{"id":"https://openalex.org/W4312846331","doi":"https://doi.org/10.1109/igarss46834.2022.9883710","title":"SMAP Radiometer Antenna Pointing Calibration","display_name":"SMAP Radiometer Antenna Pointing Calibration","publication_year":2022,"publication_date":"2022-07-17","ids":{"openalex":"https://openalex.org/W4312846331","doi":"https://doi.org/10.1109/igarss46834.2022.9883710"},"language":"en","primary_location":{"id":"doi:10.1109/igarss46834.2022.9883710","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883710","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","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/A5013984904","display_name":"Jinzheng Peng","orcid":"https://orcid.org/0000-0003-2213-7182"},"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":"Jinzheng Peng","raw_affiliation_strings":["NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029603049","display_name":"Jeffrey R. Piepmeier","orcid":"https://orcid.org/0000-0003-1207-9281"},"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":"Jeffrey R. Piepmeier","raw_affiliation_strings":["NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019793449","display_name":"Giovanni De Amici","orcid":null},"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":"Giovanni De Amici","raw_affiliation_strings":["NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006211721","display_name":"Simon Yueh","orcid":"https://orcid.org/0000-0001-7061-5295"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Simon H. Yueh","raw_affiliation_strings":["Jet Propulsion Laboratory,Pasadena,CA,USA,91109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory,Pasadena,CA,USA,91109","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010761223","display_name":"David M. Le Vine","orcid":"https://orcid.org/0000-0002-9335-0741"},"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":"David M. le Vine","raw_affiliation_strings":["NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA&#x0027;s Goddard Space Flight Center,Greenbelt,MD,USA,20771","institution_ids":["https://openalex.org/I1306266525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9583,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.7301673,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"7614","last_page":"7615"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9921000003814697,"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/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/radiometer","display_name":"Radiometer","score":0.8504656553268433},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.759162962436676},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5978406071662903},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5954902768135071},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5152957439422607},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.4833376109600067},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.4583629071712494},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4359775185585022},{"id":"https://openalex.org/keywords/radiometry","display_name":"Radiometry","score":0.41163715720176697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2926766276359558},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.244401216506958},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22350963950157166},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11923933029174805}],"concepts":[{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.8504656553268433},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.759162962436676},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5978406071662903},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5954902768135071},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5152957439422607},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.4833376109600067},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.4583629071712494},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4359775185585022},{"id":"https://openalex.org/C87456703","wikidata":"https://www.wikidata.org/wiki/Q247760","display_name":"Radiometry","level":2,"score":0.41163715720176697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2926766276359558},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.244401216506958},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22350963950157166},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11923933029174805},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"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/igarss46834.2022.9883710","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883710","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.8700000047683716}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2039348932","https://openalex.org/W2501564938"],"related_works":["https://openalex.org/W2381259876","https://openalex.org/W2016007472","https://openalex.org/W2360231461","https://openalex.org/W2413930784","https://openalex.org/W2140108161","https://openalex.org/W2005776842","https://openalex.org/W2063863367","https://openalex.org/W2511456285","https://openalex.org/W1983957298","https://openalex.org/W751870123"],"abstract_inverted_index":{"The":[0,53,122],"Soil":[1],"Moisture":[2],"Active":[3],"Passive":[4],"(SMAP)":[5],"mission":[6],"was":[7,56],"launched":[8],"on":[9],"31":[10],"<sup":[11],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[12],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">st</sup>":[13],"January":[14],"2015":[15],"in":[16,101,114],"a":[17,39,47],"6":[18],"AM/6":[19],"PM":[20],"sun-synchronous":[21],"orbit":[22],"at":[23,74],"685":[24],"km":[25],"altitude":[26],"to":[27,66],"measure":[28],"soil":[29,103],"moisture":[30,104],"and":[31,38,44,50,61,106,128],"free/thaw":[32],"globally":[33],"[1].":[34],"A":[35],"radar":[36,60],"(active)":[37],"radiometer":[40,90],"(passive)":[41],"are":[42,84],"onboard,":[43],"they":[45],"share":[46],"single":[48],"feedhorn":[49],"mesh":[51],"reflector.":[52],"antenna":[54,78,91],"pointing":[55,79,92],"calibrated":[57],"by":[58],"the":[59,62,67,70,77,81,89,97,102,108,115,129],"result":[63,130],"is":[64,93],"applied":[65],"radiometer.":[68],"Because":[69],"two":[71,82],"instruments":[72,83],"work":[73],"different":[75],"frequencies,":[76],"for":[80,95],"slightly":[85],"different.":[86],"Calibration":[87],"of":[88,117],"necessary":[94],"improving":[96,107],"water-body":[98],"correction":[99],"used":[100],"retrieval":[105,116],"ocean":[109],"surface":[110,119],"incidence":[111],"accuracy":[112],"needed":[113],"sea":[118],"salinity":[120],"(SSS).":[121],"calibration":[123],"activity":[124],"has":[125],"been":[126],"performed":[127],"will":[131],"be":[132],"presented.":[133]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}