{"id":"https://openalex.org/W2169076838","doi":"https://doi.org/10.1109/igarss.2004.1370359","title":"Enhancement of doppler centroid for ocean surface current retrieval from ERS-1/2 raw SAR","display_name":"Enhancement of doppler centroid for ocean surface current retrieval from ERS-1/2 raw SAR","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2169076838","doi":"https://doi.org/10.1109/igarss.2004.1370359","mag":"2169076838"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2004.1370359","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2004.1370359","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004","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/A5100413003","display_name":"Jieun Kim","orcid":"https://orcid.org/0000-0002-7429-3403"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ji-Eun Kim","raw_affiliation_strings":["School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007055878","display_name":"Duk\u2010jin Kim","orcid":"https://orcid.org/0000-0001-8147-7641"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Duk-jin Kim","raw_affiliation_strings":["School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034120222","display_name":"Wooil M. Moon","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I46247651","display_name":"University of Manitoba","ror":"https://ror.org/02gfys938","country_code":"CA","type":"education","lineage":["https://openalex.org/I46247651"]}],"countries":["CA","KR"],"is_corresponding":false,"raw_author_name":"Wooil M. Moon","raw_affiliation_strings":["Geophysics, University of Manitoba, Winnipeg, MAN, Canada","School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea","Sch. of Earth & Environ. Sci., Seoul Nat. Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geophysics, University of Manitoba, Winnipeg, MAN, Canada","institution_ids":["https://openalex.org/I46247651"]},{"raw_affiliation_string":"School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Sch. of Earth & Environ. Sci., Seoul Nat. Univ","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.63166914,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"5","issue":null,"first_page":"3118","last_page":"3120"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9987999796867371,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9987999796867371,"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/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.9950000047683716,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9940999746322632,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.7971853017807007},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6845043897628784},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6542182564735413},{"id":"https://openalex.org/keywords/centroid","display_name":"Centroid","score":0.6023644804954529},{"id":"https://openalex.org/keywords/doppler-radar","display_name":"Doppler radar","score":0.5352500081062317},{"id":"https://openalex.org/keywords/ocean-current","display_name":"Ocean current","score":0.528372049331665},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5113084316253662},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4701656997203827},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.440146803855896},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.43023011088371277},{"id":"https://openalex.org/keywords/current","display_name":"Current (fluid)","score":0.41075006127357483},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.34566307067871094},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.20855095982551575},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09497255086898804},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09430345892906189},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.07300296425819397}],"concepts":[{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.7971853017807007},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6845043897628784},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6542182564735413},{"id":"https://openalex.org/C146599234","wikidata":"https://www.wikidata.org/wiki/Q511093","display_name":"Centroid","level":2,"score":0.6023644804954529},{"id":"https://openalex.org/C2778559676","wikidata":"https://www.wikidata.org/wiki/Q1334213","display_name":"Doppler radar","level":3,"score":0.5352500081062317},{"id":"https://openalex.org/C187599188","wikidata":"https://www.wikidata.org/wiki/Q129558","display_name":"Ocean current","level":2,"score":0.528372049331665},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5113084316253662},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4701656997203827},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.440146803855896},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.43023011088371277},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.41075006127357483},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.34566307067871094},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.20855095982551575},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09497255086898804},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09430345892906189},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.07300296425819397},{"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/igarss.2004.1370359","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2004.1370359","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8799999952316284,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W86549454","https://openalex.org/W1532691246","https://openalex.org/W1997775339","https://openalex.org/W2067142840","https://openalex.org/W2098888397","https://openalex.org/W2106102169","https://openalex.org/W2116375409","https://openalex.org/W2321585011"],"related_works":["https://openalex.org/W1978025251","https://openalex.org/W2361241744","https://openalex.org/W2086314607","https://openalex.org/W4252012301","https://openalex.org/W2900664875","https://openalex.org/W2235285389","https://openalex.org/W2581209175","https://openalex.org/W2022955050","https://openalex.org/W2944876982","https://openalex.org/W4381745278"],"abstract_inverted_index":{"Ocean":[0],"surface":[1,37,190,207],"current":[2,38,56,76,89,191,208],"information":[3],"is":[4,44,140,146,192],"one":[5],"of":[6,16,35,47,54,69,99,104,110,166,204,220],"the":[7,33,52,67,74,79,87,100,107,111,125,137,187,196,202,218],"important":[8],"factors":[9,151],"which":[10,63,82,145,213],"are":[11,90,214],"employed":[12],"for":[13],"a":[14],"variety":[15],"scientific":[17],"pursuits":[18],"especially":[19],"on":[20,78],"ocean":[21,36,55,75,88,189,206],"environment.":[22],"Although":[23],"remote":[24],"sensing":[25],"techniques":[26],"have":[27],"been":[28],"developed":[29],"up":[30],"to":[31,155],"now,":[32],"investigation":[34],"using":[39,58],"synthetic":[40],"aperture":[41],"radar":[42,102],"(SAR)":[43],"not":[45],"easy":[46],"access.":[48],"This":[49],"paper":[50],"presents":[51],"results":[53,203],"observation":[57],"ERS-1":[59],"raw":[60],"SAR":[61],"data":[62],"were":[64],"obtained":[65,130],"off":[66],"coast":[68],"Jeju":[70],"Island.":[71],"We":[72,199],"extract":[73],"based":[77],"concept":[80],"in":[81,215],"Doppler":[83,96,117,128,133,138,153,159,181],"frequency":[84,97,118],"shift":[85,98,119],"and":[86,131,170,184,209],"closely":[91],"related.":[92],"Moving":[93],"targets":[94],"cause":[95],"backscattered":[101],"radiation":[103],"SAR,":[105],"thus":[106],"line-of-sight":[108],"velocity":[109],"scatters":[112],"can":[113,120,161],"be":[114,121,156,162],"evaluated.":[115],"The":[116,158],"measured":[122],"by":[123,148],"estimating":[124],"difference":[126],"between":[127],"centroid":[129,134,139,154,160,182],"reference":[132],"calculated.":[135],"Theoretically,":[136],"zero,":[141],"however,":[142],"squinted":[143],"antenna":[144],"affected":[147],"several":[149],"physical":[150],"causes":[152],"nonzero.":[157],"estimated":[163,205],"from":[164],"measurements":[165],"sensor":[167],"trajectory,":[168],"attitude":[169,176],"Earth":[171],"model.":[172],"By":[173],"compensating":[174],"ERS":[175],"errors,":[177],"we":[178],"could":[179],"enhance":[180],"accuracy":[183],"verify":[185],"that":[186],"extracted":[188],"more":[193],"coincident":[194],"with":[195],"in-situ":[197,211],"data.":[198],"present":[200],"here":[201],"observed":[210],"data,":[212],"agreement":[216],"within":[217],"limit":[219],"error":[221],"bounds":[222]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
