- Packet Frequency
- Network technologies: PF
Универсальный русско-английский словарь. Академик.ру. 2011.
Универсальный русско-английский словарь. Академик.ру. 2011.
Packet radio — is a form of digital data transmission used to link computers. The most common use of PKT is in amateur radio, to construct wireless computer networks. Its name is a reference to the use of packet switching between network nodes, which allows… … Wikipedia
Packet loss concealment — (PLC) is a technique to mask the effects of packet loss in VoIP communications. Because the voice signal is sent as packets on a VoIP network, they may travel different routes to get to destination. At the receiver a packet might arrive very late … Wikipedia
Frequency-shift keying — Modulation par déplacement de fréquence Exemple de modulation FSK cohérente La modulation par déplacement de fréquence (MDF), plus connue sous sa dénomination anglophone de frequency shift keying (FSK) est un mode de modulation de fréquence… … Wikipédia en Français
Automatic Packet Reporting System — (APRS) is an amateur radio based system for real time tactical digital communications of information of immediate value in the local area. In addition, all such data is ingested into the APRS Internet system (APRS IS) and distributed globally for … Wikipedia
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
General Packet Radio Service — (GPRS) is a packet oriented mobile data service on the 2G and 3G cellular communication system s global system for mobile communications (GSM). GPRS was originally standardized by European Telecommunications Standards Institute (ETSI) in response … Wikipedia
Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) … Wikipedia
High-Speed Downlink Packet Access — (HSDPA) is an enhanced 3G (third generation) mobile telephony communications protocol in the High Speed Packet Access (HSPA) family, also dubbed 3.5G, 3G+ or turbo 3G, which allows networks based on Universal Mobile Telecommunications System… … Wikipedia
Wave packet — In physics, a wave packet is an envelope or packet containing an arbitrary number of wave forms. In quantum mechanics the wave packet is ascribed a special significance: it is interpreted to be a probability wave describing the probability that a … Wikipedia
Single-frequency network — For other uses, see SFN (disambiguation). A single frequency network or SFN is a broadcast network where several transmitters simultaneously send the same signal over the same frequency channel. Contents 1 Overview 2 OFDM and COFDM 3 DVB T SFN … Wikipedia
Isle of Man Steam Packet Company — Infobox Company company name = Isle of Man Steam Packet Company company company type = Limited Company foundation = 1830 location = Douglas, Isle of Man key people = Chairman Robert Quayle [http://www.steam… … Wikipedia