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Noun. 1. Doppler radar-radar that uses the Doppler shift to measure velocity. microwave radar, radar, radio detection and ranging, radiolocation-measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects. 1  Facebook. 2  Twitter.
Doppler ultrasound is a special ultrasound technique that allows the physician to see and evaluate blood flow through arteries and veins in the abdomen, arms, legs, neck and/or brain (in infants and children) or within various body organs such as the liver or kidneys.ltrasound is safe and painless, and produces pictures of the inside of the body using sound waves.