{"id":"https://openalex.org/W3133341125","doi":"https://doi.org/10.1109/igarss39084.2020.9323910","title":"Analysis of System Linearity Caused by Gain Variation for Microsat-Based Microwave Radiometer","display_name":"Analysis of System Linearity Caused by Gain Variation for Microsat-Based Microwave Radiometer","publication_year":2020,"publication_date":"2020-09-26","ids":{"openalex":"https://openalex.org/W3133341125","doi":"https://doi.org/10.1109/igarss39084.2020.9323910","mag":"3133341125"},"language":"en","primary_location":{"id":"doi:10.1109/igarss39084.2020.9323910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","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/A5073008031","display_name":"Jieying He","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210115570","display_name":"National Space Science Center","ror":"https://ror.org/02nnjtm50","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210115570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"HE Jieying","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences,Beijing,China,100190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences,Beijing,China,100190","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210115570"]}]},{"author_position":"last","author":{"id":null,"display_name":"ZHANG Shengwei","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210115570","display_name":"National Space Science Center","ror":"https://ror.org/02nnjtm50","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210115570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"ZHANG Shengwei","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences,Beijing,China,100190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences,Beijing,China,100190","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210115570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6361","last_page":"6364"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.9641000032424927,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9641000032424927,"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/T12449","display_name":"Spacecraft Design and Technology","score":0.9549999833106995,"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/T12042","display_name":"Satellite Communication Systems","score":0.9368000030517578,"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/brightness","display_name":"Brightness","score":0.7140913009643555},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.6916729211807251},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.6907530426979065},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.6194406747817993},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.58342444896698},{"id":"https://openalex.org/keywords/linearity","display_name":"Linearity","score":0.5747696161270142},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5574684143066406},{"id":"https://openalex.org/keywords/brightness-temperature","display_name":"Brightness temperature","score":0.5518947243690491},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5468123555183411},{"id":"https://openalex.org/keywords/automatic-gain-control","display_name":"Automatic gain control","score":0.4499817192554474},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4331982731819153},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.40129250288009644},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3301244080066681},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2576826214790344},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.22934183478355408},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15955626964569092},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14953583478927612},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.10355633497238159},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.08315664529800415}],"concepts":[{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.7140913009643555},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.6916729211807251},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.6907530426979065},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.6194406747817993},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.58342444896698},{"id":"https://openalex.org/C77170095","wikidata":"https://www.wikidata.org/wiki/Q1753188","display_name":"Linearity","level":2,"score":0.5747696161270142},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5574684143066406},{"id":"https://openalex.org/C53802167","wikidata":"https://www.wikidata.org/wiki/Q4538627","display_name":"Brightness temperature","level":3,"score":0.5518947243690491},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5468123555183411},{"id":"https://openalex.org/C177502760","wikidata":"https://www.wikidata.org/wiki/Q782524","display_name":"Automatic gain control","level":4,"score":0.4499817192554474},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4331982731819153},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.40129250288009644},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3301244080066681},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2576826214790344},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.22934183478355408},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15955626964569092},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14953583478927612},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10355633497238159},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.08315664529800415},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss39084.2020.9323910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2360708863","https://openalex.org/W2385343111"],"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/W1983957298","https://openalex.org/W2165236048","https://openalex.org/W2147511172","https://openalex.org/W2109138921"],"abstract_inverted_index":{"Compared":[0],"to":[1],"existing":[2],"polar-orbiting":[3],"satellites,":[4],"the":[5,43,53,57,75,109,130,139],"small":[6],"satellite":[7],"constellation":[8],"is":[9,115],"of":[10,19,25,33,45,92,107,132],"low-cost,":[11],"rapidly":[12],"deployable":[13],"and":[14,35,126,152],"mission-flexible.":[15],"Meanwhile,":[16],"a":[17,78,104,150],"series":[18],"challenges":[20],"are":[21],"followed":[22],"in":[23,84,129,145],"aspects":[24],"size,":[26],"weight,":[27],"life,":[28],"stability,":[29],"detecting":[30],"accuracy,":[31],"consistency":[32],"multi-satellite":[34],"so":[36],"on.":[37],"This":[38],"paper":[39],"mainly":[40],"focuses":[41],"on":[42],"characteristic":[44],"diode":[46],"detector":[47],"for":[48,118,135],"Microsat":[49,136],"microwave":[50,137],"radiometer.":[51],"Given":[52],"certain":[54,151],"observation":[55],"target,":[56],"retrieved":[58],"brightness":[59,119],"temperatures":[60,120],"would":[61],"have":[62],"changed":[63],"correspondingly":[64],"under":[65],"different":[66],"system":[67,76,140],"AGC":[68,154],"(Automatic":[69],"Gain":[70],"control)":[71],"values.":[72],"By":[73],"adjusting":[74],"gain,":[77],"little":[79],"change":[80],"happened":[81],"but":[82],"still":[83],"normal":[85],"workspace.":[86],"The":[87],"variation":[88],"caused":[89],"by":[90,94],"nonlinearity":[91,117],"diode,":[93],"using":[95],"two-point":[96],"calibration":[97,134],"method,":[98],"cannot":[99],"be":[100,142],"completely":[101],"eliminated.":[102],"Setting":[103],"wide":[105],"range":[106],"3-350K,":[108],"experimental":[110],"results":[111],"demonstrate":[112],"that":[113],"there":[114],"obvious":[116],"between":[121],"retrievals":[122],"minus":[123],"actual":[124],"values":[125],"observations.":[127],"So,":[128],"procedure":[131],"real-time":[133],"radiometer,":[138],"must":[141],"assured":[143],"working":[144],"approximately":[146],"linear":[147],"workplace":[148],"with":[149],"reasonable":[153],"value.":[155]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}