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Re: [Discuss-gnuradio] signal distortion in simple code

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] signal distortion in simple code
Date: Thu, 30 Dec 2004 10:21:23 -0800
User-agent: Internet Messaging Program (IMP) 4.0-cvs

Quoting cswiger <address@hidden>:

> Gang - can anybody shed some light on my problem, it's a very
> simple script that has me pulling out hair.   The situation is
> laid out on this page:
> http://webpages.charter.net/cswiger/problem
> and is why is the real world signal all broken up while the
> software generated signal perfect?  The signal generator and
> ADC are all working fine! I must be overlooking something.
> Any tips appreciated.

My best guess without the actual data is that it looks like the DC offset of
your real signal causes you problems.  Try inserting a block to subtract out
the offset before sending it to the filter.


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