>I have read a little about this but exactly when would you use such an
>approach? Is it when you roughly know the frequency you are looking for
>and need more accuracy? I understand it is a filter with bandwidth
>2^(1/N) for a normalised freq centred on unity. What is wrong with
>ordinary FFTs?
>
>
>Naebad
>
>

Take a look here
http://www.reed-electronics.com/tmworld/article/CA187318.html

Jeff

I have read a little about this but exactly when would you use such an
approach? Is it when you roughly know the frequency you are looking for
and need more accuracy? I understand it is a filter with bandwidth
2^(1/N) for a normalised freq centred on unity. What is wrong with
ordinary FFTs?


Naebad