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kangfulike

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B. Wet Arcs
Wet arcs were simulated using a saline drip test. An example
of this is shown in Fig. 7, with the strobe light connected as
load. Several different time steps are superimposed in this
figure, showing the range of values over time. The time steps
in the figure are the ten out of 200 samples that have the largest
difference from the initial baseline, since these will be the
samples representing the wet arc. The location of the arc is
clearly seen as an area with substantial change. When this is
observed sequentially, the dripping/drying and the resultant
activity/inactivity can be seen. When the water is present, the
low peaks are seen. When the water is not present, the curve
is flatter in that location. The combination gives a region of
substantial noise that can be identified as the wet arc location
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magice1986

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