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Trying to understand simple example
From: |
Alexander Plotnikov |
Subject: |
Trying to understand simple example |
Date: |
Wed, 23 Mar 2022 16:18:27 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 |
Greetings to all!
I am a very new GNU Radio user.
For now I am trying to get simple example with spectrum analyzer.
I am encountering problems with understanding the result of the results
I get. I am attaching to screens - one for the schematic and one for Qt
FFT block result.
As for now I do not understand - why do I get some strange -15dB value
on spectrum for I am using a simple gen with 1 volt amplitude. And how
to customize the y-scale correctly.
I hope if anybody can help me with this and clarify those questions.
Thank everyone in advance.
Alex
Screenshot from 2022-03-23 16-14-44.png
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Screenshot from 2022-03-23 16-14-54.png
Description: PNG image
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