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Re: [Discuss-gnuradio] DC-block block

From: Brian Padalino
Subject: Re: [Discuss-gnuradio] DC-block block
Date: Fri, 20 Mar 2015 10:25:08 -0400

On Fri, Mar 20, 2015 at 9:45 AM, Marcus D. Leech <address@hidden> wrote:
> I'm wanting to use the DC-block block, and I have questions about its use.
> My scenario is to use it as a cheap high-pass, with a corner frequency of a
> few milli-hertz, with samples arriving at 50Hz.
> It's not clear how the "length" parameter relates to the desired corner
> frequency and sample rate.

I believe this is implemented as described as a linear phase DC
blocker in this paper:


I believe the "length" parameter is the "D" parameter in the moving
average calculations.

Hopefully this helps.


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