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IEVref:112-03-16ID:
Language:enStatus: Standard
Term: spectral, adj
Synonym1: spectral density of ...
[Preferred]
Synonym2: spectral concentration of ...
[Preferred]
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Definition: qualifies or supplements the name of a quantity to indicate the quotient of that quantity by the wavelength or the frequency

NOTE 1 – The wavelength is used mainly in optics, and the frequency in radioelectricity, acoustics, and signal theory. Examples: power spectral density, spectral irradiance.

NOTE 2 – The adjective “spectral” is also used to designate quantities which are functions of wavelength or frequency, but which are not spectral concentrations, for example spectral emissivity. See ISO 80000-7.


Publication date:2010-01
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