beam multiplexing

  • 41Comparison of display technology — This is a comparison of various properties of different display technologies. Further information: Comparison CRT, LCD, Plasma and History of display technology Contents 1 General characteristics 2 Temporal characteristics 3 See also …

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  • 42Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …

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  • 43CobraNet — logo Manufacturer Info Manufacturer Cirrus Logic …

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  • 44Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… …

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  • 452012 год в науке — В этой статье описываются текущие события. Информация может быстро меняться по мере развития события. Вы просматриваете статью в версии от 17:55 24 декабря 2012 (UTC). ( …

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  • 46Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …

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  • 47Frequency-hopping spread spectrum — (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver. A spread spectrum transmission offers three main advantages over… …

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  • 48Composite video — Not to be confused with Component video. Composite video On consumer products a yellow RCA connector is typically used for composite video. Type Analog video connector …

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  • 49Photonics — Refraction of waves of photons (light) by a prism The science of photonics[1] includes the generation, emission, transmission, modulation, signal processing, switching …

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  • 50Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …

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