{"id":"https://openalex.org/W2883471093","doi":"https://doi.org/10.1155/2018/6804197","title":"Fast Extraction for Skewed Source Signals Using Conditional Expectation","display_name":"Fast Extraction for Skewed Source Signals Using Conditional Expectation","publication_year":2018,"publication_date":"2018-07-22","ids":{"openalex":"https://openalex.org/W2883471093","doi":"https://doi.org/10.1155/2018/6804197","mag":"2883471093"},"language":"en","primary_location":{"id":"doi:10.1155/2018/6804197","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/6804197","pdf_url":"http://downloads.hindawi.com/journals/js/2018/6804197.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"http://downloads.hindawi.com/journals/js/2018/6804197.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085286197","display_name":"Qiao Su","orcid":"https://orcid.org/0000-0002-7583-9922"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qiao Su","raw_affiliation_strings":["College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China"],"affiliations":[{"raw_affiliation_string":"College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014988509","display_name":"Yimin Wei","orcid":"https://orcid.org/0000-0001-6192-0546"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yimin Wei","raw_affiliation_strings":["College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China"],"affiliations":[{"raw_affiliation_string":"College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101186505","display_name":"Changliang Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changliang Deng","raw_affiliation_strings":["College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China"],"affiliations":[{"raw_affiliation_string":"College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103130086","display_name":"Yuehong Shen","orcid":"https://orcid.org/0000-0001-5771-2410"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuehong Shen","raw_affiliation_strings":["College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China"],"affiliations":[{"raw_affiliation_string":"College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China","institution_ids":["https://openalex.org/I4210163363"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5085286197"],"corresponding_institution_ids":["https://openalex.org/I4210163363"],"apc_list":{"value":2100,"currency":"USD","value_usd":2100},"apc_paid":{"value":2100,"currency":"USD","value_usd":2100},"fwci":0.1658,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.44326679,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2018","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998999834060669,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9998999834060669,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9891999959945679,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9793999791145325,"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/underdetermined-system","display_name":"Underdetermined system","score":0.8469573259353638},{"id":"https://openalex.org/keywords/skewness","display_name":"Skewness","score":0.7566056251525879},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.7010745406150818},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6087173819541931},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5800963044166565},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.55223149061203},{"id":"https://openalex.org/keywords/conditional-probability","display_name":"Conditional probability","score":0.5115092992782593},{"id":"https://openalex.org/keywords/conditional-probability-distribution","display_name":"Conditional probability distribution","score":0.46094876527786255},{"id":"https://openalex.org/keywords/fault","display_name":"Fault (geology)","score":0.457660973072052},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.45528730750083923},{"id":"https://openalex.org/keywords/conditional-expectation","display_name":"Conditional expectation","score":0.4124853312969208},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.40256136655807495},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3491145968437195},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3106633424758911},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2973482012748718},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2911617159843445}],"concepts":[{"id":"https://openalex.org/C179690561","wikidata":"https://www.wikidata.org/wiki/Q4316110","display_name":"Underdetermined system","level":2,"score":0.8469573259353638},{"id":"https://openalex.org/C122342681","wikidata":"https://www.wikidata.org/wiki/Q330828","display_name":"Skewness","level":2,"score":0.7566056251525879},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.7010745406150818},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6087173819541931},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5800963044166565},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.55223149061203},{"id":"https://openalex.org/C44492722","wikidata":"https://www.wikidata.org/wiki/Q327069","display_name":"Conditional probability","level":2,"score":0.5115092992782593},{"id":"https://openalex.org/C43555835","wikidata":"https://www.wikidata.org/wiki/Q2300258","display_name":"Conditional probability distribution","level":2,"score":0.46094876527786255},{"id":"https://openalex.org/C175551986","wikidata":"https://www.wikidata.org/wiki/Q47089","display_name":"Fault (geology)","level":2,"score":0.457660973072052},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.45528730750083923},{"id":"https://openalex.org/C186215838","wikidata":"https://www.wikidata.org/wiki/Q772232","display_name":"Conditional expectation","level":2,"score":0.4124853312969208},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.40256136655807495},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3491145968437195},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3106633424758911},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2973482012748718},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2911617159843445},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2018/6804197","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/6804197","pdf_url":"http://downloads.hindawi.com/journals/js/2018/6804197.