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or colour is the visual perceptual property corresponding in humans to the categories called red, green, blue and others. Color derives from the spectrum of light (distribution of light energy versus wavelength) interacting in the eye
Even though noise is a random signal, it can have characteristic statistical properties. Spectral density (power distribution in the frequency spectrum) is such a property, which can be used to distinguish different types of noise
of is a legal term meaning "pretense or appearance of" some right; in other words, 'color of', as in 'color of law', means the thing colors (or adjusts) the law; however the adjustment made may either be lawful or it may merely appear to be lawful
has been a topic of interest and research in biology for well over a century. Colours may be cryptic (functioning as an adaptation allowing the prevention of prey detection; aposematic (functioning as a warning of unprofitability) or may be the resul
In military organizations, the practice of carrying colours, standards or Guidons, to act both as a rallying point for troops, and to mark the location of the commander, is thought to have originated in Ancient Egypt some 5,000 years ago
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