pseudorandom modulation

pseudorandom modulation
псевдослучайная модуляция

Англо-русский словарь технических терминов. 2005.

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  • Pseudorandom noise — In cryptography, pseudorandom noise (PRN[1][2]) is a signal similar to noise which satisfies one or more of the standard tests for statistical randomness. Although it seems to lack any definite pattern, pseudorandom noise consists of a… …   Wikipedia

  • pseudorandom noise modulation —    A spread spectrum communications technique in which each digital bit is chopped into chips that are phase shifted in a random pattern by codes to stimulate noise. The chip pattern can be rephased by matched filter techniques …   IT glossary of terms, acronyms and abbreviations

  • Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

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  • Code division multiple access — This article is about a channel access method. For the mobile phone technology referred to as CDMA, see IS 95 and CDMA2000. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM  …   Wikipedia

  • GPS signals — Global Positioning System (GPS) satellites broadcast radio signals to enable GPS receivers to determine location and synchronized time. Anatomy of a GPS signal GPS signals include ranging signals, used to measure the distance to the satellite,… …   Wikipedia

  • Comparison of mobile phone standards — A comparison of mobile phone standards can be done in many ways. Contents 1 Issues 2 Comparison table 3 Traceability comparison 4 Strengths and Weaknesses of IS 95 and GSM[4] …   Wikipedia

  • List of noise topics — This is a list of noise topics. Contents 1 Engineering and physics 2 Environmental 3 Noise reduction 4 Music …   Wikipedia

  • Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

  • Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …   Wikipedia


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