Non-stochastic error characters and error sources of a typical kind of MEMS gyroscope in structures and Comb-drive Tuning Fork Gyroscope (TFG) are researched.

• 综合考虑梳状音叉MEMS陀螺质心偏移、硅的非等弹性等因素，分析该陀螺中的非随机性干扰力矩；