- spread-spectrum data transmission
- Безопасность: передача данных шумоподобными сигналами
Универсальный англо-русский словарь. Академик.ру. 2011.
spread-spectrum data transmission
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Frequency-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… … Wikipedia
Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · … Wikipedia
data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless … Universalium
Distributed transmission system — This article is about terrestrial broadcasting. For electrical power distribution, see distributed generation. In North American digital terrestrial television broadcasting, a distributed transmission system (DTS or DTx) is a form of single… … Wikipedia
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Burst transmission — In telecommunication, the term burst transmission has the following meanings: # Any relatively high bandwidth transmission over a short period of time. For example, a download might use 2 Mbit/s on average, whilst have peaks bursting up to, say,… … Wikipedia
Rangelan2 — was a broad family of wireless devices developed by Proxim Inc. (and is a trademark of that company). It also refers to the Rangelan2 wireless communications protocol used by these devices, but the protocol was officially renamed OpenAir. This… … Wikipedia
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
Bluetooth — This article is about the electronic protocol. For the medieval King of Denmark, see Harald I of Denmark. Bluetooth logo Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short wavelength … Wikipedia
Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… … Universalium
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
