Video that explains the complex exponential

While writing the second part of the Fourier tutorial, I came across this video which does a great job of explaining the complex exponential, its relationship to sinusoids and hence to the reason why signal processing math is done with exponentials. Nicely done.

Posted in DFT, Digital Communications, Fourier Transform Tutorial
3 comments on “Video that explains the complex exponential
  1. Arthur Gray says:

    My professor recommended your site and thank goodness I saved all her suggested reading. I’m a nerd at heart and would to say thank you for tutorials. Have a blessed day.

  2. Arthur Gray says:

    Oops. I meant to say I would like to say thank you for your tutorials, Mam. Pardon syntax. I know better.

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