Results 1 to 10 of about 7,583 (174)

Spectroradiometer Calibration for Radiance Transfer Measurements. [PDF]

Sensors (Basel), 2023
Optical remote sensing and Earth observation instruments rely on precise radiometric calibrations which are generally provided by the broadband emission from large-aperture integrating spheres. The link between the integrating sphere radiance and an SI-traceable radiance standard is made by spectroradiometer measurements.
Rammeloo C, Baumgartner A.
europepmc   +5 more sources

Wearable Spectroradiometer for Dosimetry

Sensors, 2022
Available wearable dosimeters suffer from spectral mismatch during the measurement of broadband UV and visible radiation in environments that receive radiation from multiple sources emitting differing spectra. We observed this type of multi-spectra environment in all five Washington State cannabis farms visited during a field study investigating worker
Maximilian J. Chmielinski, Martin A. Cohen, Michael G. Yost, Christopher D. Simpson   +3 more
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Laboratory calibration for multidirectional spectroradiometers [PDF]

Measurement Science and Technology, 2021
Abstract A method for the calibration of multidirectional spectroradiometers (MUDISs) capable of the simultaneous measurement of spectral radiance at different wavelengths is presented. The calibration of the spectroradiometer is challenging and crucial for high quality measurements of the angular dependence of the radiance.
Angelika Niedzwiedz, Jens Duffert, Mario Tobar-Foster, Esther Quadflieg, Gunther Seckmeyer   +4 more
openaire   +1 more source

SUSPEN intercomparison of ultraviolet spectroradiometers [PDF]

Journal of Geophysical Research: Atmospheres, 2001
Results from an intercomparison campaign of ultraviolet spectroradiometers that was organized at Nea Michaniona, Greece, July 1–13, 1997, are presented. Nineteen instrument systems from 15 different countries took part and provided spectra of global solar UV irradiance for two consecutive days from sunrise to sunset every half hour.
Bais, A.F., Gardiner, B.G., Slaper, H., Blumthaler, M., Bernhard, G., McKenzie, R., Webb, A.R., Seckmeyer, G., Kjeldstad, B., Koskela, T., Kirsch, P.J., Gröbner, J., Kerr, J.B., Kazadzis, S., Leszczynski, K., Wardle, D., Josefsson, W., Brogniez, C., Gillotay, D., Reinen, H., Weihs, P., Svenoe, T., Eriksen, P., Kuik, F., Redondas, A.   +24 more
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Field calibration for multidirectional spectroradiometers

Measurement Science and Technology, 2022
Abstract A mobile calibration system for a multidirectional spectroradiometer (MUDIS) to transfer the absolute radiometric calibration from the laboratory to the location of the outdoor-measurement (field calibrator) has been developed.
Angelika Niedzwiedz, Jens Duffert, Mario Tobar-Foster, Jan Wilko Heinzel, Gunther Seckmeyer   +4 more
openaire   +1 more source

Shortwave Spectroradiometer (SWS) Handbook [PDF]

, 2006
The Shortwave Spectroradiometer (SWS), measures the absolute visible and near infrared spectralradiance (units of watts per meter square per nanometer per steradian) of the zenith directly above the instrument. The SWS is a moderate resolution sensor comprised of two Zeiss spectrometers (MMS 1 NIR enhanced and NIR-PGS 2.2) for visible and near-infrared
Pilewskie, P, Pommier, J
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New Spectroradiometers Complying with the NDSC Standards [PDF]

Journal of Atmospheric and Oceanic Technology, 2006
Abstract The investigation of the effect of solar ultraviolet (UV) and visible radiation on biological organisms and photochemical reactions requires spectral measurements of the desired radiation parameters of high accuracy. The Network for the Detection of Stratospheric Change (NDSC) and the World Meteorological Organization have set ...
Paul E. Johnston, James C. Ehramjian, Gunther Seckmeyer, Germar Bernhard, Richard McKenzie, Michael O'Neill, Sigrid Wuttke   +6 more
openaire   +2 more sources

Comparison of ultraviolet spectroradiometers in Antarctica [PDF]

Journal of Geophysical Research: Atmospheres, 2008
Solar ultraviolet irradiance has been monitored in Antarctica for almost two decades by a network of spectroradiometers established by the National Science Foundation. Data have been used for investigating increases in ultraviolet radiation in response to ozone depletion, validation of satellite observations, and the establishment of ultraviolet ...
Germar Bernhard, Charles Rockwell Booth, Sylvia Nichol, James C. Ehramjian, Stephen W. Wood, Richard McKenzie, Michael Kotkamp, Paul Johnston   +7 more
openaire   +2 more sources

Ratio-recording spectroradiometer [PDF]

Journal of Research of the National Bureau of Standards, Section C: Engineering and Instrumentation, 1960
W.L. Holford, H.K. Hammond, M.L. Kuder
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A Method for Estimating Fluorescence Emission Spectra from the Image Data of Plant Grain and Leaves Without a Spectrometer. [PDF]

J Imaging
Tominaga S, Nishi S, Ohtera R, Sakai H.
europepmc   +1 more source