sample spectrum
preferred label: طیف نمونه @fa
type: Concept
related: spectral distribution function

spectral distribution function
related: sample spectrum
related: spectral density function
related: distribution function
broader: spectral analysis
preferred label: تابع توزیع طیفی @fa
type: Concept

spectral density function
preferred label: تابع چگالی طیفی @fa
type: Concept
related: spectral distribution function

distribution function
preferred label: تابع توزیع @fa
type: Concept
related: spectral distribution function

spectral analysis
preferred label: آنالیز طیفی @fa
type: Concept
narrower: spectral distribution function