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Problem, Measure burst interval

Question asked by mike45 on Jul 31, 2013
Latest reply on Aug 7, 2013 by algoss

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Hello,

I will explain my problem,

I have an Agilent DSO90604A and I would like to measure the interval time (or also says interarrival time) between each perturbation. So I can use the measurement "Burst Interval" but this fonction measures only one interval time. This is the problem.
With my program Iwould measure each interarrival time of all pertubations (from device or network of home) for a duration of 1 second for example. Then the values should be stored (with Microsoft Excel).

Do you have solutions for this problem, please?

Sorry for my English, I am French.

Thank you.

Edited by: Mike45 on Jul 31, 2013 8:27 AM

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algoss

Aug 5, 2013 4:48 AM

Please supply a picture of what you want to measure. I think that segmented memory might provide what you are looking for, but I can't be sure.

Une image vaut mille mots!

Al

Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.

Je ne parle pas français :-)

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mike45 @ algoss on Aug 6, 2013 8:01 AM

Thanks for your answer

I would like to measure this:
http://www.casimages.com/img.php?i=130806045700800448.png

But on the picture there is no problem because only two signals are represented. In my case, there will be some ten signals (so tens of different values of interval) and the measure "burst interval" always uses the same interval.

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algoss

@ mike45 on Aug 7, 2013 4:59 AM

From your original post:
"With my program I would measure each interarrival time of all pertubations (from device or network of home) for a duration of 1 second for example. Then the values should be stored (with Microsoft Excel)."

How many perturbations are there in a second?

How much time between burst pairs?

How long are the bursts?

Why Excel?

The Burst Measurement on the scope on the scope will measure the time between every burst that it captures. It will keep statistics on those times, but discard the original values.

Capturing and saving the individual times will require some programming, and may not capture all bursts. Your program could capture a burst, save the measurement, capture a burst, save..., etc. but depending on the burst rate, it might not capture all of them.

If you have enough acquisition memory in your scope, you could use segmented mode to capture a specific number of bursts. Then, using some programming, you could get the measurement of each burst captured, and save the results. If you have, for instance, 1M of memory, and you reduce your depth to 1K, you could capture 1000 bursts.

There is no way to guarantee, as far as I know, that you could capture every burst, AND get the measurements from each one.

Al

Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.

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3 Replies

algoss Aug 5, 2013 4:48 AM
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Correct Answer
Please supply a picture of what you want to measure. I think that segmented memory might provide what you are looking for, but I can't be sure.

Une image vaut mille mots!

Al

Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.

Je ne parle pas français :-)
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- mike45 @ algoss on Aug 6, 2013 8:01 AM
  Mark Correct
  Correct Answer
  Thanks for your answer
  
  I would like to measure this:
  http://www.casimages.com/img.php?i=130806045700800448.png
  
  But on the picture there is no problem because only two signals are represented. In my case, there will be some ten signals (so tens of different values of interval) and the measure "burst interval" always uses the same interval.
  Like • Show 0 Likes0
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  - algoss @ mike45 on Aug 7, 2013 4:59 AM
    Mark Correct
    Correct Answer
    From your original post:
    "With my program I would measure each interarrival time of all pertubations (from device or network of home) for a duration of 1 second for example. Then the values should be stored (with Microsoft Excel)."
    
    How many perturbations are there in a second?
    
    How much time between burst pairs?
    
    How long are the bursts?
    
    Why Excel?
    
    The Burst Measurement on the scope on the scope will measure the time between every burst that it captures. It will keep statistics on those times, but discard the original values.
    
    Capturing and saving the individual times will require some programming, and may not capture all bursts. Your program could capture a burst, save the measurement, capture a burst, save..., etc. but depending on the burst rate, it might not capture all of them.
    
    If you have enough acquisition memory in your scope, you could use segmented mode to capture a specific number of bursts. Then, using some programming, you could get the measurement of each burst captured, and save the results. If you have, for instance, 1M of memory, and you reduce your depth to 1K, you could capture 1000 bursts.
    
    There is no way to guarantee, as far as I know, that you could capture every burst, AND get the measurements from each one.
    
    Al
    
    Disclaimer: For more reliable response, you should consider calling your local Agilent Technical Call Center. The Agilent Forums are monitored on an "as available" basis, and aren't necessarily the fastest way to get technical questions answered.
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Problem, Measure burst interval

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