838","doi":"https://doi.org/10.1109/icassp.2008.4518171","mag":"2124307838"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2008.4518171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518171","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-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/A5101448246","display_name":"Ming Sun","orcid":"https://orcid.org/0000-0002-1306-9889"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]},{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ming Sun","raw_affiliation_strings":["Department of ECE, University of Missouri, Columbia, Columbia, MO, USA","Dept. of ECE, Missouri-Columbia Univ., Columbia, MO"],"affiliations":[{"raw_affiliation_string":"Department of ECE, University of Missouri, Columbia, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Dept. of ECE, Missouri-Columbia Univ., Columbia, MO","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027768147","display_name":"K. C. Ho","orcid":"https://orcid.org/0000-0002-4883-2151"},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]},{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. C. Ho","raw_affiliation_strings":["Department of ECE, University of Missouri, Columbia, Columbia, MO, USA","Dept. of ECE, Missouri-Columbia Univ., Columbia, MO"],"affiliations":[{"raw_affiliation_string":"Department of ECE, University of Missouri, Columbia, Columbia, MO, USA","institution_ids":["https://openalex.org/I76835614"]},{"raw_affiliation_string":"Dept. of ECE, Missouri-Columbia Univ., Columbia, MO","institution_ids":["https://openalex.org/I78577930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101448246"],"corresponding_institution_ids":["https://openalex.org/I76835614","https://openalex.org/I78577930"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.13961814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"2561","last_page":"2564"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9990000128746033,"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":0.9990000128746033,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9988999962806702,"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9854000210762024,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.7306696772575378},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.6966893076896667},{"id":"https://openalex.org/keywords/ideal","display_name":"Ideal (ethics)","score":0.664219856262207},{"id":"https://openalex.org/keywords/decay-energy","display_name":"Decay energy","score":0.6296980977058411},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5692968964576721},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5540046691894531},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5336881875991821},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4644480049610138},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4402911067008972},{"id":"https://openalex.org/keywords/gaussian-noise","display_name":"Gaussian noise","score":0.4205594062805176},{"id":"https://openalex.org/keywords/computational-physics","display_name":"Computational physics","score":0.3669091463088989},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.32105159759521484},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2926711440086365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2767218351364136},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.18999072909355164},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.14498800039291382},{"id":"https://openalex.org/keywords/decay-scheme","display_name":"Decay scheme","score":0.12053060531616211},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.10248059034347534}],"concepts":[{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.7306696772575378},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.6966893076896667},{"id":"https://openalex.org/C2776639384","wikidata":"https://www.wikidata.org/wiki/Q840396","display_name":"Ideal (ethics)","level":2,"score":0.664219856262207},{"id":"https://openalex.org/C86135176","wikidata":"https://www.wikidata.org/wiki/Q191632","display_name":"Decay energy","level":4,"score":0.6296980977058411},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5692968964576721},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5540046691894531},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5336881875991821},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4644480049610138},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4402911067008972},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.4205594062805176},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.3669091463088989},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.32105159759521484},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2926711440086365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2767218351364136},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.18999072909355164},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.14498800039291382},{"id":"https://openalex.org/C101154568","wikidata":"https://www.wikidata.org/wiki/Q191638","display_name":"Decay scheme","level":3,"score":0.12053060531616211},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10248059034347534},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C7910260","wikidata":"https://www.wikidata.org/wiki/Q11523","display_name":"Gamma ray","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2008.4518171","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518171","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2037958743","https://openalex.org/W2097722237","https://openalex.org/W2105738738","https://openalex.org/W2107074295","https://openalex.org/W2114404361","https://openalex.org/W2131247345","https://openalex.org/W2154347068"],"related_works":["https://openalex.org/W1479746946","https://openalex.org/W2143803213","https://openalex.org/W2055757274","https://openalex.org/W2511739151","https://openalex.org/W2155014562","https://openalex.org/W2134404114","https://openalex.org/W1964936841","https://openalex.org/W2026659681","https://openalex.org/W2185708237","https://openalex.org/W2108683080"],"abstract_inverted_index":{"Free-space":[0],"propagation":[1],"with":[2,41,58],"the":[3,33,52,61,76,79,94,104,108,115],"energy":[4,20,43,62,80,96],"decay":[5,21,44,63,81,97],"factor":[6,45,98],"equal":[7],"to":[8,60,71,75,119],"two":[9,27],"is":[10,69],"often":[11],"assumed":[12],"in":[13,56,67,78],"energy-based":[14],"localization":[15,40,53],"algorithms.":[16],"In":[17],"practice,":[18],"non-ideal":[19,42,95],"factors":[22],"that":[23,92,103],"are":[24],"different":[25],"from":[26],"can":[28],"occur.":[29],"This":[30,83],"paper":[31,84],"derives":[32],"Cramer-Rao":[34],"Lower":[35],"Bound":[36],"(CRLB)":[37],"for":[38,90,111],"source":[39],"and":[46],"performs":[47],"a":[48],"sensitivity":[49],"analysis":[50],"of":[51],"algorithm":[54,66,89],"presented":[55],"[6]":[57,68,91],"respect":[59],"factor.":[64,82],"The":[65],"found":[70],"be":[72],"quite":[73],"sensitive":[74],"variations":[77],"then":[85],"proposes":[86],"an":[87],"extended":[88],"takes":[93],"into":[99],"account.":[100],"Simulations":[101],"show":[102],"proposed":[105],"solution":[106],"reaches":[107],"CRLB":[109],"accuracy":[110],"Gaussian":[112],"noise":[113],"as":[114],"signal-to-noise":[116],"ratio":[117],"tends":[118],"infinity.":[120]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}