Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-15 Thread Magnus Danielson
Hi Fred, On 05/15/2011 10:55 PM, Tijd Dingen wrote: Hi Magnus, Magnus Danielson wrote: Well, you always have the corner-case where numerical precision and near same frequency beating comes into play, so what will help and what will reduce your precision becomes a little fuzzy to say in gene

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-15 Thread Tijd Dingen
Hi Magnus, Magnus Danielson wrote: >>> There are many things you can get away with, just how much trouble you >>> want to verify it versus doing the proper thing is another issue. >> Define "proper thing". ;-) From what I understand taking the exact Nth edge, >> and then do linear regression is e

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-15 Thread Magnus Danielson
Hi Fred, On 05/14/2011 03:42 PM, Tijd Dingen wrote: Magnus Danielson wrote: There are many things you can get away with, just how much trouble you want to verify it versus doing the proper thing is another issue. Define "proper thing". ;-) From what I understand taking the exact Nth edge, an

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-14 Thread Tijd Dingen
Magnus Danielson wrote: > There are many things you can get away with, just how much trouble you > want to verify it versus doing the proper thing is another issue. Define "proper thing". ;-) From what I understand taking the exact Nth edge, and then do linear regression is equivalent to taking

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-14 Thread Magnus Danielson
Hi Fred, On 05/14/2011 12:12 PM, Tijd Dingen wrote: Thanks for the sanity check! :) I was indeed hoping to be able to get away with "not every Nth edge" since that simplifies thing. There are many things you can get away with, just how much trouble you want to verify it versus doing the pro

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-14 Thread Tijd Dingen
for this particular applicaction? regards, Fred - Original Message - From: Magnus Danielson To: time-nuts@febo.com Cc: Sent: Saturday, May 14, 2011 9:28 AM Subject: Re: [time-nuts] Continuous timestamping reciprocal counter question On 05/13/2011 04:56 PM, Tijd Dingen wrote: > To

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-14 Thread Magnus Danielson
On 05/13/2011 04:56 PM, Tijd Dingen wrote: To calculate the frequency from these time stamps you have to do some slop fitting. If you use a least squares matrix approach for that I could see how the more random distribution could help prevent singularities. The only reason I can see now to rea

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-13 Thread Tijd Dingen
ble to spit out a timestamp for exactly every Nth cycle. Thanks! Fred - Original Message - From: Bob Camp To: 'Tijd Dingen' ; time-nuts@febo.com Cc: Sent: Friday, May 13, 2011 6:26 PM Subject: RE: [time-nuts] Continuous timestamping reciprocal counter question Hi Comp

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-13 Thread Bob Camp
ssive bandwidth" in all caps. Bob -Original Message- From: Tijd Dingen [mailto:tijddin...@yahoo.com] Sent: Friday, May 13, 2011 12:22 PM To: Bob Camp; time-nuts@febo.com Subject: Re: [time-nuts] Continuous timestamping reciprocal counter question Now it is my turn for an "it depen

Re: [time-nuts] Continuous timestamping reciprocal counter question

2011-05-13 Thread Tijd Dingen
om: Bob Camp To: 'Tijd Dingen' Cc: Sent: Friday, May 13, 2011 6:02 PM Subject: RE: [time-nuts] Continuous timestamping reciprocal counter question Hi The exactly every Nth cycle thing makes the math easy. Easy math means I can do lots of samples. Lots of samples means better regress