{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:38:25Z","timestamp":1760243905577,"version":"build-2065373602"},"reference-count":28,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2010,4,13]],"date-time":"2010-04-13T00:00:00Z","timestamp":1271116800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This paper puts forward the design, construction and testing of a new automatic system for angular-response measurement and calibration in radiometric instruments. Its main characteristics include precision, speed, resolution, noise immunity, easy programming and operation. The developed system calculates the cosine error of the radiometer under test by means of a virtual instrument, from the measures it takes and through a mathematical procedure, thus allowing correcting the radiometer with the aim of preventing cosine error in its measurements.<\/jats:p>","DOI":"10.3390\/s100403703","type":"journal-article","created":{"date-parts":[[2010,4,13]],"date-time":"2010-04-13T11:15:22Z","timestamp":1271157322000},"page":"3703-3717","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["A New Automatic System for Angular Measurement and Calibration in Radiometric Instruments"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0631-0021","authenticated-orcid":false,"given":"Jose Manuel Andujar","family":"Marquez","sequence":"first","affiliation":[{"name":"Departamento de Ingenier\u00eda Electr\u00f3nica, de Sistemas Inform\u00e1ticos y Autom\u00e1tica, Escuela Polit\u00e9cnica Superior de la Universidad de Huelva, Ctra. Palos de la Ftra.-Huelva s\/n, 21819 Palos de la Frontera, Huelva, Spain"}]},{"given":"Miguel \u00c1ngel Mart\u00ednez","family":"Boh\u00f3rquez","sequence":"additional","affiliation":[{"name":"Departamento de Ingenier\u00eda Electr\u00f3nica, de Sistemas Inform\u00e1ticos y Autom\u00e1tica, Escuela Polit\u00e9cnica Superior de la Universidad de Huelva, Ctra. Palos de la Ftra.-Huelva s\/n, 21819 Palos de la Frontera, Huelva, Spain"}]},{"given":"Jonathan Medina","family":"Garcia","sequence":"additional","affiliation":[{"name":"Departamento de Ingenier\u00eda Electr\u00f3nica, de Sistemas Inform\u00e1ticos y Autom\u00e1tica, Escuela Polit\u00e9cnica Superior de la Universidad de Huelva, Ctra. Palos de la Ftra.-Huelva s\/n, 21819 Palos de la Frontera, Huelva, Spain"}]},{"given":"Francisco Jose Aguilar","family":"Nieto","sequence":"additional","affiliation":[{"name":"Departamento de Ingenier\u00eda Electr\u00f3nica, de Sistemas Inform\u00e1ticos y Autom\u00e1tica, Escuela Polit\u00e9cnica Superior de la Universidad de Huelva, Ctra. Palos de la Ftra.-Huelva s\/n, 21819 Palos de la Frontera, Huelva, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2010,4,13]]},"reference":[{"key":"ref_1","unstructured":"Hulstrom, R.L. (1989). Solar Resources, The MIT Press."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"4615","DOI":"10.3390\/s90604615","article-title":"A New and inexpensive pyranometer for the visible spectral range","volume":"9","author":"Enrique","year":"2009","journal-title":"Sensors"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1016\/0038-092X(95)00017-L","article-title":"Cosine response characteristics of some radiometric and photometric sensors","volume":"54","author":"Michalsky","year":"1995","journal-title":"Solar Energ"},{"key":"ref_4","unstructured":"McCluney, R. (1994). Introduction to Radiometry and Photometry, Artech House."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/0038-092X(90)90077-P","article-title":"The dynamic response of instruments measuring instantaneous solar radiation","volume":"44","author":"Suehrcke","year":"1990","journal-title":"Solar Energ"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"677","DOI":"10.1175\/1520-0426(1998)015<0677:IIPD>2.0.CO;2","article-title":"Investigations in pyranometer design","volume":"15","author":"Beaubien","year":"1998","journal-title":"J. Atmos. Ocean. Technol"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/j.solmat.2004.06.007","article-title":"Measurement and analysis of angular response of bare and encapsulated silicon solar cells","volume":"86","author":"Balenzategui","year":"2005","journal-title":"Solar Energ. Mater. Solar Cells"},{"key":"ref_8","first-page":"2493","article-title":"Experimental investigation of spectral global irradiance measurement errors due to a non ideal cosine response","volume":"23","author":"Blumthaler","year":"1996","journal-title":"J. Geophys. Res"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1117\/12.163505","article-title":"Cosine error correction of spectral UV irradiances","volume":"2049","author":"Seckmeyer","year":"1993","journal-title":"Atmos. Radiat"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"1401","DOI":"10.1016\/j.jastp.2003.09.003","article-title":"Comparison of Brewer spectrophotometer ultraviolet data from similar latitudes in the Northern and Southern hemisphere","volume":"65","author":"Kimlin","year":"2003","journal-title":"J. Atmos. Sol.