Doppler Effect

Doppler Effect - Perform scientific calculations with precision and accuracy.

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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)