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[Discuss-gnuradio] Question: gr_single_pole_iir_filter_cc

From: Jonas
Subject: [Discuss-gnuradio] Question: gr_single_pole_iir_filter_cc
Date: Mon, 10 Mar 2008 14:22:17 +0800

Hi All!

I would just like to ask what this line means. This has been taken from the doxygen generated documentation for gr_single_pole_iir_filter_cc:

\[ H(z) = \frac{alpha}{1 - (1-alpha) z^{-1}} \]


Is it alpha /(1-(1-alpha)*z^-1)? Or is it 1/(alpha(1-(1-alpha)*z^-1))?

Thanks!
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