geometrical optics
type: Concept
preferred label: نورشناسی هندسی @fa
related: geometrical theory of diffraction

geometrical theory of diffraction
type: Concept
alternative label: uniform GTD
broader: electromagnetic wave diffraction
preferred label: نظریه هندسی پراش @fa
related: physical theory of diffraction
related: geometrical optics

physical theory of diffraction
type: Concept
preferred label: نظریه فیزیکی پراش @fa
related: geometrical theory of diffraction

electromagnetic wave diffraction
type: Concept
narrower: geometrical theory of diffraction
preferred label: پراش موج الکترومغناطیسی @fa