Re: Calculating SNR of an incoming signal

[Marcus Müller]

Hi Alex,

one's signal is another person's noise... You need to define of what 
nature your signal is, and then you can (often) quite easily build an 
SNR estimator for that specific signal :)

Best regards,
Marcus

On 24/06/2020 14.58, Alex Batts wrote:
> Hello,
>
> I am relatively new to GNU Radio and I am trying to calculate the SNR of 
> an incoming signal. On the QT Gui frequency display it shows a red line 
> and a green line which I take to be the average noise power and average 
> signal power of the incoming signal (from my RTL SDR) respectively. Is 
> there any way I can utilize in real time the values of these two lines 
> to calculate an SNR? If not, is there a way to determine a value at a 
> specific frequency/average value over a range of frequencies for this 
> calculation?
>
> Thank you in advance,
>
> Alex

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