spectral distribution curve

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• Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… …   Wikipedia

• Spectral Energy Distribution —   A curve illustrating the variation or spectral irradiance with wavelength …   Energy terms

• Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… …   Wikipedia

• Cauchy distribution — Not to be confused with Lorenz curve. Cauchy–Lorentz Probability density function The purple curve is the standard Cauchy distribution Cumulative distribution function …   Wikipedia

• luminosity curve — noun : a curve expressing the product of relative spectral energy distribution by visibility …   Useful english dictionary

• Metamerism (color) — This article is about metamerism as it relates to colorimetry. For other meanings see the disambiguation page. In colorimetry, metamerism is the matching of apparent color of objects with different spectral power distributions. Colors that match… …   Wikipedia

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• Colorimetry — This article is about measurement of color. For use in chemistry, see Colorimetry (chemical method). Not to be confused with Calorimetry. Colorimetry is the science and technology used to quantify and describe physically the human color… …   Wikipedia

• Thermal radiation — is electromagnetic radiation emitted from the surface of an object which is due to the object s temperature. Infrared radiation from a common household radiator or electric heater is an example of thermal radiation, as is the light emitted by a… …   Wikipedia

• Imaginary color — Normalized spectral sensitivity curves of the three kinds of cone cells, which define the space of human color sensation Non physical, unrealizable, or imaginary colors are points in a color space that correspond to combinations of cone cell… …   Wikipedia

• Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… …   Wikipedia