Forums

minimax and choosing weights

Started by MA September 16, 2005
MA wrote:
> Hmmm... remezord seems to make an optimistic estimate of the required > order. I get the same result using fdatool, I must add 2 to the order to > be within specified limits. > > This message was sent using the Comp.DSP web interface on > www.DSPRelated.com
The order estimation formulas are just that - an estimate. The formulas are based on empirical results. The estimation meets most filter specifications, but not all. Cheers, David
MA wrote:
> Hmmm... remezord seems to make an optimistic estimate of the required > order. I get the same result using fdatool, I must add 2 to the order to > be within specified limits. > > This message was sent using the Comp.DSP web interface on > www.DSPRelated.com
You don't say what the total number of taps is, but +/-2 is a reasonable estimate. Jerry -- Engineering is the art of making what you want from things you can get. �����������������������������������������������������������������������