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pulse-code modulation frequency shift keying amplitude modulation

См. также в других словарях:

  • Pulse Code Modulation — Die Puls Code Modulation ist ein Verfahren, um ein analoges Signal in ein digitales Signal bzw. Binärcode umzusetzen. Es wird für Audio und Video Signale verwendet. Die Umsetzung erfolgt in folgenden Schritten: Abtastung des analogen Signals… …   Deutsch Wikipedia

  • Amplitude-shift keying — (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier wave.The amplitude of an analog carrier signal varies in accordance with the bit stream (modulating signal), keeping frequency and phase… …   Wikipedia

  • Pulse-position modulation — is a form of signal modulation in which M message bits are encoded by transmitting asingle pulse in one of 2^M possible time shifts. This is repeated every T seconds, such thatthe transmitted bit rate is M/T bits per second. It is primarily… …   Wikipedia

  • Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

  • Modulation — Mo|du|la|ti|on 〈f. 20〉 1. Abwandlung 2. 〈Mus.〉 2.1 Übergang von einer Tonart in eine andere 2.2 Abstufung der Tonstärke u. der Klangfarbe 3. 〈El.〉 Aufprägen von Signalen auf eine Trägerwelle; →a. Amplitudenmodulation, Frequenzmodulation [<lat …   Universal-Lexikon

  • Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

  • Manchester code — In telecommunication and data storage, Manchester code (also known as Phase Encoding, or PE) is a line code in which the encoding of each data bit has at least one transition and occupies the same time. It therefore has no DC component, and is… …   Wikipedia

  • Line code — An example of coding a binary signal using rectangular pulse amplitude modulation with polar non return to zero code …   Wikipedia

  • Radio Frequency Identification — Die Neutralität dieses Artikels oder Abschnitts ist umstritten. Eine Begründung steht auf der Diskussionsseite. siehe: Abwahl Lesenswert Februar 2007 …   Deutsch Wikipedia

  • Very low frequency — or VLF refers to radio frequencies (RF) in the range of 3 kHz to 30 kHz. Since there is not much bandwidth in this band of the radio spectrum, only the very simplest signals are used, such as for radio navigation. Also known as the myriameter… …   Wikipedia

  • Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

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