不对称结构的分布式负载有界波电磁脉冲模拟器
Design and construction of an asymmetrical bounded wave EMP simulator with distributed terminators
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摘要: 设计、建造了一台不对称结构、分布式负载有界波电磁脉冲（EMP）模拟器（MDES-60）。模拟器平行极板间区域长5 m，宽2 m，高1 m。测试结果显示模拟器工作空间电场幅值分布均匀、波形后沿基本无反射。表明通过缩小前过渡段的锥角、加宽下极板调整特性阻抗及采用分布式负载等措施取得了很好效果。配套不同的脉冲源，该模拟器可模拟IEC61000-2-9、Bell实验室、1976年出版物等多种脉宽标准的EMP波形，场强幅度范围15~60 kV/m，可用于短线缆响应实验或小型电子设备的考核效应实验。
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关键词:
- 有界波电磁脉冲模拟器 /
- 分布式负载 /
- 不对称结构 /
- 电磁脉冲波形标准
Abstract: An asymmetrical flat-plate guided-wave EMP simulator (MDES-60) with distributed terminators, which is mainly used for short-line test, has been designed and constructed. The volume between two parallel plates is 5 m long, 2 m wide and 1 m high. The whole simulator positioned above a concrete support is 1.5 m high. The design has been optimized by means of reducing the obliquity, widening the bottom plate and tuning the distributed terminator. The improvements allow a good E-field shape and uniformity inside the working volume. This simulator can simulate several kinds of EMP waveforms as defined by IEC61000-2-9, Bell laboratory and standard in 1976 publication, with the peak E-field strengths of 15~60 kV/m available, when being energized by corresponding transient pulse source. -
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