Radar Wallpapers

Radar - photo wallpapers; Megawallpapers.org: Radar is an acronym for RAdio Detection And Ranging or Radio Angle Detection And Ranging. It is a system used to detect, range (determine the distance of), and map objects such as aircraft and rain. Strong radio waves are transmitted, and a receiver listens for any echoes. By analysing the reflected signal, the reflector can be located, and sometimes identified. Although the amount of signal returned is tiny, radio signals can easily be detected and amplified. Radar radio waves can be easily generated at any desired strength, detected at even tiny powers, and then amplified many times. Thus radar is suited to detecting objects at very large ranges where other reflections, like sound or visible light, would be too weak to detect. [br]

Radar Gallery:

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Radar Wallpapers @ Mega Wallpapers (08 Edition)
Browsing 12 user(s) : 12.10.2008 :.