From: [EMAIL PROTECTED] Subject: Re: [time-nuts] Ultra low phase noise floor measurement system for RF devices. Date: Fri, 30 Mar 2007 13:17:09 EDT Message-ID: <[EMAIL PROTECTED]>
Said, > In a message dated 3/29/2007 21:33:44 Pacific Daylight Time, > [EMAIL PROTECTED] writes: > > _http://arxiv.org/PS_cache/physics/pdf/0503/0503015.pdf_ > (http://arxiv.org/PS_cache/physics/pdf/0503/0503015.pdf) > > > Hi Bruce, > > Isn't a -200dBc/Hz floor below the thermal noise floor that can be achieved? > > bye, > Said Until I've actually read the paper, ask yourself how our GPS receivers is able to track signals below their internal noise. There are a number of tricky aspects involved in doing that and I beleive the paper goes into those. I have it in print here and will read it as I come back home. Cheers, Magnus _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
