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Re: [Discuss-gnuradio] Basic RX daughterboard: DC bias

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Basic RX daughterboard: DC bias
Date: Tue, 19 Jun 2007 21:20:01 -0700
User-agent: Thunderbird (X11/20070326)

Chris Stankevitz wrote:
> Hi,
> When I run the basic RX daughterboard with no input cable attached,
> usrp_fft reports a signal at 0 Hz (which I assume to be some kind of
> DC bias created within the USRP or daughterboard).  How can I remove
> this?

Take a long term average of the signal and subtract it from the signal.


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