Definition:Beats/Frequency

Definition

Let $W_1$ and $W_2$ be harmonic waves whose superimposition exhibits beats.

The beat frequency is defined as the frequency at which the amplitude fluctuates.

Also see

• Results about beats can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): beats
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): beats