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The Government of Canada’s terminology and linguistic data bank.
BACK-SCATTERING COEFFICIENT [1 record]
Record 1 - internal organization data 2007-01-31
Record 1, English
Record 1, Subject field(s)
- Space Physics
- Remote Sensing
Record 1, Main entry term, English
- backscattering coefficient
1, record 1, English, backscattering%20coefficient
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A microwave radar signal is emitted from an antenna installed aboard a satellite or an airplane. The signal is reflected by the objects on the ground. The resulting backscattering coefficient is influenced by the surface roughness and the dielectric properties of the objects. 2, record 1, English, - backscattering%20coefficient
Record number: 1, Textual support number: 1 OBS
dielectric: Having the property of transmitting electric effects without conduction. 3, record 1, English, - backscattering%20coefficient
Record number: 1, Textual support number: 2 OBS
backscattering coefficient: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 4, record 1, English, - backscattering%20coefficient
Record 1, Key term(s)
- back-scattering coefficient
Record 1, French
Record 1, Domaine(s)
- Physique spatiale
- Télédétection
Record 1, Main entry term, French
- coefficient de rétrodiffusion
1, record 1, French, coefficient%20de%20r%C3%A9trodiffusion
correct, masculine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'intensité d'une image radar [...] est liée au coefficient de rétrodiffusion, c'est-à-dire la capacité des surfaces à renvoyer les ondes radar vers l'antenne du radar. Le coefficient de rétrodiffusion est un indicateur de la rugosité des surfaces et de leur humidité. 2, record 1, French, - coefficient%20de%20r%C3%A9trodiffusion
Record number: 1, Textual support number: 2 CONT
Le coefficient de rétrodiffusion radar est un des paramètres mesurables sur une image radar. [...] Sur une surface inondée (présence d'eau libre), la réflexion du signal est spéculaire et l'intensité rétrodiffusée quasiment nulle. Par contre, pour un sol partiellement saturé, plus la teneur en eau est élevée, plus la constante diélectrique est grande, donc moins l'onde pénètre dans le sol et plus l'intensité rétrodiffusée est forte. 3, record 1, French, - coefficient%20de%20r%C3%A9trodiffusion
Record number: 1, Textual support number: 1 OBS
diélectrique : Qui ne conduit pas le courant électrique. 4, record 1, French, - coefficient%20de%20r%C3%A9trodiffusion
Record number: 1, Textual support number: 2 OBS
spéculaire : Se dit de ce qui réfléchit la lumière comme un miroir. 5, record 1, French, - coefficient%20de%20r%C3%A9trodiffusion
Record number: 1, Textual support number: 3 OBS
coefficient de rétrodiffusion : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 5, record 1, French, - coefficient%20de%20r%C3%A9trodiffusion
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física espacial
- Teledetección
Record 1, Main entry term, Spanish
- coeficiente de retrodispersión
1, record 1, Spanish, coeficiente%20de%20retrodispersi%C3%B3n
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- coeficiente de retrodifusión 2, record 1, Spanish, coeficiente%20de%20retrodifusi%C3%B3n
correct, masculine noun
Record 1, Textual support, Spanish
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