Alberto di Bene skrev:
Magnus Danielson wrote:
Hmm, do you get a feeling that I am actually object very much to just
toss it into the processor. I think you are right. :)
I suppose you are familiar with the old American adage that says that to
a man with
a hammer every problem looks like a
Lux, James P skrev:
-Original Message-
From: time-nuts-boun...@febo.com
[mailto:time-nuts-boun...@febo.com] On Behalf Of Rex Moncur
Sent: Tuesday, June 02, 2009 3:06 PM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] Sound Cards for locking to GPSDO 1
In a message dated 02/06/2009 02:11:10 GMT Daylight Time, w...@quackers.net
writes:
Much to my amazement, I did find some notes on the DB-25 15Mhz board
pinout:
---
Thanks Bill, that's very much appreciated.
As you suggested previously I'm probably not going to find too
Hello,
I have a working 3048A phase noise test set. I'm trying to get a new
computer to work with the system.
I have finally got the computer to talk to the HPIB 82335A HPIB card.
I am using windows 98.
When I run the PN.exe program, it immediately says that it can't find the
HPIB card.
Howe
connie.marsh...@suddenlink.net said:
> www.k5cm.com/soundcard.htm
Nice, thanks.
>From there:
> Sound card drift over this four hour period is about 250 micro Hertz.
> The temp in the shack was going up during the measurement period.
> Unfortunately I did not track the exact temp rise, but was ab
Hello,
Re my email on the 3048A software.
I got the unit to work. I have to start windows 98 in dos mode.
Don't know why but I'm happy with that.
It would be nice to have windows running properly, so if anyone does know
the answer, that would be great.
Regards
Martyn
_
> One of the main problems is that in working at milli-Hz binwidths the
> FTT word length needs to be very long to cover even a few tens of Hz
> range and we run into memory problems.
I'm missing something. How much memory do you have on your laptop?
I'm not a DSP wizard. If you have 10 Hz ban
> There is an overbeleif in what software is suitable for IMHO.
[Fun discussion. Thanks.]
Many years ago, somebody on the FPGA newsgroup pointed out that, in general,
if you can do the problem in software that's probably the better way. One of
the considerations is that it's easier to hire pr
You know, I probably need to run the test again and do a better job of
tracking room temp. My thermometer is high up on the wall in the shack. The
computer sets under the bench in a corner. It does represent a typical
afternoon in my shack however.
73,
Connie
K5CM
-Original Message-
Fro
> Hello,
>
> Re my email on the 3048A software.
>
> I got the unit to work. I have to start windows 98 in dos mode.
>
> Don't know why but I'm happy with that.
>
> It would be nice to have windows running properly, so if anyone does know
> the answer, that would be great.
Have you tried running
For a lot of people the FFT seems to be the "one size fits all" solution to
any frequency and phase related problem in DSP. It is NOT! For
frequency/phase detection & comparisons from sets of sampled data the
methods explained in
http://ipnpr.jpl.nasa.gov/progress_report/42-121/121G.pdf
are MUCH
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