chromaticity coordinates

[‚krō·mə′tis·əd·ē kō′ȯrd·ən‚āts] (optics) The fractional amounts of the x, y, and z primary colors, specified by the International Committee on Illumination, in a color sample; more precisely, x = X /(X + Y + Z), y = Y /(X + Y + Z), z = Z /(X + Y + Z), where X, Y, and Z are the integrals over wavelength λ of the product of the amount of light emerging from the sample per unit wavelength, and the tristimulus values, x̄ (λ), ȳ (λ), and z̄ (λ), respectively.

单词	chromaticity coordinates
释义	chromaticity coordinates chromaticity coordinates pl n (General Physics) physics three numbers used to specify a colour, each of which is equal to one of the three tristimulus values divided by their sum. Symbols: x, y or z chromaticity coordinates chromaticity coordinates [‚krō·mə′tis·əd·ē kō′ȯrd·ən‚āts] (optics) The fractional amounts of the x, y, and z primary colors, specified by the International Committee on Illumination, in a color sample; more precisely, x = X /(X + Y + Z), y = Y /(X + Y + Z), z = Z /(X + Y + Z), where X, Y, and Z are the integrals over wavelength λ of the product of the amount of light emerging from the sample per unit wavelength, and the tristimulus values, x̄ (λ), ȳ (λ), and z̄ (λ), respectively.
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