The simulation results show that high frequency harmonics will seriously affect the accuracy of ESG strapdown navigation system, so it must be compensated in the disturbing torque models.

• 仿真结果表明；现结构静电陀螺仪组成捷联系统；高次谐波将严重影响系统精度的提高；必须在干扰力矩模型中予以补偿.