Re: laplace tranform convert to code

Started by Jerry Avins July 24, 2006
Tim Wescott wrote:
> tim w wrote:
>> -Also, the variable "fc" is the corner frequency. What is that on how do >> I set it??? > In a band stop filter fc is the center frequency of the stop band. In > your transfer function everything is scaled in time, with "To". For fc > in Hz, fc = 1/(2 * pi * To).
Other tim, Remember to prewarp the critical frequencies. Rick's book goes into it, and so do many other sources. Robert Bristow-Johnson wrote a clear description (in comp.dsp, I think); Google should turn it up. If not, Tim or I can describe the process, the equation is simple. Jerry -- Engineering is the art of making what you want from things you can get. �����������������������������������������������������������������������