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RADAR IMAGEUR [1 record]

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Alphabetical list of terms

Record 1 2006-06-02

English

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

A radar that produces two-dimensional images; the two dimensions are called range, and azimuth.

OBS

Typical bandwidths for an imaging radar are in the range 10 to 200 MHz. At the Earth's surface, the energy in the radar pulse is scattered in all directions, with some reflected back toward the antenna. This backscatter returns to the radar as a weaker radar echo and is received by the antenna in a specific polarization (horizontal or vertical, not necessarily the same as the transmitted pulse). These echoes are converted to digital data and passed to a data recorder for later processing and display as an image.

OBS

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

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Engins spatiaux
DEF

Radar permettant de restituer les données acquises sous formes d'images à deux dimensions; les deux dimensions étant la portée et l'azimut.

OBS

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

PHR

Radar imageur à antenne réelle.

Spanish

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