The Doppler effect is a physical phenomenon that changes the frequency of waves perceived by an observer as a function of the movement of the source. The Doppler radar uses this characteristic
The Doppler Effect Overview & Examples | What Causes the Doppler Effect? - Video & Lesson Transcript | Study.com
Usare l'effetto Doppler per determinare il movimento degli oggetti | DigiKey
Radartutorial
Effetto Doppler: fenomeno e applicazioni - different
Doppler radar sounding of volcanic eruption dynamics at Mount Etna | SpringerLink