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[Discuss-gnuradio] SImple Audio Transmitter using DQPSK modulation

From: JONNY LEYIKUN
Subject: [Discuss-gnuradio] SImple Audio Transmitter using DQPSK modulation
Date: Fri, 1 Jun 2018 14:21:56 -0400
Dear all

I try to transmit Audio File using simple DQPSK modulation and  N2910 USB support USRP. I  can transmit a clear audio file, but the second USRP does not synchronize and receive the audio file. I tried  all possible sample rate and center frequency according to  USRP manual but still, the same it received only some kind of noise staff  please  tell me if I made a mistake







Thank you
 

Attachment: sim.grc
Description: application/gnuradio-grc

Attachment: sim2.grc
Description: application/gnuradio-grc

Attachment: Screenshot from 2018-06-01 14-19-05.png
Description: PNG image

Attachment: Screenshot from 2018-06-01 14-19-32.png
Description: PNG image

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