中文说明：
采用matlab/simulink仿真环境建立捷联惯导系统的垂向通道仿真模型，利用高度气压计进行增稳仿真，取得良好的高度通道稳定的效果。
English Description：
The vertical channel simulation model of strapdown inertial navigation system is established by using Matlab / Simulink simulation environment, and the stability enhancement simulation is carried out by using altitude barometer, which achieves a good effect of altitude channel stability