spectral radius
type: Concept
preferred label: شعاع طیفی @fa
related: spectral transform

spectral transform
type: Concept
broader: integral transform
preferred label: تبدیل طیفی @fa
related: spectral radius
related: spectral analysis

integral transform
type: Concept
narrower: spectral transform
preferred label: تبدیل انتگرالی @fa

spectral analysis
type: Concept
preferred label: آنالیز طیفی @fa
related: spectral transform