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RADIANCE [1 record]
Record 1 - internal organization data 2005-07-08
Record 1, English
Record 1, Subject field(s)
- Electromagnetic Radiation
- Atmospheric Physics
- Space Physics
Record 1, Main entry term, English
- radiance
1, record 1, English, radiance
correct, officially approved
Record 1, Abbreviations, English
Record 1, Synonyms, English
- radiant intensity per unit area 2, record 1, English, radiant%20intensity%20per%20unit%20area
correct
- radiant intensity per unit projected area 3, record 1, English, radiant%20intensity%20per%20unit%20projected%20area
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
... a measure of radiometric flux density per unit solid angle. 4, record 1, English, - radiance
Record number: 1, Textual support number: 1 OBS
Unlike irradiance, radiance is a property solely of a radiation field, not of the orientation of the surface. ... In general, radiance depends on time, position, and direction as well as frequency (monochromatic or spectral radiance) or range of frequencies. 5, record 1, English, - radiance
Record number: 1, Textual support number: 2 OBS
Do not confuse "radiance" with "luminance" which is the photometric equivalent of radiance and is expressed in candelas per square meter (cd/m²). 6, record 1, English, - radiance
Record number: 1, Textual support number: 3 OBS
Standard units of radiance are watts per square meter and steradian: W . m-2. sr-1 or W/(m².sr). 6, record 1, English, - radiance
Record number: 1, Textual support number: 4 OBS
radiance: term officially approved by the RADARSAT-2 Terminoology Approval Group (RTAG). 4, record 1, English, - radiance
Record 1, French
Record 1, Domaine(s)
- Rayonnements électromagnétiques
- Physique de l'atmosphère
- Physique spatiale
Record 1, Main entry term, French
- luminance
1, record 1, French, luminance
correct, feminine noun, officially approved
Record 1, Abbreviations, French
Record 1, Synonyms, French
- luminance énergétique 2, record 1, French, luminance%20%C3%A9nerg%C3%A9tique
correct, feminine noun, officially approved
- radiance 3, record 1, French, radiance
correct, feminine noun
- flux énergétique spécifique 4, record 1, French, flux%20%C3%A9nerg%C3%A9tique%20sp%C3%A9cifique
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Flux énergétique émis par unité de surface de la source, par unité d'angle solide, dans une direction donnée. 5, record 1, French, - luminance
Record number: 1, Textual support number: 1 OBS
Unités SI de la «luminance énergétique» : watt par mètre carré par stéradian; W . m[indice-²] . sr-1 ou W/(sr.m²). 6, record 1, French, - luminance
Record number: 1, Textual support number: 2 OBS
luminance : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR). 7, record 1, French, - luminance
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Radiación electromagnética
- Física de la atmósfera
- Física espacial
Record 1, Main entry term, Spanish
- radiancia
1, record 1, Spanish, radiancia
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
[...] flujo luminoso que la [superficie luminosa] emite por unidad de superficie, expresado en lux o en fots. 2, record 1, Spanish, - radiancia
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