TERMIUM Plus®

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

basic reference atmosphere [1 record]

Record 1 2003-02-05

English

Subject field(s)
  • Radio Waves
DEF

An atmosphere having an index of refraction n(h) defined by the relation: n(h) = + 289 x 10(-6th) x e(-0.136h (power], where h is the height above sea level in kilometres.

OBS

basic reference atmosphere: term and definition standardized by the International Electrotechnical Commission.

OBS

An atmosphere in which refractivity decreases exponentially with height.

French

Domaine(s)
  • Ondes radioélectriques
DEF

Atmosphère dont l'indice de réfraction n(h) est défini par la relation : n(h) = + 289 x 10(-6(puissance] x e(-0,136h (puissance], h étant l'altitude au-dessus du niveau de la mer.

OBS

atmosphère fondamentale de référence : terme normalisé par la Commission électrotechnique internationale.

OBS

Atmosphère dont le coïncide (N) est une fonction exponentielle décroissante de la hauteur.

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
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