spectral reflectance वाक्य
उदाहरण वाक्य
मोबाइल
- The reflectance spectrum or spectral reflectance curve is the plot of the reflectance as a function of wavelength.
- Objects'spectral reflectance curves can similarly be used to reflect certain portions of the spectrum more accurately.
- These special effect pigments, such as ChromaFlair, exhibit strong directional spectral reflectance and colour shifting with the angle of view.
- The spider is able to adjust pigment intensity relative to background light levels and color; the range of spectral reflectance is specifically adapted to insect vision.
- Note that flat spectral reflectance is a stronger condition than simply appearing neutral; this flatness ensures that the card appears neutral under any illuminant ( see metamerism ).
- The appearance of surface colors is defined by the product of the spectral reflectance curve of the material and the spectral emittance curve of the light source shining on it.
- These spectral reflectances are themselves ratios of the reflected over the incoming radiation in each spectral band individually, hence they take on values between 0.0 and 1.0.
- Using the blackbody radiation equations to simulate sunlight or the emission spectrum of a fluorescent bulb in combination with the tomato's spectral reflectance curve, more accurate images of each scenario can be produced.
- These readings are typically used to draw the sample's spectral reflectance curve ( how much it reflects, as a function of wavelength ) the most accurate data that can be provided regarding its characteristics.
- To encourage wider usage of these methods, Gamon co-founded SpecNet, ( Spectral Network ), a network of collaborating sites and investigators using optical sampling methods ( particularly spectral reflectance ) to study ecological questions.
- A spectral color match attempts to give two colors the same spectral reflectance characteristic, making them a good metameric match with a low degree of metamerism, and thereby reducing the sensitivity of the resulting color match to changes in illuminant, or differences between observers.
- Where VIS and NIR stand for the spectral reflectance measurements acquired in the visible ( red ) and near-infrared regions, respectively ( http : / / earthobservatory . nasa . gov / Features / MeasuringVegetation / measuring _ vegetation _ 2 . php ).
- Wyszecki introduced the important mathematical concept of metameric blacks, psychophysical definitions of blacks with tristimulus values 0, 0, 0 that within limits can be added to a spectral reflectance to form the various possible metamers ( with an identical set of tristimulus values ) under a given light.
- Hashem Akbari received his Ph . D . of Nuclear Engineering at University of California, Berkeley in 1979 . In 2009, he joined the Concordia University in Concordia University, Montreal, Canada where he has established a comprehensive laboratory to measure solar spectral reflectance and thermal emittance of common construction materials is established.
- A 1999 study of pitcher morphology and spectral reflectance characteristics showed that " N . bicalcarata " has no colour contrast maximum between the peristome and pitcher cup in the ultraviolet waveband, but small maxima of 0.17 at 450 nm ( violet ), 0.32 at 548 nm ( green ), and 0.16 at 668 nm ( red ).
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