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:bcac496ebb824ec5a23957e9314bbf66","is_oa":true,"landing_page_url":"https://doaj.org/article/bcac496ebb824ec5a23957e9314bbf66","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Sensors, Vol 2018 (2018)","raw_type":"article"},{"id":"pmh:oai:hindawi.com:10.1155/2018/6804197","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/6804197","pdf_url":null,"source":{"id":"https://openalex.org/S4306400340","display_name":"Hindawi Journal of Chemistry (Hindawi)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210126990","host_organization_name":"Hindawi (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210126990"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Research Article"}],"best_oa_location":{"id":"doi:10.1155/2018/6804197","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/6804197","pdf_url":"http://downloads.hindawi.com/journals/js/2018/6804197.pdf","source":{"id":"https://openalex.org/S96783963","display_name":"Journal of Sensors","issn_l":"1687-725X","issn":["1687-725X","1687-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1244258580","display_name":null,"funder_award_id":"BK2012057","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2030376154","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3246406553","display_name":null,"funder_award_id":"201205","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3438984637","display_name":null,"funder_award_id":"61172061","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3910829908","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G4075928475","display_name":null,"funder_award_id":"Grant no.","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G4392150809","display_name":null,"funder_award_id":"12057","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5315835592","display_name":null,"funder_award_id":"61201242","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G5510978100","display_name":null,"funder_award_id":"BK2012057","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G5733390078","display_name":null,"funder_award_id":"Grant nos.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6626800926","display_name":null,"funder_award_id":"61201242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6785243435","display_name":null,"funder_award_id":"61172061","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8208342437","display_name":null,"funder_award_id":"1 and","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/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2883471093.pdf","grobid_xml":"https://content.openalex.org/works/W2883471093.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W1985353764","https://openalex.org/W1994995468","https://openalex.org/W2019502123","https://openalex.org/W2032665768","https://openalex.org/W2129810244","https://openalex.org/W2145106406","https://openalex.org/W2170980780","https://openalex.org/W2931683156"],"related_works":["https://openalex.org/W4233361406","https://openalex.org/W1523756637","https://openalex.org/W2592465853","https://openalex.org/W4250630220","https://openalex.org/W4210738546","https://openalex.org/W4384376816","https://openalex.org/W2963081535","https://openalex.org/W1569764406","https://openalex.org/W1649564401","https://openalex.org/W2808512302"],"abstract_inverted_index":{"The":[0,98],"extraction":[1],"of":[2,42,79,83,94,145,169,176],"the":[3,33,38,57,62,76,80,84,88,92,108,114,121,130,134,143,146,150,156,163,167],"stochastic":[4],"source":[5,35,93],"signals":[6],"whose":[7],"probability":[8],"density":[9],"functions":[10],"(PDFs)":[11],"are":[12],"skewed":[13,34],"is":[14,70,96,100,117,137,171],"very":[15],"important":[16],"in":[17,107,162],"many":[18],"applications":[19],"such":[20],"as":[21],"biomedical":[22],"signal":[23,36],"processing":[24],"and":[25,110,123,126,153],"mechanical":[26],"fault":[27],"diagnosis.":[28],"This":[29],"paper":[30],"shows":[31],"that":[32,71,101,133,155,175],"with":[37,56],"maximal":[39],"absolute":[40],"value":[41],"skewness":[43],"can":[44,103],"be":[45,104],"fast":[46],"extracted":[47],"by":[48],"a":[49],"proposed":[50,63,115,147,157],"algorithm":[51,116,148,158],"using":[52],"conditional":[53,59],"expectation.":[54],"Compared":[55],"existing":[58,151],"expectation-based":[60],"algorithms,":[61],"one":[64],"possesses":[65],"two":[66],"main":[67],"advantages.":[68],"One":[69],"it":[72,102],"does":[73,127],"not":[74,128],"require":[75],"prior":[77],"knowledge":[78],"positive":[81],"support":[82],"desired":[85],"source,":[86],"namely":[87],"time":[89],"indices":[90],"where":[91],"interest":[95],"positive.":[97],"other":[99],"employed":[105],"both":[106],"determined":[109],"underdetermined":[111,164],"cases.":[112],"Furthermore,":[113],"mainly":[118],"based":[119],"on":[120],"first-":[122],"second-order":[124],"statistics":[125],"need":[129],"preprocessing":[131],"so":[132],"computational":[135],"cost":[136],"significantly":[138],"low.":[139],"Simulation":[140],"results":[141],"show":[142],"superiority":[144],"over":[149],"methods":[152],"indicate":[154],"also":[159],"performs":[160],"well":[161],"case":[165],"when":[166],"number":[168],"sensors":[170],"slightly":[172],"less":[173],"than":[174],"sources.":[177]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
