# DecibelUnit¶

class astropy.units.function.DecibelUnit(physical_unit=None, function_unit=None)[source]

Logarithmic physical units expressed in dB

Parameters
physical_unit

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

function_unit

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