TERMIUM Plus®

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

PERTURBACION IONOSFERICA [2 records]

Record 1 2021-01-29

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
  • Radio Waves
  • Radio Interference
DEF

Any one of several ionospheric perturbations, resulting from abnormally high ionization/plasma density in the D region of the ionosphere and caused by a solar flare and/or solar particle event (SPE).

CONT

A whole array of sub-classes of SIDs exist, detectable by different techniques at various wavelengths: the short-wave fadeout (SWF), the SPA (sudden phase anomaly), SFD (sudden frequency deviation), SCNA (sudden cosmic noise absorption), SEA (sudden enhancement of atmospherics), etc.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
  • Ondes radioélectriques
  • Perturbations radio

Spanish

Campo(s) temático(s)
  • Fenómenos meteorológicos, climáticos y atmosféricos
  • Ondas radioeléctricas
  • Perturbaciones radioeléctricas
DEF

Pertubación ionosférica de comienzo brusco y de corta duración (generalmente del orden de algunos minutos a una hora) debida a un incremento anormal transitorio de la ionización de las regiones D o E, y que se manifiesta por un desvanecimiento brusco de las ondas radioeléctricas cortas.

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Record 2 2014-10-24

English

Subject field(s)
  • Radio Waves
  • Ionization (Electr. Engineering)
  • Radio Interference
DEF

The variation in the state of ionization of the ionosphere beyond the normal observed random day-to-day variation from the average value for the location, date, and time of the day under consideration.

OBS

ionospheric disturbance: term officially approved by the Electronics and Telecommunications Terminology Committee.

French

Domaine(s)
  • Ondes radioélectriques
  • Ionisation (Électrotechnique)
  • Perturbations radio
OBS

perturbation ionosphérique: terme uniformisé par le Comité d’uniformisation des termes de l’électronique et des télécommunications (CUTEL).

Spanish

Campo(s) temático(s)
  • Ondas radioeléctricas
  • Ionización (Electrotecnia)
  • Perturbaciones radioeléctricas
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