- error constellation
- ошибочная комбинация
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
error constellation
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Error vector magnitude — The error vector magnitude or EVM is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal sent by an ideal transmitter or received by a receiver would have all constellation points precisely at the ideal … Wikipedia
Constellation diagram — A constellation diagram is a representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase shift keying. It displays the signal as a two dimensional scatter diagram in the complex plane at… … Wikipedia
Constellation model — The constellation model is a probabilistic, generative model for category level object recognition in computer vision. Like other part based models, the constellation model attempts to represent an object class by a set of N parts under mutual… … Wikipedia
Modulation error ratio — The modulation error ratio or MER is a measure used to quantify the performance of a digital radio transmitter or receiver in a communications system using digital modulation (such as QAM). A signal sent by an ideal transmitter or received by a… … Wikipedia
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1948 KLM Constellation air disaster — The KLM Lockheed Constellation airplane Nijmegen (identification PH TEN) crashed near Prestwick, Scotland, on 20 October 1948, killing all 40 aboard. Background The aircraft was piloted by K.D. Parmentier, widely regarded as one of the great… … Wikipedia
Phase-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
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
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