Tag Archives: decibel

The decibel (dB)

eduinblog.com

The decibel (dB)   The decibel (dB) is a logarithmic unit used to express the ratio between two values of a physical quantity, often power orintensity. One of these quantities is often a reference value, and in this case the decibel can be used to express the absolute level of the physical quantity, as in the …

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