Fig. (4) The patterned waveforms utilizing non-symmetric, charge balanced pulse trains at 30 V (maximum recharge voltage of 4 V). (a) Description of how the pulse duration was modulated for a base duration of 1000 µs: Full scale modulation (blue) at a modulation frequency of 5 Hz and a modulation percentage of 100%; Small scale modulation (red) at a modulation frequency of 20 Hz and a modulation percentage of 20%. These are slightly different than the experimental values for demonstration purposes. (b) Resultant full-scale modulation waveform where the shortest pulse durations occur around 0.1 s. (c) Resultant small-scale modulation waveform has more subtle changes as the pulse duration modulates between 800 and 1200 µs.

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