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More intelligent algorithm for number of points in impz() needed #97

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chipmuenk opened this issue Dec 1, 2017 · 0 comments
Open

More intelligent algorithm for number of points in impz() needed #97

chipmuenk opened this issue Dec 1, 2017 · 0 comments
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DSP enhancement filter-design
Milestone
v1.0

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@chipmuenk
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The number of points to be calculated / plotted for FIR filters is equal to the number of taps. For IIR filters there is no such simple recipe. Currently, 100 points are calculated for IIR filters.

A more practical approximation could be e.g. derived from the frequency / Q of the dominant pole.
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