Jan 9, 2026 · Radar, electromagnetic sensor used for detecting, locating, tracking, and recognizing objects of various kinds at considerable distance. It operates by transmitting electromagnetic energy …

RADAR meaning: a device that sends out radio waves for finding out the position and speed of a moving object (such as an airplane) often used figuratively in informal U.S. English

Jan 9, 2026 · Radar - Detection, Military, Technology: Serious developmental work on radar began in the 1930s, but the basic idea of radar had its origins in the classical experiments on electromagnetic …

Jan 9, 2026 · Radar - Doppler, Weather, Detection: For many years radar has been used to provide information about the intensity and extent of rain and other forms of precipitation.

radar, System that uses electromagnetic echoes to detect and locate objects. It can also measure precisely the distance (range) to an object and the speed at which the object is moving toward or …

Jan 9, 2026 · Radar - Imaging, Detection, Navigation: Radar can distinguish one kind of target from another (such as a bird from an aircraft), and some systems are able to recognize specific classes of …

Jan 9, 2026 · Radar - Pulse, Detection, Reflection: The most common type of radar signal consists of a repetitive train of short-duration pulses. The figure shows a simple representation of a sine-wave …

In a radar system, an antenna sends out radio waves. The waves hit an object and bounce back to the antenna. A radar display then tells a person information about the object's distance, direction, and …

Jan 9, 2026 · The measure of the target size as observed by radar is called the radar cross section and is given in units of area (square metres). It is possible for two targets with the same physical cross …

With radar, air traffic controllers can watch the progress of aircraft in a large area. As each aircraft approaches and lands, one radar follows it in the vertical plane and another in the horizontal plane. If …