TERMIUM Plus®

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

ionospheric absorption [1 record]

Record 1 2015-02-10

English

Subject field(s)
  • Atmospheric Physics
  • Radio Waves
  • Telecommunications
DEF

The loss in signal strength or attenuation of radio waves as they propagate through the ionosphere.

OBS

Precipitating electrons and protons are the main causes of strong ionospheric absorption. During the daytime, ionization of the ionosphere by solar radiation is also a source of ionospheric absorption.

French

Domaine(s)
  • Physique de l'atmosphère
  • Ondes radioélectriques
  • Télécommunications
DEF

Perte de puissance du signal ou une atténuation des ondes radio pendant qu'elles se propagent dans l'ionosphère.

OBS

Les électrons et les protons précipitants sont les principales causes d'une forte absorption ionosphérique. Pendant le jour, l'ionisation de l'ionosphère par le rayonnement solaire est également une source d'absorption ionosphérique.

Spanish

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