Hoi Jim, You know, you have this peculiar way of asking seemingly simple questions that are very hard to answer? :-)
On Fri, 10 Jun 2016 12:42:13 -0700 jimlux <jim...@earthlink.net> wrote: > Say you have 1 second of sampled data (so the FFT resolution is 1 Hz). > If you're interested in the noise power at, say, 10 Hz away, a > rectangular window isn't going to be very far down, unless you have a > LOT of points in the FFT. Maybe the book [1] can help you. It's chapter 2 contains infromation on how to get spectral components from samples. And one point is how windowing influences the result. Sorry, I cannot help you more than that, I barely understand the topic myself. Attila Kinali [1] "Spectral Analysis of Signals", by Petre Soica and Randolph Moses, 2005 http://user.it.uu.se/~ps/SAS-new.pdf -- Malek's Law: Any simple idea will be worded in the most complicated way. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.