logarithmic quantity
logarithm of the ratio of two quantities
information content
logarithmic quantity derived from the probability of a particular event
common mode rejection ratio
ratio of rejection of common mode signals to differential signals
exposure value
measure of illuminance for a combination of a camera's shutter speed and f-number
sound pressure level
local pressure deviation from the ambient pressure, caused by a sound wave
pH
measure of the acidity of an aqueous solution
loudness level
magnitude of the physiological sensation by a sound
absorbance
capacity of a substance to absorb light of a certain wavelength