Look up: radar

1. radar
   acronym: radio detection and ranging
   Found on http://cdiac.ornl.gov/pns/acronyms.html#
   
   
2. Radar
   An instrument for determining the distance and direction to an object by measuring the time needed for radio signals to travel from the instrument to the object and back, and by measuring the angle through which the instrument`s antenna has traveled.
   Found on http://www.ecy.wa.gov/programs/sea/swces
   
   
3. Radar
   A system of detecting and locating targets which are capable of reflecting high frequency radio waves (microwaves), generally in the wavelength range from a fraction of a centimetre to some tens of centimetres. Radar is used in meteorology to detect and measure cloud and precipitaion elements. Radar...
   Found on http://www.bbc.co.uk/weather/weatherwise
   
   
4. radar
   [n] - measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
   Found on http://www.webdictionary.co.uk/definitio
   
   
5. RADAR
   Radio Detection And Ranging + Rights, Availabilities, Distribution Analysis and Reporting [Disney]
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
6. Radar
   A method, system, or technique of using beamed, reflected, and timed radio waves for detecting, locating, or tracking objects.The frequency bands used by radar (radar frequency bands) were first designated by letters for military secrecy. These are shown in the following table.Frequency BandFrequenc...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
7. RADAR
   RAdio Detection And Ranging - a method of estimating the distance or travel speed of an object by bouncing high frequency signals off the object and measuring the reflected signal.
   Found on http://www.encyclo.co.uk/local/20715
   
   
8. radar
   (Learning Modules / Geography / Weather forecasting) A system using electromagnetic radiation (radio waves) to detect the distance, speed and direction of moving objects. Radar can be used effectively for tracking falling rain and hail from clouds.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
9. Radar
   Radar detects distant objects and determines their position, velocity, and other characteristics by analysis of very high frequency radio waves reflected from their surfaces. Since the introduction of radar during the Second World War, radar countermeasures have been under development as well, and ...
   Found on http://www.army-technology.com/glossary/
   
   
10. RADAR
    RAdio Detection And Ranging
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
11. radar
    radio assisted detection and ranging
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
12. RADAR
    Regional Alcohol and Drug Awareness Resource
    Found on http://www.encyclo.co.uk/local/20895
    
    
13. radar
    A navigational aid which uses radio waves of very short wavelength sent out as a narrow beam by a highly directional aerial.The aerial rotates sending the beam out through a full 360°.Any solid object of reasonable size will reflect the beam and be detected on the radar screen as a bright spot. <...
    Found on http://www.mijnwoordenboek.nl/definition
    
    
14. radar
    A system using beamed and reflected radio signals to and from an object in such a way that range, bearing, and other characteristics of the object may be determined. ... (12 Dec 1998) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
15. radar
    microwave radar noun measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
16. radar
    electromagnetic sensor used for detecting, locating, tracking, and recognizing objects of various kinds at considerable distances. It operates by ... [39 related articles]
    Found on http://www.britannica.com/eb/a-z/r/2
    
    
17. Radar
    Radar is a cultivated variety of potato.
    Found on http://www.probertencyclopaedia.com/brow
    
    
18. Radar
    Radar is used to describe systems that use electromagnetic energy to detect distant objects and possibly determine other characteristics such as direction and range.
    Found on http://www.argospress.com/Resources/rada
    
    
19. radar
    radiodetermination method or equipment based on emission of radio waves towards an object and analysis of the waves returned by that object or emitted in response to excitation by the received waves NOTE - The term 'radar' is the abbreviation of the expression 'Radio Detection and Ranging'.
    Found on http://www.electropedia.org/iev/iev.nsf/
    
    
20. radar
    radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, the principle of radar is not confined to any particular frequency range. There are some radar units...
    Found on http://www.infoplease.com/ce6/sci/A08409
    
    
21. Radar
    Radar is a system of locating an object or direction finding using high frequency radio waves.
    Found on http://www.probertencyclopaedia.com/brow
    
    
22. radar
    Device for locating objects in space, direction finding, and navigation by means of transmitted and reflected high-frequency radio waves. The direction of an object is ascertained by transmitting a beam of short-wavelength (1–100 cm/0.5–40 in), short-pulse radio waves, and p...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
23. radar
    An electronic instrument using radio waves to display the location of other objects on or above the surface in relation to the boat and their distance relative to her.
    Found on http://www.diy-wood-boat.com/Boating-ter
    
    
24. Radar
    `Radar` is an object-detection system which uses electromagnetic waves—specifically radio waves—to determine the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. ...
    Found on http://en.wikipedia.org/wiki/Radar
    
    
25. Radar
    (song) "`Radar`" is a song by American recording artist Britney Spears. It was written and produced by Bloodshy & Avant and The Clutch in November 2006 as a record that did not relate to any of her personal problems at the time. The recording sessions took place the day after Sp...
    Found on http://en.wikipedia.org/wiki/Radar