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ANGE RADAR [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2005-09-06

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Weather Stations and Meteorological Instruments and Equipment
  • Remote Sensing
DEF

A radar echo from a region where there are no visible targets; may be caused by insects, birds, or refractive index variations in the atmosphere.

OBS

Radar equipment has given fairly consistent unexplainable echoes at altitudes between approximately 300 and 3000 yards. For want of a better term, these echoes have been dubbed "Angels" by Signal Corps personnel. [W. B. Gould in Proc. Inst. Radio Engineers]

OBS

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

Key term(s)
  • radar echo angel

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Stations, instruments et équipements météorologiques
  • Télédétection
DEF

Écho d'objets non visibles ou non identifiés, provoqué par certaines conditions atmosphériques.

OBS

Échos radar qui ne peuvent être attribués à des réflexions sur des particules liquides ou solides (météores), et qui peuvent être attribués à des oiseaux, des insectes, des variations de l'indice de réfraction de l'air, etc.

OBS

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

Key term(s)
  • ange-radar

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Estaciones, instrumentos y equipos meteorológicos
  • Teledetección
DEF

Eco de radar que no pueden atribuirse a reflexiones por partículas líquidas o sólidas (meteoros) y que pueden asociarse a pájaros, insectos, variaciones del índice de refracción del aire, etc.

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