{"id":"https://openalex.org/W2154793509","doi":"https://doi.org/10.1109/icassp.2011.5947317","title":"A combined linear programming-maximum likelihood approach to radial velocity data analysis for extrasolar planet detection","display_name":"A combined linear programming-maximum likelihood approach to radial velocity data analysis for extrasolar planet detection","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2154793509","doi":"https://doi.org/10.1109/icassp.2011.5947317","mag":"2154793509"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2011.5947317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5012466580","display_name":"Prabhu Babu","orcid":"https://orcid.org/0000-0002-9041-9010"},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"P. Babu","raw_affiliation_strings":["Division of Systems and Control, Department of Information Technology, University of Uppsala, Uppsala, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Systems and Control, Department of Information Technology, University of Uppsala, Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111938318","display_name":"Peter Stoica","orcid":null},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"P. Stoica","raw_affiliation_strings":["Division of Systems and Control, Department of Information Technology, University of Uppsala, Uppsala, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Systems and Control, Department of Information Technology, University of Uppsala, Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I123387679"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.24413917,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"4352","last_page":"4355"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9922999739646912,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13487","display_name":"Statistical and numerical algorithms","score":0.9864000082015991,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/radial-velocity","display_name":"Radial velocity","score":0.8277215957641602},{"id":"https://openalex.org/keywords/hyperparameter","display_name":"Hyperparameter","score":0.6017409563064575},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5301284193992615},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.5226849317550659},{"id":"https://openalex.org/keywords/spice","display_name":"Spice","score":0.4868828356266022},{"id":"https://openalex.org/keywords/star","display_name":"Star (game theory)","score":0.4375193119049072},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4291522800922394},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.4198075532913208},{"id":"https://openalex.org/keywords/exoplanet","display_name":"Exoplanet","score":0.4139208197593689},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4091852903366089},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3348377048969269},{"id":"https://openalex.org/keywords/astrophysics","display_name":"Astrophysics","score":0.24760010838508606},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2315114140510559},{"id":"https://openalex.org/keywords/stars","display_name":"Stars","score":0.221461683511734},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20535019040107727}],"concepts":[{"id":"https://openalex.org/C41074950","wikidata":"https://www.wikidata.org/wiki/Q240105","display_name":"Radial velocity","level":3,"score":0.8277215957641602},{"id":"https://openalex.org/C8642999","wikidata":"https://www.wikidata.org/wiki/Q4171168","display_name":"Hyperparameter","level":2,"score":0.6017409563064575},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5301284193992615},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.5226849317550659},{"id":"https://openalex.org/C2780077345","wikidata":"https://www.wikidata.org/wiki/Q16891888","display_name":"Spice","level":2,"score":0.4868828356266022},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.4375193119049072},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4291522800922394},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.4198075532913208},{"id":"https://openalex.org/C163479331","wikidata":"https://www.wikidata.org/wiki/Q44559","display_name":"Exoplanet","level":3,"score":0.4139208197593689},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4091852903366089},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3348377048969269},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.24760010838508606},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2315114140510559},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.221461683511734},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20535019040107727},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2011.5947317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W210359992","https://openalex.org/W1974618482","https://openalex.org/W1986195997","https://openalex.org/W1986316936","https://openalex.org/W2007829753","https://openalex.org/W2144464859","https://openalex.org/W2156893865","https://openalex.org/W2168887815","https://openalex.org/W2736267106","https://openalex.org/W3102171065","https://openalex.org/W3129927010","https://openalex.org/W6646968927"],"related_works":["https://openalex.org/W2805686072","https://openalex.org/W2204879205","https://openalex.org/W4241171306","https://openalex.org/W2729503761","https://openalex.org/W3101310883","https://openalex.org/W4376654142","https://openalex.org/W3111029372","https://openalex.org/W2015577047","https://openalex.org/W3083673884","https://openalex.org/W3186167859"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"introduce":[4],"a":[5,57,92,110,126],"new":[6,58],"technique":[7],"for":[8,23],"estimating":[9],"the":[10,13,32,85,117,120,139,146,155],"parameters":[11,30],"of":[12,46,76,109,119,138],"Keplerian":[14,33],"model":[15],"commonly":[16],"used":[17],"in":[18,31,154],"radial":[19,50,134],"velocity":[20,51,135],"data":[21,136],"analysis":[22],"extrasolar":[24],"planet":[25],"detection.":[26],"The":[27,98],"un":[28],"known":[29],"model,":[34],"namely":[35],"eccentricity":[36],"e,":[37],"orbital":[38],"frequency":[39],"f,":[40],"periastron":[41,47],"passage":[42],"time":[43],"T,":[44],"longitude":[45],"\u03c9,":[48],"and":[49,79,116,145],"amplitude":[52],"K":[53],"are":[54,104,149],"estimated":[55],"by":[56,107,125],"approach":[59],"named":[60],"SPICE":[61,68,86,103],"(a":[62],"semi-parametric":[63],"iterative":[64],"covariance-based":[65],"estimation":[66],"technique).":[67],"enjoys":[69],"global":[70],"convergence,":[71],"does":[72],"not":[73],"require":[74],"selection":[75],"any":[77],"hyperparameters,":[78],"is":[80,123,143],"computationally":[81],"efficient":[82,94],"(indeed":[83],"computing":[84],"estimates":[87,100,122],"boils":[88],"down":[89],"to":[90],"solving":[91],"numerically":[93],"linear":[95],"program":[96],"(LP)).":[97],"parameter":[99],"obtained":[101,148],"from":[102],"then":[105],"refined":[106],"means":[108],"relaxation-based":[111],"maximum":[112],"likelihood":[113,128],"algorithm":[114],"(RELAX)":[115],"significance":[118],"resultant":[121],"determined":[124],"generalized":[127],"ratio":[129],"test":[130],"(GLRT).":[131],"A":[132],"real-life":[133],"set":[137],"star":[140],"HD":[141],"9446":[142],"analyzed":[144],"results":[147],"compared":[150],"with":[151],"those":[152],"reported":[153],"literature.":[156]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
