Aiming at the problem that the energy or power criterion can't truly reflect high power microwave (HPM) jamming effect, a method based on time domain difference for jamming effect evaluation of HPM to radio fuse was brought out.The method established finite difference model in time domain for inertial time circuit to get the time domain output results of the fuse circuit.The simulation results showed that HPM jamming effect evaluation based on time domain difference method can truly reflect the high power and short pulse characteristics of HPM.%针对能量或功率准则不能真实反映HPM干扰效果的问题,提出了基于时域差分的无线电引信高功率微波干扰效果评估方法.该方法通过建立惯性时间电路的时域差分模型来得到引信电路的时域输出结果.仿真结果表明,基于时域差分的HPM干扰效果评估方法能真实地反映HPM的高功率、短脉冲特性.
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