{"id":"https://openalex.org/W1997878328","doi":"https://doi.org/10.1109/taes.2012.6178093","title":"Detecting Number of Coherent Signals in Array Processing by Ljung-Box Statistic","display_name":"Detecting Number of Coherent Signals in Array Processing by Ljung-Box Statistic","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W1997878328","doi":"https://doi.org/10.1109/taes.2012.6178093","mag":"1997878328"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2012.6178093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2012.6178093","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Aerospace and Electronic Systems","raw_type":"journal-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/A5035844880","display_name":"Wei\u2010Ho Chung","orcid":"https://orcid.org/0000-0002-3041-7398"},"institutions":[{"id":"https://openalex.org/I4210086894","display_name":"Research Center for Information Technology Innovation, Academia Sinica","ror":"https://ror.org/000zgvm20","country_code":"TW","type":"facility","lineage":["https://openalex.org/I4210086894","https://openalex.org/I84653119"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Wei-Ho Chung","raw_affiliation_strings":["Research Center for Information Technology Innovation, Academia Sinica, Taipei, Taiwan","Acad. Sinica, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Research Center for Information Technology Innovation, Academia Sinica, Taipei, Taiwan","institution_ids":["https://openalex.org/I4210086894"]},{"raw_affiliation_string":"Acad. Sinica, Taipei, Taiwan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042192182","display_name":"Chiao-En Chen","orcid":"https://orcid.org/0000-0002-2150-4094"},"institutions":[{"id":"https://openalex.org/I148099254","display_name":"National Chung Cheng University","ror":"https://ror.org/0028v3876","country_code":"TW","type":"education","lineage":["https://openalex.org/I148099254"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chiao-En Chen","raw_affiliation_strings":["Electrical Engineering Department, National Chung Cheng University, Minsyong, Chiayi, Taiwan","National Chung Cheng University, ChiaYi, Taiwan#TAB#"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, National Chung Cheng University, Minsyong, Chiayi, Taiwan","institution_ids":["https://openalex.org/I148099254"]},{"raw_affiliation_string":"National Chung Cheng University, ChiaYi, Taiwan#TAB#","institution_ids":["https://openalex.org/I148099254"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5035844880"],"corresponding_institution_ids":["https://openalex.org/I4210086894"],"apc_list":null,"apc_paid":null,"fwci":0.2448,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51774235,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"48","issue":"2","first_page":"1739","last_page":"1747"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9998999834060669,"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/T10931","display_name":"Direction-of-Arrival Estimation 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/T10860","display_name":"Speech and Audio Processing","score":0.9973999857902527,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9966999888420105,"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/covariance-matrix","display_name":"Covariance matrix","score":0.6712636947631836},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6255403757095337},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.5926442742347717},{"id":"https://openalex.org/keywords/array-processing","display_name":"Array processing","score":0.5894858241081238},{"id":"https://openalex.org/keywords/minimum-description-length","display_name":"Minimum description length","score":0.5556026697158813},{"id":"https://openalex.org/keywords/statistic","display_name":"Statistic","score":0.5531986355781555},{"id":"https://openalex.org/keywords/akaike-information-criterion","display_name":"Akaike information criterion","score":0.5314793586730957},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.48300278186798096},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4202215075492859},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3898647725582123},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2616519331932068},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.12800434231758118}],"concepts":[{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.6712636947631836},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6255403757095337},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.5926442742347717},{"id":"https://openalex.org/C2778545087","wikidata":"https://www.wikidata.org/wiki/Q4795883","display_name":"Array processing","level":4,"score":0.5894858241081238},{"id":"https://openalex.org/C87465248","wikidata":"https://www.wikidata.org/wiki/Q1417790","display_name":"Minimum description length","level":2,"score":0.5556026697158813},{"id":"https://openalex.org/C89128539","wikidata":"https://www.wikidata.org/wiki/Q1949963","display_name":"Statistic","level":2,"score":0.5531986355781555},{"id":"https://openalex.org/C126674687","wikidata":"https://www.wikidata.org/wiki/Q1662573","display_name":"Akaike information criterion","level":2,"score":0.5314793586730957},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48300278186798096},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4202215075492859},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3898647725582123},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2616519331932068},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.12800434231758118},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2012.6178093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2012.6178093","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1774309483","https://openalex.org/W1814500939","https://openalex.org/W1974513581","https://openalex.org/W1996340537","https://openalex.org/W2004385997","https://openalex.org/W2021760340","https://openalex.org/W2032005532","https://openalex.org/W2055838441","https://openalex.org/W2078966899","https://openalex.org/W2083578220","https://openalex.org/W2093230975","https://openalex.org/W2096710051","https://openalex.org/W2101658087","https://openalex.org/W2103593873","https://openalex.org/W2113084775","https://openalex.org/W2117692638","https://openalex.org/W2123930706","https://openalex.org/W2128917116","https://openalex.org/W2134992817","https://openalex.org/W2140728947","https://openalex.org/W2157012960","https://openalex.org/W2158541895","https://openalex.org/W2162654459","https://openalex.org/W2904588591","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2987333292","https://openalex.org/W2148249824","https://openalex.org/W2041558648","https://openalex.org/W2096710051","https://openalex.org/W2544537192","https://openalex.org/W4214922909","https://openalex.org/W2134998394","https://openalex.org/W2423290227","https://openalex.org/W1537400798","https://openalex.org/W1740450934"],"abstract_inverted_index":{"We":[0,45],"investigate":[1],"the":[2,5,15,19,24,28,31,34,42,49,52,56,64,70,74,78,82,88,92,98,125,130,148,154],"detection":[3],"of":[4,7,14,18,30,33,51,58,63,69,77,87,97,106,147,157],"number":[6,57],"coherent":[8,20,43,59],"signals":[9,80],"in":[10,73],"array":[11],"processing.":[12],"Because":[13],"rank":[16],"deficiency":[17],"signal":[21,35,71],"covariance":[22,36],"matrix,":[23,37],"conventional":[25],"approaches,":[26,123],"exploiting":[27],"structures":[29],"eigenvalues":[32],"are":[38,112],"not":[39],"applicable":[40],"to":[41,47,54],"case.":[44],"propose":[46],"use":[48],"whiteness":[50,89],"residue":[53],"detect":[55],"signals.":[60,162],"The":[61,95,114,145],"steps":[62],"proposed":[65,99,115,149],"approach":[66,116,150],"include":[67],"estimation":[68],"parameters":[72],"model,":[75],"subtraction":[76],"estimated":[79],"from":[81],"observed":[83],"sequences,":[84],"and":[85,101,110,119,129,135,140,160],"computation":[86],"measure":[90],"by":[91,153],"Ljung-Box":[93],"statistic.":[94],"rationale":[96],"scheme":[100],"related":[102],"issues,":[103],"including":[104,124],"direction":[105],"arrival":[107],"estimation,":[108],"complexities,":[109],"performance,":[111],"discussed.":[113],"is":[117,151],"simulated":[118],"compared":[120],"with":[121],"well-known":[122],"Akaike":[126],"information":[127],"criterion":[128],"minimum":[131],"description":[132],"length":[133],"(MDL)":[134],"its":[136],"recent":[137],"versions":[138],"MDLB":[139],"MDLC,":[141],"through":[142],"numerical":[143,155],"examples.":[144],"effectiveness":[146],"verified":[152],"examples":[156],"2-,":[158],"3-,":[159],"4-source":[161]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}