{"id":"https://openalex.org/W3186858014","doi":"https://doi.org/10.3390/rs13152921","title":"Effect Analysis of the Digital Spectrometer FFT Algorithm on THz Atmospheric Limb Sounder (TALIS) System Sensitivity","display_name":"Effect Analysis of the Digital Spectrometer FFT Algorithm on THz Atmospheric Limb Sounder (TALIS) System Sensitivity","publication_year":2021,"publication_date":"2021-07-25","ids":{"openalex":"https://openalex.org/W3186858014","doi":"https://doi.org/10.3390/rs13152921","mag":"3186858014"},"language":"en","primary_location":{"id":"doi:10.3390/rs13152921","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152921","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2921/pdf?version=1627868143","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/15/2921/pdf?version=1627868143","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091198237","display_name":"Haowen Xu","orcid":"https://orcid.org/0000-0002-0455-5674"},"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"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haowen Xu","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210115570","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101877032","display_name":"Hao L\u00fc","orcid":"https://orcid.org/0000-0001-9872-6368"},"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":"Hao Lu","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210115570","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090117531","display_name":"Zhenzhan Wang","orcid":"https://orcid.org/0000-0002-6098-844X"},"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":true,"raw_author_name":"Zhenzhan Wang","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210115570","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103156815","display_name":"Wenming He","orcid":"https://orcid.org/0000-0003-0758-1138"},"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"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenming He","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210115570","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100338157","display_name":"Wenyu Wang","orcid":"https://orcid.org/0000-0002-8260-7003"},"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":"Wenyu Wang","raw_affiliation_strings":["Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China","institution_ids":["https://openalex.org/I4210115570","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5090117531"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210115570"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.2411,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.54483948,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"13","issue":"15","first_page":"2921","last_page":"2921"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9994999766349792,"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"}},{"id":"https://openalex.org/T11111","display_name":"Spectroscopy and Laser Applications","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10029","display_name":"Climate variability and models","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.8721448183059692},{"id":"https://openalex.org/keywords/spectrometer","display_name":"Spectrometer","score":0.8296338319778442},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.6845725774765015},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4895111322402954},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.41982752084732056},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3773488402366638},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3689368963241577},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3513767123222351},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.139349102973938},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.11743298172950745},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07575052976608276}],"concepts":[{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.8721448183059692},{"id":"https://openalex.org/C33390570","wikidata":"https://www.wikidata.org/wiki/Q188463","display_name":"Spectrometer","level":2,"score":0.8296338319778442},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.6845725774765015},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4895111322402954},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.41982752084732056},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3773488402366638},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3689368963241577},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3513767123222351},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.139349102973938},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.11743298172950745},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07575052976608276}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13152921","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152921","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2921/pdf?version=1627868143","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:fda3d63616ac4ef082508dc8779cf7b0","is_oa":true,"landing_page_url":"https://doaj.org/article/fda3d63616ac4ef082508dc8779cf7b0","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 