Single-Frequency Network
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High Quality Content by WIKIPEDIA articles! A single-frequency network or SFN is a broadcast network where several transmitters simultaneously send the same signal over the same frequency channel. Analogue FM and AM radio broadcast networks as well as digital broadcast networks can operate in this manner. SFNs are not generally compatible with analog television transmission, since the SFN results in ghosting due to echoes of the same signal. A simplified form of SFN can be achieved by a low power co-channel repeater, booster or broadcast translator, which is utilized as gap filler transmitter. The aim of SFNs is efficient utilization of the radio spectrum, allowing a higher number of radio and TV programs in comparison to traditional multi-frequency network (MFN) transmission. An SFN may also increase the coverage area and decrease the outage probability in comparison to an MFN, since the total received signal strength may increase to positions midway between the transmitters.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130495930
- Anzahl Seiten 72
- Genre Wärme- und Energietechnik
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Herausgeber Betascript Publishing
- EAN 9786130495930
- Format Fachbuch
- Titel Single-Frequency Network
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