So we have been using pulse width modulation (PWM) as a means to digitally change the driving voltage of vibration motors. Usually, afaik, the resulting voltage from PWM is expressed as %duty cycle and not as a voltage (i.e., some % duty cycle, instead of Volts). We have used the expression %PWM in our manuscript.
Now one of the referees of our manuscript (indeed reviewer #2), is confused by this notation. Perhaps because they would like to call it % duty cycle (which is a valid argument). For technical reasons, I would like to replace the % notation entirely and call it voltage instead. So instead of saying 50%PWM (or 50% duty cycle), I'd like to simply say 2.5V (assuming the input was 5V).
Is it valid to use voltage as a unit (V) in scientific papers, while in fact PWM was used to emulate the voltage?