One of the problems in evaluating the firing probabilities for Electroexplosives Devices (EEDs) is the assumption of normality for the firing probability distribution function. Many if not most tests of EEDs are run using the assumption to the current or voltage amplitude of the applied waveform. Franklin Applied Physics has always used the assumption that the current or voltage. for that matter we also run all our RF sensitivity tests assuming that the probability is distributed log normally with power. Testing the assumption, since both assumptions give very close to the same result close to the middle of the distribution, involves testing of EEDs far from the mean where the probability of firing is either very big or very little and very many deices must be exposed. The necessary tests are therefore very expensive, due to both labor and device cost, and still hold out no large chance of determining definitively the actual distribution with nay reasonable amountof money available.
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