The five common power-law noise processes in precision
oscillators are:
(White PM)
(Flicker PM)
(White FM)
(Flicker FM)
(Random-walk FM)
4-31
Frequency - Phase - Time Relationships
S. R. Stein,
"Frequency and Time - Their Measurement and Characterization," in
E. A. Gerber and A. Ballato, Precision Frequency Control, Vol. 2, pp.
191-232, Academic Press, 1985.