The scheme and model and arithmetic of INS/GPS/Bei-Dou/ADS is simulated and the feasibility of the scheme is validated. Some of the key problems in GPS and Bei-Dou switch are analyzed.

• 对SINS/GPS/北斗/ADS组合导航的总体方案、模型和算法进行了仿真,分析了方案的可行性,并对GPS与北斗切换等关键问题进行了分析。