Meaning of PHASE NOISE in English

PHASE NOISE

In an oscillator , rapid, short-term, random fluctuations in the phase of a wave, caused by time - domain instabilities. Note: Phase noise , in decibels relative to carrier power ( dBc ) on a 1-Hz bandwidth , is given by = 10log[0.5( S ( f ))] where S ( f ) is the spectral density of phase fluctuations.

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