15, p 2921 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/15/2921/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13152921","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13152921","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152921","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2921/pdf?version=1627868143","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5668124359","display_name":null,"funder_award_id":"4177012050","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3186858014.pdf","grobid_xml":"https://content.openalex.org/works/W3186858014.grobid-xml"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W1555825899","https://openalex.org/W1759873577","https://openalex.org/W1969003077","https://openalex.org/W1973141862","https://openalex.org/W1978967134","https://openalex.org/W1981441963","https://openalex.org/W1982215384","https://openalex.org/W1985635953","https://openalex.org/W2015660387","https://openalex.org/W2040137241","https://openalex.org/W2042503201","https://openalex.org/W2061723902","https://openalex.org/W2076140973","https://openalex.org/W2080410372","https://openalex.org/W2093035552","https://openalex.org/W2096085175","https://openalex.org/W2101780659","https://openalex.org/W2104718076","https://openalex.org/W2106575254","https://openalex.org/W2113518272","https://openalex.org/W2116368235","https://openalex.org/W2124388591","https://openalex.org/W2124997940","https://openalex.org/W2141929447","https://openalex.org/W2143571954","https://openalex.org/W2151989740","https://openalex.org/W2164285533","https://openalex.org/W2168451721","https://openalex.org/W2523496426","https://openalex.org/W2725171374","https://openalex.org/W2762349719","https://openalex.org/W2888873374","https://openalex.org/W2958247818","https://openalex.org/W2982098359","https://openalex.org/W3000482788","https://openalex.org/W3000709542","https://openalex.org/W3005044538","https://openalex.org/W3022569984","https://openalex.org/W3098468352","https://openalex.org/W3100006944","https://openalex.org/W3102099168","https://openalex.org/W3104578157","https://openalex.org/W3125961826","https://openalex.org/W4254738935","https://openalex.org/W6643275860","https://openalex.org/W6646637544","https://openalex.org/W6677118895"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W1615230877","https://openalex.org/W2073681303","https://openalex.org/W256685106","https://openalex.org/W4327521644","https://openalex.org/W4244513755","https://openalex.org/W2529526490","https://openalex.org/W3132558499","https://openalex.org/W2978884468","https://openalex.org/W2005846134"],"abstract_inverted_index":{"THz":[0],"Atmospheric":[1],"Limb":[2],"Sounder":[3],"(TALIS)":[4],"is":[5,43,98,115,147],"a":[6],"microwave":[7],"radiometer":[8],"designed":[9],"by":[10,76,197],"the":[11,17,26,35,54,71,80,87,93,102,105,111,119,127,137,144,150,166,169,172,178,182,188,191,198,205,215,219],"National":[12],"Space":[13],"Science":[14],"Center":[15],"of":[16,20,29,47,56,86,104,130,154,168,171,190,204,218],"Chinese":[18],"Academy":[19],"Sciences":[21],"(NSSC,":[22],"CAS)":[23],"for":[24,156],"measuring":[25],"vertical":[27],"distribution":[28],"temperature":[30],"and":[31,37,78,83,101,162,214],"chemical":[32],"constituents":[33],"in":[34,70,126],"middle":[36],"upper":[38],"atmosphere.":[39],"The":[40,59,133,201],"digital":[41,72,94,106],"spectrometer":[42,73,95,107],"an":[44],"important":[45],"part":[46],"TALIS\u2019":[48],"back":[49],"end,":[50],"which":[51],"mainly":[52],"realizes":[53],"function":[55],"spectral":[57,160],"analysis.":[58],"radix":[60],"16":[61],"real-time":[62],"complex":[63,84],"fast":[64],"Fourier":[65],"transform":[66],"(FFT)":[67],"algorithm":[68,109,146,180],"used":[69],"was":[74,208,222],"obtained":[75,141],"improving":[77],"combining":[79],"parallel":[81],"processing":[82,85],"FFT":[88,108,145,179,199],"algorithm.":[89,200],"In":[90],"this":[91,131],"study,":[92],"parameter":[96],"selection":[97],"systematically":[99],"presented,":[100],"effect":[103],"on":[110,118],"TALIS":[112,120,155],"system":[113,121],"sensitivity":[114,140,153,175,185,193],"analyzed":[116],"based":[117],"simulation":[122],"model":[123],"we":[124],"established":[125],"previous":[128],"stage":[129],"research.":[132],"results":[134,167],"show":[135,186],"that":[136,187],"actual":[138,173],"full-band":[139,152],"after":[142,176],"using":[143,177],"consistent":[148],"with":[149,181],"ideal":[151,183],"different":[157],"integration":[158],"time,":[159],"resolutions,":[161],"quantization":[163],"bits.":[164],"However,":[165],"comparison":[170],"sub-band":[174,184,192],"deterioration":[189,206,220],"will":[194],"be":[195,211],"caused":[196],"mean":[202],"value":[203,217],"ratio":[207,221],"found":[209],"to":[210],"approximately":[212,223],"18%,":[213],"maximum":[216],"33%.":[224]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
