{"id":"https://openalex.org/W2007573278","doi":"https://doi.org/10.1109/i2mtc.2014.6860948","title":"Initial measurements and results of a multi-channel, adaptive pre-distortion system for an airborne phased array radar","display_name":"Initial measurements and results of a multi-channel, adaptive pre-distortion system for an airborne phased array radar","publication_year":2014,"publication_date":"2014-05-01","ids":{"openalex":"https://openalex.org/W2007573278","doi":"https://doi.org/10.1109/i2mtc.2014.6860948","mag":"2007573278"},"language":"en","primary_location":{"id":"doi:10.1109/i2mtc.2014.6860948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/i2mtc.2014.6860948","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings","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/A5037720154","display_name":"R. LEE","orcid":null},"institutions":[{"id":"https://openalex.org/I4210145244","display_name":"Radar (United States)","ror":"https://ror.org/05c5a2504","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145244"]},{"id":"https://openalex.org/I4210122993","display_name":"Applied Radar (United States)","ror":"https://ror.org/02tgjtw54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210122993"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"R. Lee","raw_affiliation_strings":["School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","institution_ids":["https://openalex.org/I4210145244"]},{"raw_affiliation_string":"Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA","institution_ids":["https://openalex.org/I4210122993"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067619507","display_name":"Mark Yeary","orcid":"https://orcid.org/0000-0002-1900-7638"},"institutions":[{"id":"https://openalex.org/I4210122993","display_name":"Applied Radar (United States)","ror":"https://ror.org/02tgjtw54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210122993"]},{"id":"https://openalex.org/I4210145244","display_name":"Radar (United States)","ror":"https://ror.org/05c5a2504","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145244"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Yeary","raw_affiliation_strings":["School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","institution_ids":["https://openalex.org/I4210145244"]},{"raw_affiliation_string":"Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA","institution_ids":["https://openalex.org/I4210122993"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023384087","display_name":"Caleb Fulton","orcid":"https://orcid.org/0000-0002-5150-5557"},"institutions":[{"id":"https://openalex.org/I4210145244","display_name":"Radar (United States)","ror":"https://ror.org/05c5a2504","country_code":"US","type":"company","lineage":["https://openalex.org/I4210145244"]},{"id":"https://openalex.org/I4210122993","display_name":"Applied Radar (United States)","ror":"https://ror.org/02tgjtw54","country_code":"US","type":"company","lineage":["https://openalex.org/I4210122993"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. Fulton","raw_affiliation_strings":["School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Advanced Radar Research Center, OU, Norman, Oklahoma 73019, USA","institution_ids":["https://openalex.org/I4210145244"]},{"raw_affiliation_string":"Sch. of Electr. & Comput. Eng., Adv. Radar Res. Center, Norman, OK, USA","institution_ids":["https://openalex.org/I4210122993"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081056003","display_name":"Rafael Rincon","orcid":"https://orcid.org/0000-0002-7141-4716"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Rincon","raw_affiliation_strings":["NASA Goddard Space Flight Center, Greenbelt, MD, US","Goddard Space Flight center/NASA, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"NASA Goddard Space Flight Center, Greenbelt, MD, US","institution_ids":["https://openalex.org/I1306266525"]},{"raw_affiliation_string":"Goddard Space Flight center/NASA, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5037720154"],"corresponding_institution_ids":["https://openalex.org/I4210145244","https://openalex.org/I4210122993"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0514162,"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":"1267","last_page":"1270"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9997000098228455,"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":0.9994000196456909,"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/computer-science","display_name":"Computer science","score":0.5965070724487305},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5789213180541992},{"id":"https://openalex.org/keywords/phased-array","display_name":"Phased array","score":0.5166664123535156},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.49570906162261963},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4926057457923889},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.4669692814350128},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3659418225288391},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.34514322876930237},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2922154664993286},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.2815556824207306},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.27940070629119873},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.25088125467300415},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.172711580991745}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5965070724487305},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5789213180541992},{"id":"https://openalex.org/C55494473","wikidata":"https://www.wikidata.org/wiki/Q727898","display_name":"Phased