- reflectance ratio
- коэффициент контрастности
Большой англо-русский и русско-английский словарь. 2001.
reflectance ratio
Смотреть что такое "reflectance ratio" в других словарях:
reflectance — [ri flek′təns] n. Physics the ratio of the amount of electromagnetic radiation, usually light, reflected from a surface to the amount originally striking the surface … English World dictionary
reflectance — /ri flek teuhns/, n. Physics, Optics. the ratio of the intensity of reflected radiation to that of the radiation incident on a surface. Cf. albedo. [1925 30; REFLECT + ANCE] * * * … Universalium
reflectance — noun The ratio of the flux reflected to that incident on a surface … Wiktionary
reflectance — rɪ flektÉ™ns n. ratio of energy sent back from a surface to the total energy striking the surface (Physics) … English contemporary dictionary
reflectance — re•flect•ance [[t]rɪˈflɛk təns[/t]] n. opt phs opt the ratio of the intensity of reflected radiation to that of the radiation incident on a surface • Etymology: 1925–30 … From formal English to slang
reflectance — /rəˈflɛktəns/ (say ruh flektuhns) noun the ratio of the luminous flux reflected by a surface to the incident luminous flux. Also, reflection factor. {reflect + ance} …
reflectance — The ratio of reflected luminous flux to that reflected from an ideal, perfectly reflecting surface when similarly illuminated … Dictionary of automotive terms
Bidirectional reflectance distribution function — The bidirectional reflectance distribution function (BRDF; {f r(omega i , omega o) }) is a 4 dimensional function that defines how light is reflected at an opaque surface. The function takes an incoming light direction, omega i , and outgoing… … Wikipedia
Spectral Reflectance — The ratio of energy reflected from a surface in a given waveband to the energy incident in that waveband … Energy terms
Normalized Difference Vegetation Index — Negative values of NDVI (values approaching 1) correspond to water. Values close to zero ( 0.1 to 0.1) generally correspond to barren areas of rock, sand, or snow. Lastly, low, positive values represent shrub and grassland (approximately 0.2 to 0 … Wikipedia
Ultraviolet–visible spectroscopy — Beckman DU640 UV/Vis spectrophotometer. Ultraviolet visible spectroscopy or ultraviolet visible spectrophotometry (UV Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet visible spectral region. This… … Wikipedia
