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References / Measurement conventions

Slew rate, Peak dB/dt, and Stimulation Intensity

Lab convention
The report defines slew rate as the slope of the pulse edge between 10 and 90 percent of peak, Peak dB/dt as the largest instantaneous rate of change in the captured waveform, and Stimulation Intensity as the rising plus falling slew multiplied by the pulse frequency.
Where it appears in the report: Slew Rate, Peak dB/dt Analysis, Stimulation Intensity

The evidence

Peak dB/dt comes from the raw captured samples, with a light median filter to reject noise. Stimulation Intensity is our metric: it combines edge speed and repetition rate into one cumulative figure. Each rests on the physics that the induced stimulus follows the rate of change. The exact definitions are ours, documented so the numbers stay comparable from one report to the next.
A single field pulse over time, with its rise and fall edges labeledA trapezoidal pulse showing the field rising from baseline to peak, holding, then falling back. The 10 percent and 90 percent levels mark the rise time and fall time; the width at 50 percent of peak is the pulse width; the steepness of the rising edge is the slew rate.90%10%Slew rateRise timeFall timePulse width (at 50%)Time →© 2026 Gauss Labs
One pulse over time. The field climbs from rest to its peak, holds, then falls back. How fast that rising edge climbs is the slew rate, and a steeper edge drives a stronger stimulus. The rise time and fall time are measured between the 10% and 90% levels; the pulse width is measured at half the peak.

Related references

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