Re: [Discuss-gnuradio] USRP GNU radio receiver

Ettus USRPs are not calibrated measurement devices, so be a bit careful
with actually measuring power with them: you'll need to calibrate
things yourself for every sample rate, carrier frequency, antenna,
temperature … combination.

Best regards,
Marcus

On Tue, 2019-07-16 at 17:37 +0100, Simona Sibio wrote:
> Hi Marcus and Sumit,
>
> Thank you for the answer.
> I tried with different sampling rate until 5M.
> And I connected the spectrum analyzer to measure the power.
> Practically, I would like to measure the power also in the receiver.
> Best Regards,
>
> Simona
>
> Il giorno mar 16 lug 2019 alle ore 17:20 Müller, Marcus (CEL) <mueller@kit.edu> ha scritto:
> > Hi Simona,
> >
> > * think about what you're *actually* transmitting in bandpass when you
> > have a constant baseband
> > * A USRP still can't be used at a sampling rate of 32 kS/s and will
> > most definitely complain about that. Use a higher rate.
> >
> > Best regards,
> > Marcus
> >
> > On Tue, 2019-07-16 at 17:05 +0100, Simona Sibio wrote:
> > > Thank you for the assistance.
> > >
> > > I put the module "constant source" in my flow grap.
> > > With this module, I can choose witch amplitude I want to send.
> > > I attached the flow graph.
> > > And, I would want to read these values in the receiver.
> > >
> > > Simona
> > >
> > > Il giorno mar 16 lug 2019 alle ore 16:58 sumit kumar <sumitstop@gmail.com> ha scritto:
> > > > Hi Simona, what is the "constant signal" here ?
> > > >
> > > > On Tue, 16 Jul 2019 at 17:54, Simona Sibio <ssibio2@gmail.com> wrote:
> > > > > Hi all,
> > > > >
> > > > > I want to use GNU radio to measure the amplitude and the phase of a signal.
> > > > > I send a constant signal with the transmitter USRP but in the receiver there is a flat signal with amplitude 0 and offset 0.
> > > > > I tried to send a sine signal and the receveir works fine.
> > > > > How can I do to send only a constant and measure the amplitude?
> > > > >
> > > > > Thank you for your time.
> > > > >
> > > > > Simona
> > > > >
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