{"id":"https://openalex.org/W6144276","doi":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","title":"Comparative Analysis of Methods for Estimating the Average Photon Energy: the Case Study of a Sunny Site","display_name":"Comparative Analysis of Methods for Estimating the Average Photon Energy: the Case Study of a Sunny Site","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W6144276","doi":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","mag":"6144276"},"language":"en","primary_location":{"id":"doi:10.4229/eupvsec20142014-5bv.1.63","doi":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","is_oa":true,"landing_page_url":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","pdf_url":null,"source":{"id":"https://openalex.org/S7407053010","display_name":"EU PVSEC","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101422907","display_name":"M. Torres-Ram\u00edrez","orcid":"https://orcid.org/0000-0002-5035-1277","observed_orcids":["https://orcid.org/0000-0002-5035-1277"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Torres-Ram\u00edrez, M.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091643312","display_name":"B. Garc\u00eda-Domingo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Garc\u00eda-Domingo, B.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055283205","display_name":"David A. Elizondo","orcid":"https://orcid.org/0000-0002-7398-5870","observed_orcids":["https://orcid.org/0000-0002-7398-5870"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Elizondo, D.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Nofuentes Garrido, G.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nofuentes Garrido, G.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"Lopez Talavera, D.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lopez Talavera, D.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00027907,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2787","last_page":"2790"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11276","display_name":"Solar Radiation and Photovoltaics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11276","display_name":"Solar Radiation and Photovoltaics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10468","display_name":"Photovoltaic System Optimization Techniques","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/average-photon-energy","display_name":"average photon energy","score":0.9990000128746033},{"id":"https://openalex.org/keywords/thin-film-photovoltaic-modules","display_name":"thin-film solar modules","score":0.8379999995231628},{"id":"https://openalex.org/keywords/neural-network","display_name":"artificial neural networks","score":0.7490000128746033},{"id":"https://openalex.org/keywords/multiple-linear-regression","display_name":"multiple linear regression","score":0.9509999752044678},{"id":"https://openalex.org/keywords/spectral-irradiance","display_name":"spectral irradiance","score":0.6840000152587891},{"id":"https://openalex.org/keywords/meteorological-observations","display_name":"meteorological observations","score":0.4860000014305115}],"concepts":[{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4386487603187561},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.405154287815094},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3723168969154358},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3663833737373352},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31075382232666016},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.30539989471435547}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4229/eupvsec20142014-5bv.1.63","doi":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","is_oa":true,"landing_page_url":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","pdf_url":null,"source":{"id":"https://openalex.org/S7407053010","display_name":"EU PVSEC","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},{"id":"mag:6144276","doi":null,"is_oa":false,"landing_page_url":"https://www.eupvsec-proceedings.com/proceedings?paper=27912","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"29th European Photovoltaic Solar Energy Conference and Exhibition","raw_type":null}],"best_oa_location":{"id":"doi:10.4229/eupvsec20142014-5bv.1.63","doi":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","is_oa":true,"landing_page_url":"https://doi.org/10.4229/eupvsec20142014-5bv.1.63","pdf_url":null,"source":{"id":"https://openalex.org/S7407053010","display_name":"EU PVSEC","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[{"score":0.9090999960899353,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"},{"score":0.5351999998092651,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2035314377","https://openalex.org/W2278769190","https://openalex.org/W2316152632","https://openalex.org/W270215941","https://openalex.org/W50855479","https://openalex.org/W4210887756","https://openalex.org/W2001993733","https://openalex.org/W1997988740","https://openalex.org/W4308259569","https://openalex.org/W1871178930"],"abstract_inverted_index":{"The":[0,132],"average":[1,68,97,145],"photon":[2,69,98,146],"energy":[3,70,99,147],"is":[4,62],"a":[5,18,118,135],"useful":[6],"and":[7,79,140,160,169,181],"meaningful":[8],"index":[9,51],"which":[10],"many":[11],"have":[12,52],"assumed":[13],"to":[14,17,30,48,94,177],"be":[15],"unique":[16],"given":[19],"solar":[20,36],"spectral":[21,44],"distribution.":[22],"Many":[23],"contributions":[24],"in":[25,56,88],"literature":[26],"use":[27],"this":[28,50],"factor":[29],"model":[31,95,122],"the":[32,35,67,96,128,144,151,164],"impact":[33],"of":[34,73,143],"spectrum":[37],"on":[38,102,127],"thin":[39],"film":[40],"photovoltaic":[41],"modules.":[42],"However,":[43],"irradiance":[45],"measurements":[46],"needed":[47],"obtain":[49],"been":[53],"scarcely":[54],"addressed":[55],"meteorological":[57,84,89],"stations":[58],"worldwide.":[59],"This":[60],"work":[61],"mainly":[63],"aimed":[64],"at":[65],"calculating":[66],"by":[71,114],"means":[72],"different":[74],"methods":[75,112],"using":[76,150],"only":[77],"astronomical":[78],"geographical":[80],"parameters":[81],"together":[82],"with":[83,155],"variables":[85],"commonly":[86],"available":[87],"databases.":[90],"A":[91,107],"novel":[92],"contribution":[93],"was":[100,123],"based":[101,126],"an":[103],"artificial":[104,152],"neural":[105,153],"network.":[106],"comparative":[108],"study":[109],"among":[110],"some":[111],"proposed":[113],"other":[115],"authors":[116],"or":[117],"multiple":[119],"linear":[120],"regression":[121],"carried":[124],"out":[125],"same":[129],"input":[130],"dataset.":[131],"results":[133],"presenting":[134],"lower":[136],"error":[137,168,174],"between":[138,158],"modeled":[139,159],"measured":[141,161],"values":[142],"are":[148],"obtained":[149],"network,":[154],"tiny":[156],"discrepancies":[157],"values.":[162],"Specifically,":[163],"mean":[165,171],"absolute":[166],"percentage":[167,173],"root":[170],"square":[172],"were":[175],"found":[176],"lie":[178],"below":[179],"0.3%":[180],"0.45%,":[182],"respectively.":[183]},"counts_by_year":[],"updated_date":"2026-10-06T10:28:23.643775","created_date":"2016-06-24T00:00:00"}