k - spsc - Graz University of Technology
k - spsc - Graz University of Technology
k - spsc - Graz University of Technology
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SPSC – Signal Processing & Speech Communication Lab<br />
Ratio:<br />
bandwidth<br />
center − frequency<br />
Ω<br />
k<br />
=<br />
2<br />
−k<br />
2<br />
( β − α )<br />
−k<br />
αβ<br />
=<br />
1<br />
2<br />
is independent <strong>of</strong> integer k<br />
In electrical filter theory such a system is <strong>of</strong>ten said to be a ‘constant Q’ system!<br />
( Q ... Quality factor<br />
center − frequency<br />
Q = )<br />
bandwidth<br />
Pr<strong>of</strong>essor Georg Holzmann, Horst Cerjak, Christian 19.12.2005 Wallinger 12.06.07 Wavelet T. - Relation to Filter Banks<br />
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