In this paper,the simulation results show that the level damp of DINS can reduce the influence of the external velocity error,decrease damping time,and restrain the error of longitude effectively.

• 通过仿真分析,比较2套阻尼系统的误差结果,可以看出双惯导外水平阻尼能够显著降低外速度误差的影响,减少阻尼时间,抑制经度误差。