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ground truth radiometer [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2002-02-25

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Spacecraft
DEF

A sensor used to obtain ground truth data that is used in the validation and calibration of remotely sensed data.

OBS

The operator directs the radiometer at the surface from which the spectral response is needed. Then this known spectral response can be compared to those in an image that needs classifying.

OBS

ground truth radiometer; GTR: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Engins spatiaux
DEF

Radiomètre servant à obtenir des données de réalité de terrain utilisées lors de la validation et de l'étalonnage des données de télédétection.

OBS

radiomètre de données de terrain; GTR : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

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