Re: [Discuss-gnuradio] PSD in dBm/Hz

[Martin Braun]

The gr-specest toolbox has all sorts of spectrum estimation algorithms, 
but they also don't calibrate your device. A periodogram would be in 
there, called 'welch'.

M


On 06.03.2015 05:54, Activecat wrote:
> Dear Sirs,
>
> Thanks for the answers. Let me further elaborate.
>
> I could get what I want using Matlab, via below steps:
> 1).  Using GRC flowgraph, connect the USRP Source to a File Sink.
> 2).  Copy the file (says, test02.dat) to a PC running Matlab.
> 3).  Using Matlab, run these commands:
>         a).  c = read_complex_binary('test02.dat')
>         b).  figure; periodogram( c(1:100000), [], [], 10e6 )          #
> samp_rate is 10e6
>
> In this case I am able to get a PSD plot.
> The question is, how to produce the PSD plot using only gnuradio
> (without Matlab) ?
>
> Thank you very much.
>
>
>
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