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NRT-JPDFC Joint Probability Density Function Calculator

NRT’s Joint Probability Density Function Calculator (NRT-JPDFC) generates a topographical contour map of the PMD probability in 2-D PMD space, namely SOPMD vs. DGD.

30-ps-JPDF

Each generated contour on the graph shows the probability of the PMD state to be found within the contour.  Hence the 50% contour (black innermost contour) shows the PMD states where the fiber will be half of the time. The red outermost contour designates the PMD region 99.997% of the time. Using the cursor, the time spent at any PMD state can be determined.

The JPDF is calculated by simply entering the mean fiber PMD, <t>

Download the JPDFC Demo for an example of DGD & SOPMD probabilities.

Key Features & Benefits

  • Determine important PMD regions for measurements
  • Time per year given for any point on the JPDF
  • Great graphical tool to display measurement results
  • Gives insight into what PMD regions contribute to the Total Outage Probability.
  • Calculates JPDF for any mean PMD value.
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