快沿电磁脉冲模拟器内部垂直极化场分布仿真研究
Simulation study on vertical field distribution of EMP simulator with fast risetime
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摘要: 采用基于矩量法电磁仿真软件FEKO，对快沿电磁脉冲模拟器内部电场进行数值计算。分析仿真结果，得出了模拟器内部垂直极化电场的分布规律。仿真结果表明：从不同高度中心到边缘的场强变化趋势来看，最接近上传输线的位置为振荡，接近上下传输线的位置是先增大后减小，其余区域为单调减小；模拟器内部垂直极化场的±10%均匀场区域为模拟器传输线空间处于高度的20%~85%，宽度的80%（自中心算起）区域，接近下传输线位置的高度的20%以下，宽度的30%以内（自中心算起）。Abstract: The inner electric field of EMP simulator with fast rise-time is studied using FEKO which is based on Method of moments(MOM). The simulation result is analyzed and the distribution law of vertical electric field is deduced. The result shows that: (1) the changing trend from center to edge of different level differs in three part, concussion very near the upper transmission line, increasing at first and then decreasing near upper and lower lines, and monotone decreasing other part; (2) the ±10% uniform field area of inner simulator is formed of two parts: one is the area with height of 20% to 85% and width of 80% from the center, the other is the area with height below 20% and width of 30% from the center.
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Key words:
- fast risetime emp /
- method of moments /
- transmission line /
- bounded-wave /
- simulator
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