ratio, for amplitude modulation, of half the difference of the maximum and minimum amplitudes to the mean value of the amplitude NOTE - This definition does not apply to asymmetrical modulation or over-modulation. Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=314-08-04
ratio, for amplitude modulation, of half the difference of the maximum and minimum amplitudes to the mean value of the amplitude NOTE - This definition does not apply to asymmetrical modulation or over-modulation.