Talk:Bessel filter

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omega0 is not the cut-off frequency! This got me totally confused while I was trying to implement one. omega0 is a frequency chosen to give you the cut-off frequency you desire, which isn't the same thing. I have added a link to the paper that told me this (although I forgot to log in when I did it. It is http://ece-www.colorado.edu/~ecen2260/slides/FilterSlides.pdf The next question, of course, is how do you calculate omega0? I'll do some more thinking. Tim Band 11:51, 3 December 2007 (UTC)