Re: [Discuss-gnuradio] How to calculate SNR?

[Tom Rondeau]

On Mon, Mar 31, 2014 at 2:56 PM, Azza Ben Mosbah
<address@hidden> wrote:
> Hi All,
>
> I checked this document, it gives an idea about SNR estimators in GNU Radio:
> http://www.trondeau.com/blog/2011/12/30/snr-estimators.html
> And I checked this Python file:
> http://gnuradio.org/redmine/projects/gnuradio/repository/revisions/ef4d48de26b64d89851a93fc5402b33fcc1a809f/entry/gr-digital/examples/snr_estimators.py
>
> But, I need more details about the types of estimators (simple, skewness,
> 2nd and 4th moment, svr). What are the differences between those estimators?
> And in which case should I consider each type?
> Any help is appreciated.
>
> Thank you,
> Azza

When in doubt, check the docs!

http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1mpsk__snr__est__simple.html
http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1mpsk__snr__est__skew.html
http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1mpsk__snr__est__m2m4.html
http://gnuradio.org/doc/doxygen/classgr_1_1digital_1_1mpsk__snr__est__svr.html

Tom