Doppler Effect
Doppler Effect - Perform scientific calculations with precision and accuracy.
Doppler Effect Calculator
For Sound Waves
Wave & Source Properties
Motion
The Doppler Effect
The Doppler effect is the change in frequency of a wave in relation to an observer who is moving relative to the wave source. The observed frequency increases as the source and observer move toward each other, and decreases as they move apart.
fₒ = fₛ * (v + vₒ) / (v - vₛ)
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