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从理论上分析了充放电时高功率微波(HPM)驱动源——水介质脉冲形成线(PFL)上的波过程,提出了形成线放电过程的等效分析方法,得到了输出脉冲波形平顶畸变与PFL充电电压波形的关系,并使用Pspice软件对等效分析的结果进行了模拟验证.开展了基于水介质脉冲形成线的高功率微波驱动源的实验研究,并依据等效分析法得出的结论,通过控制激光触发开关的导通时间,明显减小了输出脉冲波形平顶的畸变,得到了幅值数百kV、脉宽约150ns、平顶约60ns的脉冲电压.
The wave process of high power microwave (HPM) driving source - aqueous medium pulse forming line (PFL) is theoretically analyzed and an equivalent analytical method of forming the line discharge process is proposed. The output pulse waveform of flat top Distortion and PFL charging voltage waveform, and using Pspice software to verify the results of the equivalent analysis.Experimental research on high power microwave driving source based on pulse formation line of water medium was carried out, and based on the equivalent analysis In conclusion, by controlling the turn-on time of the laser trigger switch, the distortion of the flat top of the output pulse waveform is obviously reduced, and the pulse voltage of several hundreds of kV, pulse width of about 150ns and flat top of about 60ns is obtained.