Subcarrier multiplexing — (SCM) is a method for multiplexing many different fiber optics based communication link into a single uplink fiber. The SCM (also known as SCMA, SubCarrier Multiple Access) is used in passive optical network (PON) access infrastructures as a… … Wikipedia
Subcarrier — A subcarrier is a separate analog or digital signal carried on a main radio transmission, which carries extra information such as voice or data. More technically, it is an already modulated signal, which is then modulated into another signal of… … Wikipedia
subcarrier — sub·car·ri·er (sŭbʹkăr ē ər) n. Physics A section of a transmitted wave used to modify the information carrying section of the wave. * * * … Universalium
subcarrier — “+ noun Etymology: sub + carrier : a low frequency carrier in an electronic system (as a telemetering system or a multichannel radio system) used to modulate a main carrier and often being itself modulated to carry information … Useful english dictionary
используемая поднесущая — Поднесущая из набора MEDLEYset, которой приемник приписывает ненулевое число битов (МСЭ Т G.992.3). [http://www.iks media.ru/glossary/index.html?glossid=2400324] Тематики электросвязь, основные понятия EN used subcarrier … Справочник технического переводчика
PAL — For other uses, see PAL (disambiguation). Television encoding systems by nation; countries using the PAL system are shown in blue. PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast… … Wikipedia
NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… … Wikipedia
FM broadcasting — See also: frequency modulation and FM broadcast band FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation (FM) to provide high fidelity sound over broadcast radio. The term FM band… … Wikipedia
Crystal oscillator frequencies — Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz. Many applications call for a crystal oscillator frequency conveniently related to some other desired… … Wikipedia
Crosby system — The Crosby system was an FM stereophonic broadcasting standard, developed by Murray G. Crosby, that used an FM subcarrier for higher fidelity. It competed with the Zenith/GE system that used an AM subcarrier. Many audiophiles were disappointed… … Wikipedia
telemetry — te·lem·e·try (tə lĕmʹĭ trē) n. The science and technology of automatic measurement and transmission of data by wire, radio, or other means from remote sources, as from space vehicles, to receiving stations for recording and analysis. tel… … Universalium