narrowband channel

См. также в других словарях:

• narrowband channel —    Sub voicegrade channel with a speed range of 100 to 200 bps …   IT glossary of terms, acronyms and abbreviations

• Narrowband — In radio, narrowband describes a channel in which the bandwidth of the message does not significantly exceed the channel s coherence bandwidth. It is a common misconception that narrowband refers to a channel which occupies only a small amount of …   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

• Channel 1 — In North America, channel 1 is a former broadcast (over the air) television channel (44–50 MHz, with visual at 45.25 and aural at 49.75). History When the U.S. Federal Communications Commission initially allocated broadcast television frequencies …   Wikipedia

• Channel state information — In wireless communications, channel state information (CSI) refers to known channel properties of a communication link. This information describes how a signal propagates from the transmitter to the receiver and represents the combined effect of …   Wikipedia

• Narrowband modem — In telecommunication, a narrowband modem is a modem whose modulated output signal has an essential frequency spectrum that is limited to that which can be wholly contained within, and faithfully transmitted through, a voice channel with a nominal …   Wikipedia

• narrowband — nar|row|band [ nerou,bænd ] adjective COMPUTING capable of carrying sound, pictures, and moving images that are sent at slow speeds, usually between 50 BPS and 64 KBPS: a 4 channel narrowband digital receiver ─ compare BROADBAND …   Usage of the words and phrases in modern English

• narrowband — UK [ˈnærəʊˌbænd] / US [ˈneroʊˌbænd] adjective computing capable of carrying sound, pictures, and moving images that are sent at slow speeds, usually between 50 bps and 64 kbps a 4 channel narrowband digital receiver • See: broadband …   English dictionary

• channel, grade —    The relative bandwidth of a channel: narrowband, voicegrade, or wideband …   IT glossary of terms, acronyms and abbreviations

• narrowband —    In communications, a voice grade transmission channel of 2400 bits per second or less …   Dictionary of networking

• SETI — Search for Extra Terrestrial Intelligence (SETI) is the collective name for a number of activities to detect intelligent extraterrestrial life. The general approach of SETI projects is to survey the sky to detect the existence of transmissions… …   Wikipedia