fluctuation noise

fluctuation noise

[‚flək·chə′wā·shən ‚nȯiz]
(methematics)
References in periodicals archive ?
A more accurate description of real signals is given by A(t)sin([phi](t)), where A(t) is a fluctuating amplitude with AM noise and [phi](t) describes phase fluctuation noise with an average derivative that is called the center frequency.