TERMIUM Plus®

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DIFFERENTIAL CORRECTION [1 record]

Record 1 1994-05-31

English

Subject field(s)
  • Mathematical Geography
  • Remote Sensing
DEF

The process of correcting GPS positions at an unknown location with data collected simultaneously at a known location (base station).

OBS

Differential corrections usually refer to receivers that use C/A code positioning techniques. The process of differentially correcting one receiver's location relative to another can be done during post-processing or in real time, if a communications link is used.

OBS

Term and definition provided by the Canadian Hydrographic Service.

French

Domaine(s)
  • Géographie mathématique
  • Télédétection
DEF

Processus de correction de position GPS en un emplacement inconnu d'après des données recueillies simultanément en un emplacement connu (station de base).

OBS

Des corrections différentielles sont habituellement effectuées par des récepteurs dans lesquels sont appliquées les méthodes de positionnement d'après le code C/A. La correction différentielle de la position d'un récepteur par rapport à celle d'un autre peut s'effectuer en post-traitement ou en temps réel si une liaison est utilisée.

Spanish

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