What do you mean with "it finds noise"? When the PLL can no longer track the sinewave? I think that a simulator with such a behaviour must be written specifically for that capability.
On Fri, Aug 10, 2012 at 10:51 AM, Hal Murray <[email protected]>wrote: > Actually, there were 2 extra pulses. > > Here is the PPS view: > > http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a-pick.png > (Samples every 10 seconds.) > > Here is the audio view: > http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a0.png > http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a1.png > (16 bit audio, 8 KHz) > > I noticed a couple of other fishy areas: > http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-b0.png > http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-b1.png > They didn't confuse the PPS collector. > > I'm probably overlooking lots of similar glitches. I only noticed that > pair > because the first one happened at the bottom of a cycle and that was big > enough to stand out. I noticed the second one because it was close enough > to > the first one. > > Anybody got software to emulate a PLL? I'm looking for something that will > track a sine wave and tell me when it finds noise. > > I haven't seen any of the ground problems in the last day or so. I don't > know if that is just luck or if upgrading to Fedora 17 fixed something. > (Or > maybe I accidentally fixed something.) > > > -- > These are my opinions. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
