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From: | Luke Berndt |
Subject: | Re: [Discuss-gnuradio] Improve FSK4 decodes in OP25 |
Date: | Wed, 11 Jan 2017 21:56:51 -0500 |
Thanks Marcus! I will try putting in a low pass in first after the Quad demod. That BPF / Polyphase Channelizer approach sounds pretty cool too! I have attached a GRC file that I use for debugging and a link the raw dump from a File Sink. The sample rate at the sink is 96k/s, the system channel rate is 48k/s, with 10 samples per symbol. The FSK Level has to be set to about 0.66. I am sure that some of the problem is that I don’t have a great signal coming in, but if there is any additional processing I could do to improve the reception that would be great. |
debug.grc
Description: Binary data
Wav file Raw capture from a file sink
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