TERMIUM Plus®

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

SPECKLE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-06-26

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Spacecraft
  • Remote Sensing
  • Cartography
CONT

Fading and speckle are the inherent "noise-like" processes which degrade the quality of an image. ... Reflecting surfaces are rarely uniform. For example, even a homogeneous forest has variations in the shape, height and variation of its canopy. These small differences cause local tonal variations which are known as speckle. ... Thus, speckle is essentially an image texture arising from the system, and not from the scene.

OBS

speckle: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Engins spatiaux
  • Télédétection
  • Cartographie
DEF

Ensemble de petites taches rapidement fluctuantes qui apparaissent dans la texturation instantanée d'une image et dû, soit à l'observation à l'aide d'un faisceau cohérent d'une cible présentant des irrégularités à l'échelle de la longueur d'onde, soit à la propagation d'un faisceau cohérent dans une atmosphère caractérisée par des variations aléatoires d'indice de réfraction.

OBS

Pour des sources ponctuelles (par exemple des étoiles), le terme tavelure est acceptable pour décrire l'aspect des images obtenues en instantané.

OBS

chatoiement : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

PHR

Filtrage du chatoiement.

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Naves espaciales
  • Teledetección
  • Cartografía
Save record 1

Record 2 2002-01-11

English

Subject field(s)
  • Inks and Colour Reproduction (Graphic Arts)
DEF

Spots due to the absence of ink, usually many small white spots in a printed area.

OBS

A common defect in gravure printing. Measured as dot skip (speckle skip).

French

Domaine(s)
  • Encres et couleurs (Industrie graphique)
DEF

Petites taches blanches apparaissant en région imprimée dues à une absence d'encre.

OBS

En rotogravure, les mouchetures sont causées principalement par les points manquants.

Spanish

Save record 2

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: