It was handed out as support material in a course. I can't for the life of me find it online. Anyhow, the transform hinges on two insights: you can use a point

It was handed out as support material in a course. I can't for the life of me find it online. Anyhow, the transform hinges on two insights: you can use a point rotating in a circle as a basic building block and you can look at any signal as a sequence of spikes. This article looks like it follows the same approach: http://betterexplained.com/articles/an-interactive-guide-to-the-fourier-transform/ http://betterexplained.com/articles/an-interactive-guide-to-...