TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

TACHE DIFFRACTION [2 records]

Record 1 2012-02-28

English

Subject field(s)
  • Optics
DEF

The bright central spot in the system of diffraction rings formed by an optical system with light from a point source (as a star).

Key term(s)
  • Airy's disk

French

Domaine(s)
  • Optique
DEF

Cercle lumineux occupant le centre de la figure de diffraction à symétrie circulaire obtenue lorsqu'un faisceau lumineux passe à travers une ouverture circulaire.

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 1

Record 2 1996-12-09

English

Subject field(s)
  • Response Systems (Electronic Instrumentation)
  • Adaptive Automated Systems
DEF

Image of a point source formed by an optical system at its focal point. The size of the blur circle is affected by the quality of the optical system and its focus.

French

Domaine(s)
  • Systèmes cybernétiques de réaction
  • Systèmes automatiques adaptatifs
OBS

Tâche de diffraction : terme proposé dans ISO/CEI JTC N1746 (Vision artificielle), 1995.

Spanish

Save record 2

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