You might be interested in "The Scientist and Engineer's Guide to Digital Signal Processing": http://www.dspguide.com/ http://www.dspguide.com/ ...you might w

You might be interested in "The Scientist and Engineer's Guide to Digital Signal Processing": http://www.dspguide.com/ http://www.dspguide.com/ ...you might want to start by skimming chapters 23 and 24.