TERMIUM Plus®

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

MICROWAVE REMOTE SENSING [1 record]

Record 1 2007-01-31

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
  • Spacecraft
  • Remote Sensing
DEF

Active or passive remote sensing concerned with the submillimeter wave region of the electromagnetic spectrum.

CONT

In addition, microwave remote sensing provides unique information on, for example, sea wind and wave direction which are derived from frequency characteristics Doppler effect polarization back scattering etc. that cannot be observed by visible and infrared sensors. However, the need for sophisticated data analysis is the disadvantage in using microwave remote sensing.

CONT

The term microwave is often defined as the part of the electromagnetic spectrum from 300 MHz to 300 GHz. However, in the common venacular, the microwave band is often extended to encompass much higher frequencies. This band is further subdivided into the millimeter-wave band extending from 30-300 GHz and the submillimeter-wave band above 300 GHz.

OBS

microwave remote sensing: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

Key term(s)
  • micro wave remote sensing

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie
  • Engins spatiaux
  • Télédétection
DEF

Télédétection active ou passive qui s'opère dans la partie du spectre électromagnétique située au-delà des ondes submillimétriques.

CONT

Instruments utilisés en télédétection hyperfréquence : les radiomètres hyperfréquences, imageurs (radars) ou non-imageurs (les diffusio-diffractomètres).

OBS

[...] la bande de 300 G Hz à 3 Thz (2 mm à 100 mm) [correspond aux] ondes submillimétriques. Cette partie du spectre électromagnétique, surtout pour les ondes submillimétriques, reste relativement méconnue en raison d'une technologie très délicate et pas toujours maîtrisée.

OBS

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

Spanish

Campo(s) temático(s)
  • Guía radárica, radioguía y radiogoniometría
  • Naves espaciales
  • Teledetección
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