TERMIUM Plus®

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

PASSIVE SONAR [1 record]

Record 1 2022-02-16

English

Subject field(s)
  • Marine and River Navigation Aids
  • Sonar and Underwater Detection (Military)
DEF

A sonar that uses only underwater listening equipment, with no transmission of location-revealing pulses.

CONT

[A] passive sonar is [used to detect] acoustic signals in an underwater environment, usually the ocean. The difference between passive and active sonar is that a passive sonar system emits no signals; instead, its purpose is to detect the acoustic signals emanating from external sources.

French

Domaine(s)
  • Aides à la navigation fluviale et maritime
  • Sonar et détection sous-marine (Militaire)
DEF

Sonar comprenant essentiellement un récepteur et un ou plusieurs hydrophones, mais pas d'émetteur.

CONT

Les systèmes sonar passifs utilisent les bruits rayonnés par les bâtiments.

OBS

sonar passif : désignation uniformisée par le Comité de normalisation de la terminologie navale.

Spanish

Campo(s) temático(s)
  • Ayuda a la navegación marítima y fluvial
  • Dispositivo sonar y detección submarina (Militar)
CONT

Los sistemas sonar se pueden dividir en dos grandes grupos: sonar pasivo y sonar activo. El sonar pasivo está diseñado para localizar el blanco mediante la captación de sonido radiado por el propio blanco.

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