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From: | John Ackermann N8UR |
Subject: | Re: [Discuss-gnuradio] Correct method for "compressing" a power spectrum |
Date: | Mon, 09 Mar 2009 09:19:17 -0400 |
User-agent: | Thunderbird 2.0.0.19 (Windows/20081209) |
010 050 010|010 050 010|120 130 120|120 130 120|010 050 010|010 050 010 You'd end up with 050 010 130 120 050 010The idea is that this looks more like the "grass" that you would see on a non-digital analyzer and accentuates the difference between noise and stable signal, where averaging the bins would lose that distinction -- it has the effect of removing indicators that you're looking at noise.
Not sure if this might be applicable to the application, and not sure I got the details just right from memory, but I think searching "Rosenfell" would find more details.
John
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