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diffuse reflectance

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  • Diffuse reflectance infrared fourier transform — Spectroscopy (DRIFTS)[1] is an infrared spectroscopy spectra technique used on powder samples with no preparation. The sample is added to a sample cup and the data is collected on the bulk sample. The infrared light on a sample is reflected and… …   Wikipedia

  • réflectance — ● réflectance nom féminin Pourcentage de lumière réfléchie sur la peau humaine, qui varie selon les populations. ⇒RÉFLECTANCE, subst. fém. PHYS. Rapport de l intensité de l onde incidente à celle de l onde réfléchie. Synon. coefficient. On… …   Encyclopédie Universelle

  • Diffuse reflection — For reflection of charged particles, see Scattering from rough surfaces. Diffuse and specular reflection from a glossy surface[1] Diffuse reflection is the reflection of light from a surface such that an incident ray is reflected at many …   Wikipedia

  • reflectance spectrum — difuzinio atspindžio spektras statusas T sritis fizika atitikmenys: angl. diffuse reflection spectrum; reflectance spectrum vok. Remissionsspektrum, n; Spektrum diffuser Reflexion, n rus. спектр рассеянного отражения, m pranc. spectre de… …   Fizikos terminų žodynas

  • diffuse reflection spectrum — difuzinio atspindžio spektras statusas T sritis fizika atitikmenys: angl. diffuse reflection spectrum; reflectance spectrum vok. Remissionsspektrum, n; Spektrum diffuser Reflexion, n rus. спектр рассеянного отражения, m pranc. spectre de… …   Fizikos terminų žodynas

  • Oren–Nayar reflectance model — The Oren Nayar reflectance model, developed by Michael Oren and Shree K. Nayar, is a reflectance model for diffuse reflection from rough surfaces. It has been shown to accurately predict the appearance of a wide range of natural surfaces, such as …   Wikipedia

  • Oren–Nayar Reflectance Model — The Oren Nayar model, developed by Michael Oren and Shree K. Nayar, is a reflectance model for diffuse reflection from rough surfaces. It has been shown to accurately predict the appearance of a wide range of natural surfaces, such as concrete,… …   Wikipedia

  • 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

  • Lambertian reflectance — If a surface exhibits Lambertian reflectance, light falling on it is scattered such that the apparent brightness of the surface to an observer is the same regardless of the observer s angle of view. More technically, the surface luminance is… …   Wikipedia

  • spectre de réflectance — difuzinio atspindžio spektras statusas T sritis fizika atitikmenys: angl. diffuse reflection spectrum; reflectance spectrum vok. Remissionsspektrum, n; Spektrum diffuser Reflexion, n rus. спектр рассеянного отражения, m pranc. spectre de… …   Fizikos terminų žodynas

  • Directional-hemispherical reflectance — is the reflectance of a surface under direct illumination (with no diffuse component). Directional hemispherical reflectance is the integral of the BRDF over all viewing directions. It is sometimes called black sky albedo . See also: Bi… …   Wikipedia


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