Description: Frequency, oscillation number, the number of full oscillations per unit time. It is the reciprocal of the oscillation or period duration ""T""; Name: oscillation number
Description: Measured output frequency of the frequency converter; Name: Frequency
Description: ten times the logarithm to the base 10 of the ratio of the sound energy, j, to a reference value, j0, expressed in decibels; Name: sound energy level