December 28, 2020

Radar

Radar

  • A detection system that uses radio waves to determine the range, angle, or velocity of objects. 
  • It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. 
  • Configuration
    • A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the object(s). 
  • How works
    • Radio waves (pulsed or continuous) from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.
  • When developed
    • Developed secretly for military use by several nations in the period before and during World War II.
https://airandspace.si.edu/sites/default/files/styles/slideshow_lg/public/media-assets/RadarFig.jpg?itok=6FADBsAe


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