How does a Fourier transform work?

0 ⤊

How does a Fourier transform work?

Does it involve convolution? Can you explain it in plain english?

2007-01-25 11:37:51 · 2 answers · asked by Ejsenstejn 2 in Science & Mathematics ➔ Engineering

2 answers

http://en.wikipedia.org/wiki/Fourier_Transform

2007-01-25 11:47:16 · answer #1 · answered by amphora001 2 · 0⤊ 0⤋

You split up a repeating waveform pattern into individual sine waves (called harmonics), the sum of which is the repeating waveform.

The individual sinewaves, which can be made up of a combination of Sine and Cosine waves, are different in wavelength and amplitude.

2007-01-25 19:45:20 · answer #2 · answered by Anonymous · 0⤊ 0⤋