Along the same lines, I thought this article is really good at building some intuition about the Fourier transform: http://betterexplained.com/articles/an-inte

Along the same lines, I thought this article is really good at building some intuition about the Fourier transform: http://betterexplained.com/articles/an-interactive-guide-to-the-fourier-transform/ http://betterexplained.com/articles/an-interactive-guide-to-...