Experiment / Signal Processing

Fourier Transform Visualizer

Decompose shapes into rotating circles. Draw on the right canvas or choose a preset.

Epicycles
Draw Shape / Preview
Waveform (Real & Imaginary)
Preset:
Terms: 20
Speed: 1.0
f(t) = loading...

The Discrete Fourier Transform decomposes any periodic signal into a sum of rotating phasors. Each circle represents a frequency component with its own amplitude, frequency, and phase.