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利用时域积分方程对电磁脉冲模拟器在瞬态电磁场激励下的空间场分布进行了数值模拟，给出了模拟器内部场的建立情况及分布规律。结果表明：过渡段与工作段连结处的电流不连续性将引起场波形的畸变；电流的前向辐射是场的主要贡献者，水平电场分量的幅值非常小，电磁脉冲模拟器场的传播具有准横电磁波的特性。
The time domain integral equation is used to simulate the spatial distribution of the electromagnetic pulse simulator under transient electromagnetic field excitation. The establishment and distribution of the internal field of the simulator are given. The results show that the discontinuity of the current at the junction between the transition section and the working section will cause the distortion of the field waveform. The forward current of the current is the main contributor to the field, the amplitude of the horizontal electric field component is very small, and the propagation of the electromagnetic pulse simulator field With the characteristics of semi-horizontal electromagnetic waves.