Revision as of 04:13, 4 September 2008 by Asabesan (Talk)

Periodic Functions

A periodic function is a function which repeats over a period of time. A good example of periodic functions are:

  • $ \,y = sin(t) $

Oddsinx ECE301Fall2008mboutin.gif As you can see, this function repeats itself with a period of $ 2\pi $

  • $ \,y = cos(t) $

As you can see, this function repeats itself with a period of $ 2\pi $ Evencosx ECE301Fall2008mboutin.gif

Non-Periodic Functions

Non periodic functions don't repeat. A good example of non-periodic functions are:

  • $ \,y = x^2 $

Parabola ECE301Fall2008mboutin.gif

  • $ \,y = e^x $

Graph14 ECE301Fall2008mboutin.png

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Sees the importance of signal filtering in medical imaging

Dhruv Lamba, BSEE2010