多层卫星网络管理策略的研究

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1、上海交通大学硕士学位论文图录图1-1卫星通信系统的轨道高度·················································································10图1-2多层卫星网络模型·····························································································14图1-3铱星系统中不同的路由协议收敛速度··················

2、···········································16图2-1极轨星座的北极视图·························································································22图2-2铱星系统····································································································

3、·········23图2-3DELTA星座和玫瑰星座························································································24图2-4覆盖示意图·········································································································25图2-5覆盖半面角与轨道高度的关系曲线·····

4、···························································25图2-6星地最长距离与轨道高度的关系曲线·····························································26图2-7LEO层星座架构图······························································································27图2-8

5、传统覆盖分域管理示意图·················································································27图2-9轨道倾角不同时的管理距离变化·····································································30图2-10新型的多层卫星网络架构··························································

6、·····················30图2-11管理轨道中的备份卫星···················································································31图2-12备份管理轨道···································································································32图3-1物理域范围·············

7、····························································································37图3-2LEO层星座平面图······························································································40图3-3路由收敛流程图···········································

8、······················································45图3-4数据包转发流程·································································································47图4-1LEO卫星层3D仿真场景···················