In message <[EMAIL PROTECTED]>, "Brooks Shera" writes: >The impact of time averaging to suppress white phase noise is illustrated >by a new plot TVB has created and placed on his website > http://www.leapsecond.com/pages/3gps/gps-adev.gif. > >These revealing plots show that just a few hundred-second time average has >largely removed the performance >difference between the aged VP and the newer M12+ and has almost entirely >removed the benefit of sawtooth correction (CNS-CNS II). These important >results are not evident in the usual ADEV plot.
This is simply not true. No averaging period can ever guarantee you will not get a constant offset from the sawtooth. You may get rid of the noise, but not the bias. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts