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spectral capacity

См. также в других словарях:

  • Spectral efficiency — Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is… …   Wikipedia

  • Spectral mask — In telecommunications, a spectral mask, also known as a channel mask or transmission mask, is a mathematically defined set of lines applied to the levels of radio (or optical) transmissions. The spectral mask is generally intended to reduce… …   Wikipedia

  • Color Rendering Capacity — How many colors on earth is a given light source capable of vividly rendering? Under what type of light source can a scene be made the most colorful? Such questions highlight a particular aspect of the color rendering quality of light sources,[1] …   Wikipedia

  • Channel capacity — In electrical engineering, computer science and information theory, channel capacity is the tightest upper bound on the amount of information that can be reliably transmitted over a communications channel. By the noisy channel coding theorem, the …   Wikipedia

  • Spatial capacity — is an indicator of data intensity in a transmission medium. It is usually used in conjunction with wireless transport mechanisms. This is analogous to the way that lumens per square meter determine illumination intensity. [citeweb|title=Ultra… …   Wikipedia

  • 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

  • Defining equation (physics) — For common nomenclature of base quantities used in this article, see Physical quantity. For 4 vector modifications used in relativity, see Four vector. Very often defining equations are in the form of a constitutive equation, since parameters of… …   Wikipedia

  • Shannon–Hartley theorem — In information theory, the Shannon–Hartley theorem tells the maximum rate at which information can be transmitted over a communications channel of a specified bandwidth in the presence of noise. It is an application of the noisy channel coding… …   Wikipedia

  • WiMAX — Worldwide Interoperability for Microwave Access Logo trademarked by the WiMAX Forum …   Wikipedia

  • Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …   Wikipedia

  • Digital Audio Broadcasting — For other digital audio broadcasting systems, see Digital radio.   Countries with regular services …   Wikipedia

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