- noun radar which can distinguish between fixed and moving targets or provide ground speed and track information from an airborne installation
- A radar which employs the Doppler effect to determine the velocity of a scanned object. The Doppler shift of the signal returned by the scanned object indicates its velocity with high accuracy, or if it is stationary. Also called Doppler system (1), or Doppler radar system.
- synonymDoppler system
- A device, instrument, or system, which utilizes the Doppler effect for measurements.