- frequency channel spacing
- Безопасность: частотный интервал между каналами, частотный интервал между радиоканалами
Универсальный англо-русский словарь. Академик.ру. 2011.
frequency channel spacing
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Channel spacing — is a term used in radio frequency planning. It describes the frequency difference between adjacent allocations in a frequency plan. Channels for mediumwave radio stations, for example are allocated in internationally agreed steps of 9 or 10 kHz:… … Wikipedia
Frequency deviation — (Δf) is used in FM radio to describe the maximum instantaneous difference between an FM modulated frequency and the nominal carrier frequency. The term is sometimes mistakenly used as synonymous with frequency drift, which is an unintended offset … Wikipedia
Frequency grid — The most common frequency grid is that used for channel spacing in Dense Wavelength Division Multiplexing (DWDM) for Fiber optic communication at wavelengths around 1550nm and defined by ITU T G.694.1 (2002). The grid is defined relative to… … Wikipedia
Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone … Wikipedia
Channel 1 (North American TV) — In North America, channel 1 is a former broadcast (over the air) television channel. During the experimental era of TV operation Channel 1 moved around the lower VHF spectrum, swapping places with an early allocation for the FM broadcast band.… … Wikipedia
Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… … Wikipedia
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
GSM frequency bands — or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. Contents 1 GSM frequency bands 1.1 GSM 900, GSM 1800 and EGSM/EGSM 900 1.1.1 GSM 1800 … Wikipedia
Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m … Wikipedia
Digital Radio Mondiale — (abbreviated DRM; mondiale being Italian and French for worldwide ) is a set of digital audio broadcasting technologies designed to work over the bands currently used for AM broadcasting, particularly shortwave. DRM can fit more channels than AM … Wikipedia
Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic … Wikipedia
