TOTAL HARMONIC DISTORTION (THD)


Meaning of TOTAL HARMONIC DISTORTION (THD) in English

Of a signal , the ratio of (a) the sum of the powers of all harmonic frequencies above the fundamental frequency to (b) the power of the fundamental frequency. Note 1: The THD is usually expressed in dB . Note 2: Measurements for calculating the THD are made at the output of a device under specified conditions. ( 188 )

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.