wave interference
  • The mutual effect two or more superimposed waves or vibrations have on each other. Also called interference (4).
  • The variations in amplitude occurring in the wave resulting from the superimposition of waves from two or more coherent sources whose phase difference varies. As the phase difference approaches and reaches 0° there is constructive interference, resulting in an increase in amplitude, and as the phase difference approaches and reaches 180°, there is destructive interference, resulting in a reduction or cancellation in amplitude. Interference can occur in waves residing along any part of the electromagnetic spectrum. Also, the additive process by which this phenomenon occurs. Also called interference (3).

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