When USRP down convert the passband signal, does it perform phase
Or in other words, does the phase of the sin wave from the local
lock to the phase of the incoming signal?
Phase is needed in coherent demodulation. I just want to know where it
performed in the USRP and GNU radio. I conjecture that the USRP does not
estimate the phase and the demodulator does phase estimation, for
in gr_mpsk_receiver_cc. But I am not sure.
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