Daylight and Its Spectrum |
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Page 214
... effects . However , Labs and Neckel provide the best wide spectrum of loa ( 50 ) with the HSRA as a theoretical model . ( 380 ) The best representations of Ho , though slightly different , seem to be the NASA spectrum in extended or ...
... effects . However , Labs and Neckel provide the best wide spectrum of loa ( 50 ) with the HSRA as a theoretical model . ( 380 ) The best representations of Ho , though slightly different , seem to be the NASA spectrum in extended or ...
Page 218
... effect if there is no intermediate diffuser . ( 4 ) The avoidance of the effects of uneven surface sensitivity in photocells and photomultipliers . ( 5 ) The correction for or avoidance of rapid changes in the daylight spectrum during ...
... effect if there is no intermediate diffuser . ( 4 ) The avoidance of the effects of uneven surface sensitivity in photocells and photomultipliers . ( 5 ) The correction for or avoidance of rapid changes in the daylight spectrum during ...
Page 257
... effects described above are all affected by adapta- tion of the eye , whether to luminance or to hue . They may suggest that the visual process is biased towards perceiving white , but under other conditions the results are quite ...
... effects described above are all affected by adapta- tion of the eye , whether to luminance or to hue . They may suggest that the visual process is biased towards perceiving white , but under other conditions the results are quite ...
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Common terms and phrases
actinometer aerosol air mass albedo Ångström artificial daylight atmosphere Bener blue calculated calibration cent changes Chapter cloud colorimetry colour matching colour rendering colour temperature compared comparison corrections daylight spectrum dominant wavelength earth effects emission experimental extrapolation extraterrestrial filters fluorescent tubes flux Fraunhofer full radiator locus global radiation Henderson and Hodgkiss incandescent included infra-red kW/m² L/min Labs and Neckel lamp light sources lines luminance maximum measurements ments method mireds monochromator moon natural daylight nm intervals normal north sky observations ozone photomultiplier photosphere Planckian locus prism produced radiance radiant flux range Rayleigh scattering reflection Sastri scale showed skylight solar altitude solar constant solar irradiance solar radiation solar spectrum spectral curves spectral distribution spectral power distribution spectrophotometry Standard Illuminant sun's sunlight surface Table tion tungsten ultra-violet radiation values variations vector visible spectrum W/m² water vapour Wavelength nm zenith sky