Secondly, by taking the simulation system of a typical S-band TT &C station as an example, it is analyzed the current status of GSTN and studied the problem that simulation reliability is low.

• 其次以测控站S频段仿真系统为例,分析了陆基S频段测控网仿真应用的现状,指出了存在置信度偏低等问题;