{"id":"https://openalex.org/W2011821798","doi":"https://doi.org/10.1109/sam.2012.6250535","title":"Broadband field directionality mapping with spatially-aliased arrays","display_name":"Broadband field directionality mapping with spatially-aliased arrays","publication_year":2012,"publication_date":"2012-06-01","ids":{"openalex":"https://openalex.org/W2011821798","doi":"https://doi.org/10.1109/sam.2012.6250535","mag":"2011821798"},"language":"en","primary_location":{"id":"doi:10.1109/sam.2012.6250535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2012.6250535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop (SAM)","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/A5068481881","display_name":"Jonathan L. Odom","orcid":null},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jonathan L. Odom","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","Dept. of Electrical and Computer Engineering, Duke Univ., PO Box 90291 Durham, NC 27708, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, Duke Univ., PO Box 90291 Durham, NC 27708, USA","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111692284","display_name":"Jeffrey Krolik","orcid":null},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey L. Krolik","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","Dept. of Electrical and Computer Engineering, Duke Univ., PO Box 90291 Durham, NC 27708, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, Duke Univ., PO Box 90291 Durham, NC 27708, USA","institution_ids":["https://openalex.org/I170897317"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5068481881"],"corresponding_institution_ids":["https://openalex.org/I170897317"],"apc_list":null,"apc_paid":null,"fwci":0.4897,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.65241707,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4053","issue":null,"first_page":"449","last_page":"452"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9991000294685364,"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"}},{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9991000294685364,"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/broadband","display_name":"Broadband","score":0.7397702932357788},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.614899754524231},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5345335006713867},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5325887203216553},{"id":"https://openalex.org/keywords/grating","display_name":"Grating","score":0.4603654146194458},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.4430598020553589},{"id":"https://openalex.org/keywords/uncorrelated","display_name":"Uncorrelated","score":0.4212179183959961},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32209959626197815},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27969878911972046},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26458024978637695},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.24819698929786682},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22687360644340515},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.154676616191864},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14250320196151733},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10726764798164368}],"concepts":[{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.7397702932357788},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.614899754524231},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5345335006713867},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5325887203216553},{"id":"https://openalex.org/C2777813233","wikidata":"https://www.wikidata.org/wiki/Q1527816","display_name":"Grating","level":2,"score":0.4603654146194458},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.4430598020553589},{"id":"https://openalex.org/C169345407","wikidata":"https://www.wikidata.org/wiki/Q8216221","display_name":"Uncorrelated","level":2,"score":0.4212179183959961},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32209959626197815},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27969878911972046},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26458024978637695},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24819698929786682},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22687360644340515},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.154676616191864},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14250320196151733},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10726764798164368},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sam.2012.6250535","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sam.2012.6250535","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 7th Sensor Array and Multichannel Signal Processing Workshop (SAM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1553194214","https://openalex.org/W1980679585","https://openalex.org/W2075721610","https://openalex.org/W2085276993","https://openalex.org/W2096803718","https://openalex.org/W2124372084","https://openalex.org/W2124929172","https://openalex.org/W6633164890"],"related_works":["https://openalex.org/W2360779366","https://openalex.org/W2027155377","https://openalex.org/W1504916935","https://openalex.org/W1995027010","https://openalex.org/W4390523528","https://openalex.org/W2076370413","https://openalex.org/W3098802023","https://openalex.org/W2069534145","https://openalex.org/W2018572729","https://openalex.org/W4210453999"],"abstract_inverted_index":{"This":[0,44],"paper":[1,45],"addresses":[2],"the":[3,20,37,61,66,81,100,114,117],"problem":[4],"of":[5,99,116],"broadband":[6,54],"spatial":[7,62,82,121],"spectrum":[8,63,83],"estimation":[9],"using":[10,17,103],"multiple":[11,29],"spatially-aliased":[12],"arrays.":[13,107],"Unlike":[14],"previous":[15],"approaches":[16],"sparse":[18],"arrays,":[19],"signals":[21],"here":[22],"are":[23,110],"assumed":[24],"to":[25,59,86,112,119],"be":[26,35],"uncorrelated":[27],"between":[28],"arrays":[30],"which,":[31],"in":[32,57,130],"fact,":[33],"may":[34],"receiving":[36],"same":[38],"source":[39],"during":[40],"different":[41,106],"time":[42],"intervals.":[43],"presents":[46],"an":[47,131],"approach":[48],"which":[49,92],"jointly":[50],"exploits":[51],"spatial-orientation":[52],"and":[53,124],"temporal":[55],"diversity":[56],"order":[58],"estimate":[60],"even":[64],"when":[65],"inter-element":[67],"spacing":[68],"within":[69],"each":[70],"array":[71],"is":[72,84,93],"greater":[73],"than":[74],"a":[75,88,96],"half-wavelength.":[76],"A":[77],"dynamical":[78],"model":[79],"for":[80],"employed":[85],"formulate":[87],"maximum":[89],"likelihood":[90],"estimate,":[91],"computed":[94],"via":[95],"recursive":[97],"version":[98],"expectation-maximization":[101],"algorithm":[102],"data":[104],"from":[105],"Simulation":[108],"results":[109],"presented":[111],"demonstrate":[113],"ability":[115],"method":[118],"suppress":[120],"grating":[122],"lobes":[123],"increase":[125],"low":[126],"SNR":[127],"target":[128],"detection":[129],"interference":[132],"dominated":[133],"environment.":[134]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
