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From: | Christophe Seguinot |
Subject: | Re: qt gui frequency sink in frequency hopping |
Date: | Mon, 21 Dec 2020 13:21:43 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
Hi Without a flowgraph anyone can help.The first thing I would check : verify the sampling rate used in each block. When using several sampling rate, when one is uncorrectly set it can stop your simulation and freeze time or frequency sink.
Sincerely, Christophe On 21/12/2020 11:50, Ali G. Dezfuli wrote:
Hi all,I work on a Frequency Hopping (FH) Tx and Rx in the same grc flowchart in 3.7.13.4 in Ubuntu 16.04. At the end of the Tx chain, I put a "Qt GUI Frequency Sink", but it just shows part of subchannels in the spectrum!!!I changed its parameters especially "Update Period" but no change.The very interesting point is that when I remove the Rx chain (lessen the complexity), it shows the spectrum of FH correctly!I really wonder why. Thanks, AGD
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