fourier transform

1 definition found

fourier transform - Free On-line Dictionary of Computing (26 May 2007) :

  Fourier transform
  
     <mathematics> A technique for expressing a waveform as a
     weighted sum of sines and cosines.
  
     Computers generally rely on the version known as discrete Fourier transform
     .
  
     Named after J. B. Joseph Fourier (1768 -- 1830).
  
     See also wavelet, discrete cosine transform.
  
     (1997-03-9)