TERMIUM Plus®

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

LONG-BASELINE SYSTEM [1 record]

Record 1 2015-03-24

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Oil Drilling
CONT

Traditionally, two basic approaches have been taken to the design of acoustic systems for determining the position of a surface vessel relative to a reference point on the sea floor. The first is known as the long-baseline system, which measures the slant range to three widely spaced transponding beacons that have been carefully surveyed into position on the sea floor.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Forage des puits de pétrole
DEF

Système de repérage acoustique, composé de balises répondeuses disposées sur le fond à des distances de l'ordre de quelques kilomètres.

CONT

Le repérage et la mesure de la position du navire par rapport à la verticale du puits [peuvent se faire au moyen d'un système appelé] [...] «base longue» [...] C'est toujours l'écartomètre acoustique, mais la base de mesure est un triangle pouvant avoir plus d'un kilomètre de côté, triangle constitué de balises répondeuses posées au fond de la mer.

Spanish

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