Re: [time-nuts] Framework for simulation of oscillators

Hi Tom, On 03/28/2016 04:25 AM, Tom Van Baak wrote: BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, which is kind inconvenient when doing a long term measurment... Attila Kinali I've collected a day of TimeLab/TimePod data at tau 0.001 which is 86'400'000

Re: [time-nuts] Framework for simulation of oscillators

> > BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, > > which is kind inconvenient when doing a long term measurment... > > I didn't know that. Good to know. Attila, wasn't this related to an invalid ':' character in the filename coming through from VirtualBox? Or

Re: [time-nuts] Framework for simulation of oscillators

Hi > On Mar 27, 2016, at 9:23 PM, John Miles wrote: > >> BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, >> which is kind inconvenient when doing a long term measurment... > > It had better not! :) Any steps to reproduce? > It’s never stopped

Re: [time-nuts] Framework for simulation of oscillators

Goddag Attila, On 03/28/2016 01:48 AM, Attila Kinali wrote: N'abend Magnus, On Tue, 22 Mar 2016 01:11:41 +0100 Magnus Danielson wrote: Yes, of course. Noise is generally not i.i.d. and thus one cannot use the same generator for more than one model in the same

Re: [time-nuts] Framework for simulation of oscillators

I regularly acquire and process over 4x that number using a Timepod. Bruce On Monday, 28 March 2016 3:02 PM, John Miles wrote: > BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, > which is kind inconvenient when doing a long term measurment...

Re: [time-nuts] Framework for simulation of oscillators

> BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, > which is kind inconvenient when doing a long term measurment... > > Attila Kinali I've collected a day of TimeLab/TimePod data at tau 0.001 which is 86'400'000 datapoints. Should be no problem. Note Stable32 has a

Re: [time-nuts] Framework for simulation of oscillators

> BTW: I discovered that Timelab stops processing after 10'000'000 datapoints, > which is kind inconvenient when doing a long term measurment... It had better not! :) Any steps to reproduce? -- john, KE5FX Miles Design LLC ___ time-nuts mailing list

Re: [time-nuts] Framework for simulation of oscillators

N'abend Magnus, On Tue, 22 Mar 2016 01:11:41 +0100 Magnus Danielson wrote: > > Yes, of course. Noise is generally not i.i.d. and thus one cannot use > > the same generator for more than one model in the same simulation. > > > > Oh.. and just to make things more

Re: [time-nuts] Framework for simulation of oscillators

Hi, On 03/21/2016 10:52 PM, Attila Kinali wrote: Good evening On Sun, 20 Mar 2016 22:33:15 +0100 Magnus Danielson wrote: As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they will not give very detailed information, but hints. The flicker noise model comes

Re: [time-nuts] Framework for simulation of oscillators

On 03/21/2016 11:14 PM, Attila Kinali wrote: Good nat! On Sun, 20 Mar 2016 23:52:22 +0100 Magnus Danielson wrote: I'm currently using the code from Brooker and Inggs[1,2], but the code is quite convoluted and it will take me some time to extract it and get it

Re: [time-nuts] Framework for simulation of oscillators

Good evening On Sun, 20 Mar 2016 22:33:15 +0100 Magnus Danielson wrote: > As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they > will not give very detailed information, but hints. The flicker noise > model comes from Jim Barnes and Chuck Greenhalls PTTI 19

Re: [time-nuts] Framework for simulation of oscillators

Hi Ulrich, Interesting article. Did you see Craig Nelsons article on building a mixer out of 2NA transistors? Cheers, Magnus On 03/21/2016 12:45 AM, ka2...@aol.com wrote: http://joerg-berkner.de/Fachartikel/pdf/2000_AKB_Berkner_1f_noise.pdf In a message dated 3/20/2016 5:33:21 P.M.

Re: [time-nuts] Framework for simulation of oscillators

http://scholarcommons.usf.edu/cgi/viewcontent.cgi?article=2270=etd In a message dated 3/20/2016 5:33:21 P.M. Eastern Daylight Time, mag...@rubidium.se writes: Ulrich and Attila, As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they will not give very detailed

Re: [time-nuts] Framework for simulation of oscillators

http://joerg-berkner.de/Fachartikel/pdf/2000_AKB_Berkner_1f_noise.pdf In a message dated 3/20/2016 5:33:21 P.M. Eastern Daylight Time, mag...@rubidium.se writes: Ulrich and Attila, As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they will not give very

Re: [time-nuts] Framework for simulation of oscillators

Goder afton Attila, On 03/20/2016 10:20 PM, Attila Kinali wrote: God kväll Magnus, On Sun, 20 Mar 2016 20:43:00 +0100 Magnus Danielson wrote: If not, does someone have pointers how to write realistic oscillator models for this kind of short and long term

Re: [time-nuts] Framework for simulation of oscillators

God kväll Magnus, On Sun, 20 Mar 2016 20:43:00 +0100 Magnus Danielson wrote: > > If not, does someone have pointers how to write realistic oscillator models > > for this kind of short and long term simulation? > > It is a large field that you tries to cover. What

Re: [time-nuts] Framework for simulation of oscillators

Thanks, Ulrich In a message dated 3/20/2016 5:33:21 P.M. Eastern Daylight Time, mag...@rubidium.se writes: Ulrich and Attila, As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they will not give very detailed information, but hints. The flicker noise model comes from Jim

Re: [time-nuts] Framework for simulation of oscillators

Ulrich and Attila, As you read the appendixes of ITU-T Rec. G.823, G.824 and G.825 they will not give very detailed information, but hints. The flicker noise model comes from Jim Barnes and Chuck Greenhalls PTTI 19 article "Large Sample Simulation of Flicker Noise". Be aware of Chuck's

Re: [time-nuts] Framework for simulation of oscillators

I am interested in this topic too, thanks, Ulrich In a message dated 3/20/2016 4:10:12 P.M. Eastern Daylight Time, mag...@rubidium.dyndns.org writes: Attila, On 03/17/2016 10:56 AM, Attila Kinali wrote: > Moin, > > Measurement we recently did showed some quite unexpected behaviour >

Re: [time-nuts] Framework for simulation of oscillators

Attila, On 03/17/2016 10:56 AM, Attila Kinali wrote: Moin, Measurement we recently did showed some quite unexpected behaviour and I am trying to figure out where this comes from. For this I would like to simulate our system, which consists of multiple crystal oscillators that are coupled in a

[time-nuts] Framework for simulation of oscillators

Moin, Measurement we recently did showed some quite unexpected behaviour and I am trying to figure out where this comes from. For this I would like to simulate our system, which consists of multiple crystal oscillators that are coupled in a non-linear way (kind of a vector-PLL with a step

Re: [time-nuts] Framework for simulation of oscillators

On Thu, 17 Mar 2016 06:20:00 -0700 jimlux wrote: > On 3/17/16 2:56 AM, Attila Kinali wrote: > > > > > As I am pretty sure not the first one to attempt something like this, > > I would like to ask whether someone has already some software framework > > around for this kind

Re: [time-nuts] Framework for simulation of oscillators

On 3/17/16 2:56 AM, Attila Kinali wrote: As I am pretty sure not the first one to attempt something like this, I would like to ask whether someone has already some software framework around for this kind of simulation? If not, does someone have pointers how to write realistic oscillator