array","level":3,"score":0.5166664123535156},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.49570906162261963},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4926057457923889},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.4669692814350128},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3659418225288391},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.34514322876930237},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2922154664993286},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.2815556824207306},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.27940070629119873},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25088125467300415},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.172711580991745}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/i2mtc.2014.6860948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/i2mtc.2014.6860948","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings","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":18,"referenced_works":["https://openalex.org/W1968787329","https://openalex.org/W1984767105","https://openalex.org/W2017114490","https://openalex.org/W2028745055","https://openalex.org/W2032056441","https://openalex.org/W2110560306","https://openalex.org/W2112787340","https://openalex.org/W2122536155","https://openalex.org/W2127526675","https://openalex.org/W2129505860","https://openalex.org/W2129529941","https://openalex.org/W2134144128","https://openalex.org/W2155000462","https://openalex.org/W2156512350","https://openalex.org/W2161389756","https://openalex.org/W2168603135","https://openalex.org/W2535631925","https://openalex.org/W2538458533"],"related_works":["https://openalex.org/W2979111876","https://openalex.org/W4306152236","https://openalex.org/W2099634618","https://openalex.org/W2143818732","https://openalex.org/W1969639234","https://openalex.org/W2385501957","https://openalex.org/W2376764577","https://openalex.org/W2020955201","https://openalex.org/W2369024485","https://openalex.org/W2354853188"],"abstract_inverted_index":{"With":[0],"the":[1,101,115,145,152,218,223,227,239],"advancement":[2],"of":[3,19,27,53,82,144,148,199,233,238,245],"synthetic":[4],"aperture":[5],"radars":[6,90],"(SAR)":[7],"and":[8,22,38,45,59,68,98,154,170,214],"phased":[9],"array":[10],"radars,":[11],"research":[12],"is":[13,32,105,181],"being":[14,106],"done":[15,107],"with":[16,183],"a":[17,24,196,209],"variety":[18],"amplifier/antenna":[20],"schemes":[21],"over":[23],"wide":[25],"range":[26],"frequencies.":[28],"One":[29],"major":[30],"problem":[31],"spectral":[33,171],"regrowth":[34,172],"due":[35,41],"to":[36,42,91,100,121,134,175,185,225],"AM/AM":[37],"AM/PM":[39],"effects":[40,44],"memory":[43],"when":[46],"operating":[47],"near":[48],"saturation.":[49],"The":[50,178,230],"distorted":[51],"output":[52],"these":[54,83,123],"systems":[55],"can":[56,86],"leak":[57],"out-of-band":[58,84],"therefore":[60],"create":[61],"problems,":[62],"such":[63],"as":[64],"unauthorized":[65],"broadcast":[66,165],"frequencies":[67,166],"unintended":[69],"beam":[70],"steer":[71],"angles.":[72],"By":[73],"properly":[74],"utilizing":[75],"digital":[76,188],"pre-distortion,":[77],"most,":[78],"if":[79],"not":[80],"all,":[81],"components":[85],"be":[87,92,132,159,176],"eliminated,":[88],"allowing":[89],"operated":[93,160],"in":[94,125,142,161,241],"much":[95],"wider":[96],"bands":[97],"closer":[99],"frequency":[102],"limits.":[103],"Work":[104],"at":[108],"NASA's":[109],"Goddard":[110],"Space":[111],"Flight":[112],"Center":[113],"on":[114,151],"Ecological":[116],"Synthetic":[117],"Aperture":[118],"Radar":[119],"(EcoSAR)":[120],"address":[122],"issues":[124],"this":[126,234,242],"system.":[127],"When":[128],"completed,":[129],"EcoSAR":[130,156,192],"will":[131,157,173,194],"used":[133],"measure":[135],"vegetation":[136],"density":[137],"from":[138],"an":[139],"airborne":[140],"system":[141,206],"place":[143],"traditional":[146],"method":[147],"taking":[149],"measurements":[150],"ground":[153],"extrapolating.":[155],"potentially":[158],"populated":[162],"areas":[163],"where":[164],"are":[167],"highly":[168],"regulated":[169],"need":[174],"minimized.":[177],"university":[179],"team":[180],"partnering":[182],"NASA":[184],"develop":[186],"advanced":[187],"radar":[189,200],"techniques":[190],"for":[191,211],"that":[193,202],"enable":[195],"new":[197],"class":[198],"operations":[201],"improves":[203],"science,":[204],"enhances":[205],"performance,":[207],"facilitates":[208],"path":[210],"space-borne":[212],"implementation,":[213],"pushes":[215],"technology":[216],"beyond":[217],"current":[219],"state-of-the-art,":[220],"while":[221],"keeping":[222],"costs":[224],"execute":[226],"project":[228],"low.":[229],"results":[231],"section":[232],"paper":[235],"provides":[236],"details":[237],"progress":[240],"important":[243],"area":[244],"research.":[246]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}