spectrum efficient modulation

spectrum efficient modulation
метод модуляции, обеспечивающий высокую эффективность использования выделенной полосы частот; см. spectrally compact modulation scheme

Англо-русский словарь промышленной и научной лексики. 2014.

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  • Eight-to-Fourteen Modulation — (EFM) is a data encoding technique used by CDs and pre Hi MD MiniDiscs. EFM and EFMPlus were both invented by Kees A. Schouhamer Immink. Technological classification EFM [US patent|4,501,000, EFM Patent, applied in Compact Disc, CD R, MiniDisc.]… …   Wikipedia

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  • Dynamic single-frequency networks — (DSFN) is a transmitter macrodiversity technique for OFDM based cellular networks. DSFN is based on the idea of single frequency networks (SFN), which is a group of radio transmitters that send the same signal simultaneously over the same… …   Wikipedia

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  • Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

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


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