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Correction to Guided_Tutorial_PSK_Demodulation
From: |
Barry Duggan |
Subject: |
Correction to Guided_Tutorial_PSK_Demodulation |
Date: |
Tue, 7 Jul 2020 10:54:55 -0500 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
Refs:
-
https://wiki.gnuradio.org/index.php/Guided_Tutorial_PSK_Demodulation#Decoding
- https://github.com/gnuradio/gnuradio/issues/3599
I have found, corrected, and tested the problems with mpsk_stage6.grc
The order of blocks should be Constellation_Decoder,
Differential_Decoder, and Map.
The receive Map should be [0,1,2,3].
The corrected flowgraph is in https://pastebin.com/2mRCzmPF
Once you go to the pastebin link, you need to click on the 'raw' icon to
get the unformatted text.
I have tested with 3.8.1.0 and 3.9.0.0-git. The author of issue 3599
tested with 3.7.13.5. If any of you can test it for me before I write a
PR, I would appreciate it!
Thanks :)
--
Barry Duggan KV4FV
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