【作者】 张国伟； 王海洋； 陈维青； 王伟； 朱湘琴； 谢霖燊；

【Author】 ZHANG Guo-wei;WANG Hai-yang;CHEN Wei-qing;WANG Wei;ZHU Xiang-qin;XIE Lin-shen;State Key Laboratory of Intense Pulsed Radiation Simulation and Effect,Northwest Institute of Nuclear Technology;

【机构】 西北核技术研究所强脉冲辐射环境模拟与效应国家重点实验室；

【摘要】 实验研究了大尺寸TEM天线传输特性,天线长度60 m,宽度20 m,高度10 m,特征阻抗120Ω。脉冲源采用薄膜开关与天线一体化设计,输出电压幅值可达10 kV,上升上升沿约1.2 ns。实测了TEM天线内部的电场分布,研究了大尺寸TEM天线中电场分布规律。给出了脉冲上升沿与传输距离的关系、脉冲幅值与传输距离的关系。总结了快沿双指数波在天线中传输的高频损耗特性。更多还原

【Abstract】 The propagation properties of large size TEM antennas were studied by experiment.The size of the TEM antennas is 60 m×20 m×10 m and the character Impedance is 120 Ω..A kind of dielectric foil switch is designed compactly with TEM antennas which can generate double exponential waveform with altitude of 10 kV and rise time of 1.2 ns.The radiated field distribution was measured.The relationship between rise time/altitude and distance were provided,and the propagation properties of large size TEM antennas were summarized.更多还原