Hi all,(adsbygoogle = window.adsbygoogle || []).push({});

I just know the Fourier series can be applied in differential equation solving, and that's all. Can anyone tell me the physical meaning of the Fourier transform, and fast Fourier transform too.

Thank you very much.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Fourier transform meaning

**Physics Forums | Science Articles, Homework Help, Discussion**