Influence of a random frequency pedestal in a ring laser on the accuracy of rotation measurements

A theoretical analysis is made of the accuracy of measurements of rotation in an inertial space using ring lasers. The main source of error is assumed to be random components of frequency pedestals. An analysis is made of the dependence of the error on the angular velocity vector as a function of time. Approximate equations are derived for the diffusion coefficients in the diffusion-like time dependence of the error variance.