tracking beam

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• tracking — i. The process of following the movements of an object. This may be done by keeping the reticle of an optical system or a radar beam on the object, plotting its bearing and distance at frequent intervals, or a combination of the two. See track… …   Aviation dictionary

• Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

• Particle tracking velocimetry — (PTV) is one of velocimetry methods, i.e a technique to measure velocity of particles. The name suggests that the particles are tracked, and not only recorded as an image as it is suggested in another form, particle image velocimetry. There are… …   Wikipedia

• Pencil beam — A pencil beam is a beam of radiant energy in the form of a narrow cone or cylinder.Antennas which strongly bundle in azimuth and elevation are often described as a pencil beam antenna. For example the phased array antenna can send out a beam thin …   Wikipedia

• Near-Earth Asteroid Tracking — (NEAT) is a program run by NASA and Jet Propulsion Laboratory to discover near Earth objects. The NEAT project began in December 1995 and ran until April 2007.[1] Contents 1 History 2 See also 3 …   Wikipedia

• Electra Woman and Dyna Girl — Format Children s television series Created by Joe Ruby Ken Spears[1] Starring Deidre Hall Judy Strangis Norman Alden …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

• Strategic Defense Initiative — Organization SDIO Agency overview Formed 1984 Dissolved 1993 (renamed) Superseding a …   Wikipedia

• Missile guidance — A guided bomb strikes a practice target Missile guidance refers to a variety of methods of guiding a missile or a guided bomb to its intended target. The missile s target accuracy is a critical factor for its effectiveness. Guidance systems… …   Wikipedia

• AN/FPS-17 — The AN/FPS 17 is a ground based fixed beam radar system that was installed at Pirinçlik Air Base in south eastern Turkey.This system was deployed to satisfy scientific and technical intelligence collection requirements during the Cold War. The… …   Wikipedia

• Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… …   Wikipedia