Steve on Image Processing

Archive for the ‘Fourier transforms’ Category

• Fourier transforms, vertical lines, and horizontal lines
  September 22nd, 2010
  
• Complex surprises from fft
  July 16th, 2010
  
• Plotting the DTFT using the output of fft
  June 25th, 2010
  
• Negative frequencies
  May 27th, 2010
  
• Fourier transforms – where to go from here
  May 10th, 2010
  
• No units in the DTFT
  March 18th, 2010
  
• The DFT and the DTFT
  March 15th, 2010
  
• Aliasing and a sampled cosine signal
  March 3rd, 2010
  
• Aliasing and the discrete-time Fourier transform
  February 22nd, 2010
  
• Sampling a cosine
  February 16th, 2010
  
• Relationship between continuous-time and discrete-time Fourier transforms
  January 18th, 2010
  
• Discrete-time Fourier transform (DTFT)
  December 31st, 2009
  
• A very different take on the Fourier transform
  December 18th, 2009
  
• Continuous-time Fourier transform of windowed cosine
  December 16th, 2009
  
• Continuous-time Fourier transform basics
  December 11th, 2009
  
• Example of Fourier terminology confusion
  December 7th, 2009
  
• Fourier transform visualization using windowing
  December 4th, 2009
  
• Fourier transforms
  November 23rd, 2009