Single Frequency

См. также в других словарях:

• Single-frequency signaling — (SF) is line signaling (in telephony) in which dial pulses or supervisory signals are conveyed by a single voice frequency tone in each direction. SF and similar systems were used in 20th century carrier systems.An SF signaling unit converts DC… …   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

• Single Frequency Approach — In aviation, a Single Frequency Approach (SFA) is a service for a military single piloted turbojet aircraft to use a single UHF frequency during their landing approach. Circumstances permitting, pilots will not be required to change their… …   Wikipedia

• Single-frequency network — Réseau iso fréquence Réseau iso fréquence, en anglais Single frequency network ou SFN, est un réseau constitué d émetteurs de radio ou de télévision analogique ou numérique opérant sur une fréquence unique dans une région déterminée. Ce type de… …   Wikipédia en Français

• Single frequency network — Réseau iso fréquence Réseau iso fréquence, en anglais Single frequency network ou SFN, est un réseau constitué d émetteurs de radio ou de télévision analogique ou numérique opérant sur une fréquence unique dans une région déterminée. Ce type de… …   Wikipédia en Français

• single-frequency laser oscillation — viendažnis lazerio veikimas statusas T sritis radioelektronika atitikmenys: angl. single frequency laser oscillation; single frequency lasing vok. Einfrequenzlaserbetrieb, n rus. одночастотная работа лазера, f pranc. fonctionnement à fréquence… …   Radioelektronikos terminų žodynas

• single-frequency lasing — viendažnis lazerio veikimas statusas T sritis radioelektronika atitikmenys: angl. single frequency laser oscillation; single frequency lasing vok. Einfrequenzlaserbetrieb, n rus. одночастотная работа лазера, f pranc. fonctionnement à fréquence… …   Radioelektronikos terminų žodynas

• single-frequency laser — viendažnis lazeris statusas T sritis radioelektronika atitikmenys: angl. single frequency laser vok. Laser im Einfrequenzbetrieb, m rus. одночастотный лазер, m pranc. laser à fréquence unique, m …   Radioelektronikos terminų žodynas

• single-frequency approach — A service provided under a letter of agreement to military single piloted turbojet aircraft that permits the use of a single UHF (ultrahigh frequency) frequency during the approach for landing. Pilots will not normally be required to change the… …   Aviation dictionary

• Dynamic single-frequency networks — (DSFN) is a transmitter macrodiversity technique for OFDM based cellular networks. DSFN is based on the idea of single frequency networks (SFN), which is a group of radio transmitters that send the same signal simultaneously over the same… …   Wikipedia

• Multicast-Broadcast Single Frequency Network — (MBSFN) is a communication channel defined in the fourth generation cellular networking standard called Long Term Evolution (LTE). It can deliver services such as mobile TV using the LTE infrastructure, and is expected to compete with dedicated… …   Wikipedia