Jens: Have you considered and rejected Pisarenko estimtion techniques or just not tried them yet?
Thank you for your efforts Bob On Fri, Mar 26, 2010 at 6:58 PM, Jens Elsner <jpels...@1c3.de> wrote: > Hi Brian, > > >> we've done some work to our 'Spectral Estimation Toolbox' and added > >> Burg's algorithm for spectral estimation. It's all on CGRAN, see > >> https://www.cgran.org/wiki/SpecEst > > > > This is good stuff; thanks for sharing! > > > > If you don't mind, I am curious of your experience of the Burg versus > > Welch implementation and results - which do you prefer? It looks like > > Burg translates to frequency domain first, and Welch stays in the time > > domain? Any idea how much of the bandwidth can be occupied before the > > algorithms are not relatively accurate anymore? In the presence > > high-noise, are the algorithms still able to detect the tones in your > > current setup? > > Welch's and Burg's method are very different approaches to spectrum > estimation > and both have their pros and cons. Burg can be better if fewer samples > are available, but one has to be careful when choosing the filter order > (model complexity). > > These questions are best answered in detail in the very good book by > Stoica/Moses "Spectral Analysis of Signals", Prentice Hall, 2005. > > Best regards, > Jens > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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