-Terr. Phys"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"6339","DOI":"10.1364\/AO.37.006339","article-title":"Correcting global solar ultraviolet spectra recorded by a Brewer spectroradiometer for its angular response error","volume":"31","author":"Bais","year":"1998","journal-title":"Appl. Opt"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/S0038-092X(97)00030-3","article-title":"A method for correction for cosine errors in measurements of spectral UV irradiance","volume":"60","author":"Feister","year":"1997","journal-title":"Solar Energ"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"3051","DOI":"10.1117\/1.1516818","article-title":"Comparison of Brewer ultraviolet irradiance measurements with TOMS satellite retrievals","volume":"41","author":"Fioletov","year":"2002","journal-title":"Opt. Eng"},{"key":"ref_14","doi-asserted-by":"crossref","unstructured":"Bernhard, G., Booth, C., and Ehramjian, J. (2003, January August). The quality of data from the national science foundations\u2019s UV monitoring network for polar regions. San Diego, CA, USA.","DOI":"10.1117\/12.466239"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1016\/S0038-092X(03)00124-5","article-title":"A method to calibrate a solar pyranometer for measuring reference diffuse irradiance","volume":"74","author":"Reda","year":"2003","journal-title":"Solar Energ"},{"key":"ref_16","unstructured":"King, D.L., and Myers, D.R. (3,, January September). Silicon-Photodiode pyranometers: operational characteristics, historical experiences, and new calibration procedures. Anaheim, CA, USA."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/S0038-092X(97)00030-3","article-title":"A method for correction for cosine errors in measurements of spectral UV irradiance","volume":"60","author":"Feister","year":"1997","journal-title":"Solar Energ"},{"key":"ref_18","unstructured":"Vilaplana, J.M., Sorribas, M., Luccini, E., Vergaz, R., Cachorro, V., Piacentini, R., Gonz\u00e1lez-Fr\u00edas, C., De la Morena, B., and De Frutos, A. Calibraci\u00f3n de un bi\u00f3metro Yankee UVB-1 basada en medidas espectrales de un espectrofot\u00f3metro Brewer de doble monocromador. Valencia, Spain."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1562\/2005-06-23-RA-590","article-title":"Modified calibration procedures for a Yankee Environmental System UVB-1 biometer based on spectral measurements with a Brewer spectrophotometer","volume":"82","author":"Vilaplana","year":"2006","journal-title":"Photochem. Photobiol"},{"key":"ref_20","unstructured":"Vilaplana, J.M., Serrano, A., Ant\u00f3n, M., Cancillo, M. L, Parias, M., Gr\u00f6bner, J., H\u00fclsen, G., Zablocky, G., D\u00edaz, A., and De la Morena, B. Report of the El Arenosillo\/ INTA-COST Calibration and Intercomparison Campaign of UVER Broadband Radiometers."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"141","DOI":"10.6028\/jres.101.016","article-title":"Irradiance of horizontal quartz-halogen standard lamps","volume":"101","author":"Early","year":"1996","journal-title":"J. Res. Natl. Inst. Stand. Technol"},{"key":"ref_22","unstructured":"Available online: http:\/\/cp.literature.agilent.com\/litweb\/pdf\/34970-90003.pdf (accessed on November 10, 2009)."},{"key":"ref_23","unstructured":"Available online: http:\/\/www.robot-electronics.co.uk\/htm\/md22tech.htm\/ (accessed on November 10, 2009)."},{"key":"ref_24","unstructured":"World Meteorological Organization Global Atmospheric Watch Instruments to Measure Solar Ultraviolet Radiation. Part 2: Broadband Instruments Measuring Erythemally Weighted Solar Irradiance, Available online: ftp:\/\/ftp.wmo.int\/Documents\/PublicWeb\/arep\/gaw\/final_gaw164_bookmarks_17jul.pdf (accessed in March, 2010)."},{"key":"ref_25","unstructured":"Kipp & Zonen Available online: http:\/\/www.kippzonen.com\/?download\/5291\/CM+21+Pyranometer+-+Manual+(English).aspx\/ (accessed on November 10, 2009)."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"963","DOI":"10.3390\/s8020963","article-title":"Preliminary results on design and implementation of a solar radiation monitoring system","volume":"8","author":"Balan","year":"2008","journal-title":"Sensors"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"6339","DOI":"10.1364\/AO.37.006339","article-title":"Correcting global solar ultraviolet spectra recorded by a Brewer spectroradiometer for its angular response error","volume":"37","author":"Bais","year":"1998","journal-title":"Appl. Opt"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/S0038-092X(97)00030-3","article-title":"A method for correction for cosine errors in measurements of spectral UV irradiance","volume":"60","author":"Feister","year":"1997","journal-title":"Solar Energ"}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/4\/3703\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T22:02:07Z","timestamp":1760220127000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/4\/3703"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,4,13]]},"references-count":28,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2010,4]]}},"alternative-id":["s100403703"],"URL":"https:\/\/doi.org\/10.3390\/s100403703","relation":{},"ISSN":["1424-8220"],"issn-type":[{"type":"electronic","value":"1424-8220"}],"subject":[],"published":{"date-parts":[[2010,4,13]]}}}