View changes over time for defined inputs

Discussion and questions regarding the Radiated Immunity and Conducted Immunity modules of RadiMation.
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Rdammert
Posts: 6
Joined: 09 Jun 2020, 15:46

View changes over time for defined inputs

Post by Rdammert »

For a certain test i am measuring an input, is it possible to see the changes of this measured input over time?
Last edited by Rdammert on 25 Jun 2020, 15:15, edited 2 times in total.
Jeru
Posts: 38
Joined: 09 Jun 2020, 15:48

Re: View changes over time for defined inputs

Post by Jeru »

For the immunity testing modules there are a couple data view options
  • Frequency view --> Shows the measurement data indexed on frequency.
  • Time view --> Shows the measurement data indexed on time.
  • Table view --> Show measured data within tables based on the last active view.
The frequency view will only show the last value that is measured as it is present during the dwelltime.
The time view will show any change of the measurement data of the various signals over the duration of time. Also the values that are changed out of the dwelltime will be shown. This can for example be helpful to view the changes of the power levels during the regulation of the power levels out of the dwelltime.

Although take in consideration that RadiMation only measures the inputs of the EUT monitoring channels only at the end of the dwell time. This means that only the value of the EUT monitoring channel that is present at the end of the dwell time is measured, and any value at other moments of time are not measured.

If your goal is to measure for example: power or voltage at the input to verify the influence of your EUT at certain frequency's, frequency view should be adequate as it can show you the value at that specific frequency point.

If you want to see the changes of your input during the dwell time, this is not possible, as only the value that is actually present at the end of the dwell time will be shown.

If for example you want to measure the frequency of an intermittent signal(input) as function of the applied disturbance, it is advised to use an frequency analyzer or scope which can communicate back to RadiMation what the current frequency of the signal is.
This will results in more accurate values as the changes are measured by a dedicated machine.

This is more accurate due too the moment and duration of the dwell time, controlled by RadiMation, not influencing the determination of the frequency of the signal at the input, measured by the frequency analyzer/scope.

However, keep in mind that the values of the frequency analyzer/scope will still only be retrieved by RadiMation during the end of the dwell time.
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joro
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Re: View changes over time for defined inputs

Post by joro »

Also see https://forum.radimation.com/viewtopic.php?f=5&t=883 for a very similar question, which also explains the difference between the frequency and time graph.
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