{"id":"https://openalex.org/W2901982734","doi":"https://doi.org/10.1109/hpec.2018.8547524","title":"Accelerated Aperture Synthesis from Free-flying Collectors","display_name":"Accelerated Aperture Synthesis from Free-flying Collectors","publication_year":2018,"publication_date":"2018-09-01","ids":{"openalex":"https://openalex.org/W2901982734","doi":"https://doi.org/10.1109/hpec.2018.8547524","mag":"2901982734"},"language":"en","primary_location":{"id":"doi:10.1109/hpec.2018.8547524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/hpec.2018.8547524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE High Performance extreme Computing Conference (HPEC)","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/A5047449802","display_name":"Zachary K. Baker","orcid":"https://orcid.org/0000-0003-3129-8287"},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zachary K. Baker","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057211298","display_name":"Vinay Ramakrishnaiah","orcid":"https://orcid.org/0000-0002-2925-4798"},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vinay Ramakrishnaiah","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110714460","display_name":"Josh Payne","orcid":null},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Josh Payne","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034429134","display_name":"Jon Woodring","orcid":null},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jon Woodring","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027668966","display_name":"Nicholas Dallmann","orcid":"https://orcid.org/0000-0003-2101-0040"},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nicholas Dallmann","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008513014","display_name":"W. Junor","orcid":"https://orcid.org/0000-0003-4740-8321"},"institutions":[{"id":"https://openalex.org/I1343871089","display_name":"Los Alamos National Laboratory","ror":"https://ror.org/01e41cf67","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William Junor","raw_affiliation_strings":["Los Alamos National Laboratory, Los Alamos, NM"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Los Alamos National Laboratory, Los Alamos, NM","institution_ids":["https://openalex.org/I1343871089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1343871089"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18055157,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9995999932289124,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9995999932289124,"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/T10655","display_name":"GNSS positioning and interference","score":0.9986000061035156,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.9980000257492065,"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/fdoa","display_name":"FDOA","score":0.9059793949127197},{"id":"https://openalex.org/keywords/multilateration","display_name":"Multilateration","score":0.7600514888763428},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7389653921127319},{"id":"https://openalex.org/keywords/ambiguity-function","display_name":"Ambiguity function","score":0.6256619095802307},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4512070119380951},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.445407509803772},{"id":"https://openalex.org/keywords/geolocation","display_name":"Geolocation","score":0.42665165662765503},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.4100757837295532},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32469066977500916},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22677862644195557},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.19931653141975403},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14742806553840637},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14225104451179504},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.1384558379650116},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.116879403591156}],"concepts":[{"id":"https://openalex.org/C14774633","wikidata":"https://www.wikidata.org/wiki/Q5425288","display_name":"FDOA","level":4,"score":0.9059793949127197},{"id":"https://openalex.org/C104037064","wikidata":"https://www.wikidata.org/wiki/Q1640884","display_name":"Multilateration","level":3,"score":0.7600514888763428},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7389653921127319},{"id":"https://openalex.org/C50878840","wikidata":"https://www.wikidata.org/wiki/Q3206297","display_name":"Ambiguity function","level":4,"score":0.6256619095802307},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4512070119380951},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.445407509803772},{"id":"https://openalex.org/C22041718","wikidata":"https://www.wikidata.org/wiki/Q638949","display_name":"Geolocation","level":2,"score":0.42665165662765503},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.4100757837295532},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32469066977500916},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22677862644195557},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.19931653141975403},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14742806553840637},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14225104451179504},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.1384558379650116},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.116879403591156},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/hpec.2018.8547524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/hpec.2018.8547524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE High Performance extreme Computing Conference (HPEC)","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":7,"referenced_works":["https://openalex.org/W1593719892","https://openalex.org/W1892602963","https://openalex.org/W2135479785","https://openalex.org/W2161101713","https://openalex.org/W2476515528","https://openalex.org/W2810746153","https://openalex.org/W4252713891"],"related_works":["https://openalex.org/W2027655252","https://openalex.org/W4390570342","https://openalex.org/W2776253891","https://openalex.org/W2167167730","https://openalex.org/W2007780995","https://openalex.org/W2099670352","https://openalex.org/W2147010617","https://openalex.org/W2906254345","https://openalex.org/W2800666448","https://openalex.org/W2803724764"],"abstract_inverted_index":{"Radio":[0],"frequency":[1,124,194],"aperture":[2],"synthesis":[3],"from":[4],"multiple":[5],"free-flying":[6],"collectors":[7,46],"is":[8,75,96,103,148],"traditionally":[9],"dependent":[10],"on":[11,50],"highly":[12],"accurate":[13,80],"intra-constellation":[14],"metrology":[15],"and":[16,27,59,117,125,185,193,217],"shared":[17],"clocks.":[18],"We":[19],"demonstrate":[20],"that":[21,47],"relaxed":[22],"precision":[23],"of":[24,44,79,93,105,170,175,177],"relative":[25],"positioning":[26],"clocking":[28],"can":[29,48],"be":[30],"acceptable":[31],"through":[32],"computational":[33],"means":[34],"in":[35,153,202],"post":[36],"processing.":[37],"The":[38],"work":[39,160],"assumes":[40],"a":[41,106,118,144,167,190],"small":[42],"cluster":[43],"RF":[45],"collect":[49],"an":[51,97],"emitter":[52],"at":[53,86],"the":[54,87,94,131,149,171,178,203],"same":[55],"time,":[56,123,184],"with":[57,137,207],"position":[58],"time":[60,146,192],"accuracy":[61],"provided":[62],"by":[63],"commonly":[64],"available":[65],"aerospace":[66],"GPS":[67],"units.":[68],"No":[69],"cross":[70],"links":[71],"or":[72],"inter-vehicle":[73],"spacing":[74],"assumed.":[76],"In":[77],"lieu":[78],"timing,":[81],"correlation":[82],"searches":[83],"are":[84,128],"performed":[85],"ground":[88],"station.":[89],"A":[90],"key":[91,209],"part":[92],"idea":[95],"alignment":[98,120,136,142],"stage":[99],"following":[100],"collection.":[101],"This":[102,156,163,196],"composed":[104],"Cross":[107],"Ambiguity":[108],"Function":[109],"(CAF)":[110],"search":[111],"across":[112],"all":[113],"possible":[114],"FDOA/TDOA":[115],"shifts,":[116],"phase":[119,126],"search.":[121],"These":[122],"corrections":[127],"applied":[129],"to":[130,161,189],"data,":[132],"bringing":[133],"them":[134],"into":[135],"each":[138],"other.":[139],"Maintaining":[140],"this":[141],"over":[143,183],"longer":[145],"span":[147],"challenge,":[150],"covered":[151],"here":[152],"some":[154],"detail.":[155],"paper":[157,197],"covers":[158],"our":[159,199],"date.":[162],"includes":[164],"on-orbit":[165],"results,":[166],"simulation":[168],"model":[169],"coherence-through-computation":[172],"mechanism,":[173],"consisting":[174],"models":[176],"geolocation":[179],"process,":[180],"Doppler":[181],"correction":[182],"transforming":[186],"input":[187],"signals":[188],"common":[191],"reference.":[195],"extends":[198],"previous":[200],"publication":[201],"IEEE":[204],"Aerospace":[205],"conference[1]":[206],"several":[208],"advances,":[210],"including":[211],"parallized":[212],"execution,":[213],"interpolated":[214],"TDOA/FDOA":[215],"tracking,":[216],"multi-emitter":[218],"tracking.":[219]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
