TERMIUM Plus®

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COLLIMATION ERROR [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-12-09

English

Subject field(s)
  • Marine and River Navigation Aids
DEF

An error due to inaccuracies of orientation of the north-south diameter of the card relative to the magnetic axis of the magnetic element.

OBS

collimation error: term and definition standardized by ISO.

French

Domaine(s)
  • Aides à la navigation fluviale et maritime
DEF

Erreur due aux inexactitudes d'orientation du diamètre nord-sud de la rose par rapport à l'axe magnétique de l'élément magnétique.

OBS

erreur de collimation : terme et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Ayuda a la navegación marítima y fluvial
Save record 1

Record 2 2016-08-08

English

Subject field(s)
  • Surveying
OBS

Horizontal collimation error exists when the optical axis of the theodolite is not exactly perpendicular to the telescope axis.

OBS

The effect of a vertical deviation of the collimation axis is constant. It is impossible to determine separately a vertical collimation axis error and a zero error of the vertical circle. Thus, the term collimation error refers only to the horizontal deviation of the collimation axis ...

French

Domaine(s)
  • Arpentage
DEF

Défaut de perpendicularité entre l'axe de visée d'une lunette et l'axe secondaire de celle-ci.

OBS

Ce défaut est éliminé par le double retournement.

Spanish

Save record 2

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