TERMIUM Plus®

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SYNTHETIC APERTURE RADAR APPLICATION [4 records]

Record 1 2007-02-05

English

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

The SAR [synthetic aperture radar] on-time needs to be at least the same as operationally provided by RADARSAT I. The on-time will be established based on mission objectives and market/application scenarios.

OBS

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

Key term(s)
  • synthetic aperture radar on time
  • SAR on time

French

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

Durée pendant laquelle le SAR du satellite RADARSAT est exploité, [cette durée est] exprimée en minutes/orbites.

OBS

temps de fonctionnement du SAR : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Save record 1

Record 2 2007-01-31

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Remote Sensing
DEF

[An application that] performs a radiometric balancing on synthetic aperture radar data to compensate for non-uniform illumination in the range direction due to the antenna pattern.

CONT

Antenna pattern correction. The brightness of the image is affected by the antenna gain variation where the near range will receive maximum power while the far range will receive minimum power. This effect produces an image that varies in intensity (tone) along the range direction across the image. The antenna pattern effect is expressed as the energy returned to the radar and decreases dramatically as the range distance increases. Antenna pattern correction is applied to produce a uniform average brightness across the imaged swath.

French

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

Application qui exécute un équilibrage radiométrique des données d'un radar à synthèse d'ouverture pour compenser l'éclairement non uniforme dans la direction de portée causé par le diagramme d'antenne.

CONT

Application des corrections radiométriques suivantes, si nécessaire: correction du diagramme d'antenne; correction de la chute de gain en distance radiale [...]

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Teledetección
Save record 2

Record 3 2006-05-01

English

Subject field(s)
  • Spacecraft
CONT

The SAR [synthetic aperture radar] on-time needs to be at least the same as operationally provided by RADARSAT I. The on-time will be established based on mission objectives and market/application scenarios.

OBS

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

Key term(s)
  • on time

French

Domaine(s)
  • Engins spatiaux
CONT

La durée de marche du [SAR, radar à antenne synthétique] doit être au moins équivalente à celle assurée par RADARSAT I en exploitation. Elle sera déterminée en fonction des objectifs de la mission, de la nature des applications et des besoins du marché.

OBS

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

Spanish

Save record 3

Record 4 2003-02-28

English

Subject field(s)
  • Spacecraft
CONT

Different SAR [synthetic aperture radar] applications require observations at different angles of incidence. Some applications require a range of incidence angles from approximately 10 to 65 degrees for at least one frequency band.

Key term(s)
  • synthetic aperture radar application

French

Domaine(s)
  • Engins spatiaux
OBS

RSO : radar à synthèse d'ouverture.

Key term(s)
  • application du radar à antenne synthétique
  • application du radar à synthèse d'ouverture

Spanish

Save record 4

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