电磁脉冲辐射场试验技术
Test technique under radiated-wave electromagnetic pulse simulator
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摘要: 针对电磁脉冲辐射场试验的特点和参试电子设备对辐射场试验的需求，介绍了利用辐射波电磁脉冲模拟器进行效应试验过程中，总触发信号、环境场监测信号等的选取原则及获取方法。结合电磁脉冲孔缝耦合效应和穿透耦合效应，分析了试验状态设置在辐射场试验中的重要性。测量结果表明：所给出的总触发信号具有信号稳定、幅值大、到达时刻可以精确计算的特点，适合作为触发信号，用于记录设备的触发；所给出的环境场监测信号具有波形特性好、幅值适中、易于读数等特点，适合作为基准波形，用于对环境场变化的监测和归一化处理。
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关键词:
- 电磁脉冲 /
- 辐射波电磁脉冲模拟器 /
- 试验技术 /
- 触发信号
Abstract: The choice principle and obtaining method were presented for the trigger signal and surrounding electric-field inspecting signal, based on the characteristics of the radiated-wave electromagnetic pulse(EMP) simulator test and the need of the equipment under test. The test state of equipment was analyzed combining EMP coupling effects and skin effects. The experimental results show that the chosed trigger signal is stable with a large magnitude,and the arrival time of the signal can be calculated accurately. It is suitable to trigger oscilloscopes. The results also indicate that the chosed inspecting signal has a good waveform with a magnitude. It could be the reference for the surveillance and normalization of the variation of surrounding electric-field and other signals．-
Key words:
- electromagnetic pulse /
- radiated-wave emp simulator /
- test technique /
- trigger signal
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