class astropy.units.DecibelUnit(physical_unit=None, function_unit=None)[source] [edit on github]

Bases: astropy.units.function.LogUnit

Logarithmic physical units expressed in dB


physical_unit : Unit or string

Unit that is encapsulated within the decibel function unit. If not given, dimensionless.

function_unit : Unit or string

By default, this is dB, but this allows one to use an equivalent unit such as 2 dB.