Hello,
i send frequency chrip signal with an usrp over a phaseshifter and modulat with that an 2-PSK the signal, recieve the modulated signal in the same usrp and anlayse it.
The change phaseshifter alternately hange between 0° and 180°. But i don't get accurate results after demodulation. I attached my graph , time diagramm and constallation diagramm (on top the RX and bottom TX).
Can someone help me ?
Best regards,
Till
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