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Re: [Discuss-gnuradio] gr.firdes_hilbert () usage


From: Matt Ettus
Subject: Re: [Discuss-gnuradio] gr.firdes_hilbert () usage
Date: Fri, 26 Nov 2004 10:31:01 -0800
User-agent: Internet Messaging Program (IMP) 4.0-cvs

> I think what's happening is that: gr.firdes_hilbert taps in
> gr.fir_filter_fff is also
> acting as a high pass filter, with a cutoff about 2% of the sampling rate

Hilbert filters don't pass DC.  You can see that by taking the sum of the taps,
and it will be 0.

Matt




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