摘要:
宽带强电磁脉冲是高功率微波技术近年来的主要发展方向之一,由于模拟器可用于强电磁辐射环境模拟,开展强电磁脉冲效应与防护研究,所以取得了快速发展.对宽带强电磁脉冲模拟器的研究现状进行了介绍,分析模拟器在工作频段和技术体制方面存在的共性,并结合研究需求,设计了一种宽带强电磁脉冲模拟器,该模拟器采用Marx发生器直接驱动高功率宽带天线的方式,实验结果显示该模拟器的远场辐射因子可达224 kV,辐射中心频率215 MHz,带宽可达32％,为宽带强电磁脉冲模拟技术的发展、科学研究提供了参考依据和试验条件.
Abstract:
The mesoband high power electromagnetic pulse is a main development direction of high power microwave technology in recent years,the simulator can be used in the research of radiation environment simulation and effect study of high power electromagnetic pulse.This paper reports the survey of the mesoband high power electromagnetic pulse simulator and the common characteristics of the simulator in the working frequency and technical mode.A mesoband high power electromagnetic pulse is described,in the design,the mesoband antenna can be driven by a Marx generator directly.According to the experimental results of the simulator,the wide spectrum radiation factor is 224 kV,the repetition frequency is 40 Hz,the center radiation frequency is 215 MHz,and the spectrum width is 32％.It is concluded that the design requirement is well satisfied,the simulator can provide reference and test foundation for further development and scientific research.
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