目前关于车联网的技术处于快速发展阶段,通信场景仿真分析尤为重要。然而,在车联网场景中有大量的移动节点,这使得在真实环境中进行实验变得困难。为此提出以virtual test drive(VTD)软件作为仿真平台,测试在车联网仿真环境中支持加载...目前关于车联网的技术处于快速发展阶段,通信场景仿真分析尤为重要。然而,在车联网场景中有大量的移动节点,这使得在真实环境中进行实验变得困难。为此提出以virtual test drive(VTD)软件作为仿真平台,测试在车联网仿真环境中支持加载无线信道模型和编辑交通仿真场景,利用系统级仿真的方法输出5G网络和车联网网络对路面的覆盖情况并与实测环境进行仿真数据比对。仿真结果表明,车与基站通信(vehicle-to-network,V2N)得到的信噪比(signal-to-noise ratio,SNR)与参考信号接收功率(reference signal receiving power,RSRP)符合实测数据的预期,进而改善相较于传统车联网仿真在仿真测试与实际道路测试关联度较低的问题。展开更多
Airborne passive electronic reconnaissance equipment has developed rapidly during recent years.However,because of its expensive and unavailable military features,the simulation realization of these equipment needs to ...Airborne passive electronic reconnaissance equipment has developed rapidly during recent years.However,because of its expensive and unavailable military features,the simulation realization of these equipment needs to be solved.And the smaller the simulation particle is,the better the simulation system will be.In this study,a signal-level airborne electronic reconnaissance simulation system was built.Mathematical model and simulation realization of each part are introduced in this study.Focusing on the shortness of traditional signal sorting methods,we creatively proposed a presorting method based on the Euclidean distance inside signal flows.Simulation results show that the presorting method based on Euclidean distance successfully reduced the pressure on main sorting and appeared good for signal sorting.Simulation test results of each model built in this study are also shown in the study.This study provides a new thought on the realization of airborne electronic reconnaissance equipment and benefits the development of electronic countermeasure.展开更多
文摘目前关于车联网的技术处于快速发展阶段,通信场景仿真分析尤为重要。然而,在车联网场景中有大量的移动节点,这使得在真实环境中进行实验变得困难。为此提出以virtual test drive(VTD)软件作为仿真平台,测试在车联网仿真环境中支持加载无线信道模型和编辑交通仿真场景,利用系统级仿真的方法输出5G网络和车联网网络对路面的覆盖情况并与实测环境进行仿真数据比对。仿真结果表明,车与基站通信(vehicle-to-network,V2N)得到的信噪比(signal-to-noise ratio,SNR)与参考信号接收功率(reference signal receiving power,RSRP)符合实测数据的预期,进而改善相较于传统车联网仿真在仿真测试与实际道路测试关联度较低的问题。
文摘Airborne passive electronic reconnaissance equipment has developed rapidly during recent years.However,because of its expensive and unavailable military features,the simulation realization of these equipment needs to be solved.And the smaller the simulation particle is,the better the simulation system will be.In this study,a signal-level airborne electronic reconnaissance simulation system was built.Mathematical model and simulation realization of each part are introduced in this study.Focusing on the shortness of traditional signal sorting methods,we creatively proposed a presorting method based on the Euclidean distance inside signal flows.Simulation results show that the presorting method based on Euclidean distance successfully reduced the pressure on main sorting and appeared good for signal sorting.Simulation test results of each model built in this study are also shown in the study.This study provides a new thought on the realization of airborne electronic reconnaissance equipment and benefits the development of electronic countermeasure.
