syn: transform, convert mean to change one thing into another. transform means to radically change the outward form or inner character: a frog transformed into a prince; delinquents transformed into responsible citizens. convert usually means to modify or adapt so as to serve a new or different use or function: to convert a barn into a house.
The Fourier transform applied to the waveform of a C major piano chord (with logarithmic horizontal (frequency) axis). The first three peaks on the left correspond to the fundamental frequencies of the chord (C, E, G). The remaining smaller peaks are higher-frequency overtones of the fundamental pitches. In mathematics, the Fourier transform (FT) is an integral transform that takes a function ...