drift

drift: A comparatively long-term change in an attribute or value of a system or equipment operational parameter. (188) Note 1: The drift should be characterized, such as "diurnal frequency drift" and "output level drift." Note 2: Drift is usually undesirable and unidirectional, but may be bidirectional, cyclic, or of such long-term duration and low excursion rate as to be negligible.

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996