瞬时超宽谱脉冲串产生方式

Generation technology of instant UWB multi-pulse

通过对国内外瞬时多脉冲产生技术的调研,结合超宽谱脉冲的特点,开展脉冲分割方式产生超宽谱多脉冲、形成线串联方式产生超宽谱多脉冲、多脉冲合成方式产生超宽谱多脉冲的技术研究,确定利用形成线串联方式产生超宽谱多脉冲的技术路线;对充电时间和开关电容等对产生多脉冲的影响因素进行分析和实验研究,改进了四脉冲形成线充电方式,完成超宽谱四脉冲产生实验装置的设计,在负载上获得瞬时超宽谱多脉冲,脉冲数4个,脉冲宽度3.5 ns,输出脉冲之间的间隔小于10 ns。

The generation of UWB（Ultra Wide-Band） multi-pulse is studied through the investigation, combined with the characteristics of UWB pulse. The technical research includes the UWB multi-pulse generation by the means of pulse sequence, forming line in series connection, and multi-pulse synthesis. The technical way of generating UWB instant multi-pulse by the means of forming line in series connection is confirmed. The effects of charging time and switched capacitor on multi-pulse generation are analyzed and the experiments are also conducted. The charging method of four-pulse forming line is improved. The design of experiment equipment used for the generation of UWB 4 pulses is completed. The UWB instant multi-pulse is obtained on the load, which have the characteristics of 4 pulses, pulse width of 3.5 ns, pulse interval below 10 ns.