Glossary · term

Fourier transform

Mathematics

Aliases
Fourier
Domain
Mathematics

Definition

The decomposition of any signal into the sines and cosines that sum to it, trading time for frequency. Spectroscopy, crystallography and every kind of signal processing run on it.

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From the Glossary database in Notion, last edited 2026-08-17. This page is the row, rendered by the build; nothing on it is written by hand.