- automatic track finding signal
- сигнал системы автоматического нахождения дорожки и автотрекинга, ATF-сигнал
English-Russian electronics dictionary .
English-Russian electronics dictionary .
Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… … Wikipedia
Automatic vehicle location — Automatic vehicle locating or AVL is a concept for determining the geographic location of a vehicle and transmitting this information to a point from where it was requested. Telelocating using location based services is a common term in the… … Wikipedia
Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… … Wikipedia
Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter … Wikipedia
Norton Fitzwarren rail crash (1940) — See also: Norton Fitzwarren rail crash (1890) Norton Fitzwarren rail crash Date and time 4 November 1940 : 0347 Location Norton Fitzwarren , Somerset Rail line Reading to Plymouth Line Cause Signal passed at danger … Wikipedia
Plot (graphics) — Scatterplot of the eruption interval for Old Faithful (a geyser). A plot is a graphical technique for representing a data set, usually as a graph showing the relationship between two or more variables. The plot can be drawn by hand or by a… … Wikipedia
Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… … Universalium
Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia