The performance evaluation on a triple layered LEO/MEO/GEO satellite network is carried out by Petri Net based analysis and software simulation.

• 基于Petri网模型方法和仿真方法 ；对一种低轨 /中轨 /同步地球轨 (LEO/MEO/GEO)三层卫星网络进行了性能分析 .