小型超宽谱高功率微波辐射系统

摘要

A compact ultra wide spectrum high power microwave radiation system made up of 100 kV nanosecond pulse generator,subnanosecond gas switch and TEM horn antenna is designed.The output voltage waveform of the pulse generator is a pulse with a rising time of 280 ps,a decaying time of 180 ps and a peak amplitude of 100 kV.The system can work at 100 Hz repetition rate and the peak radiating field on boresight is about 10 kV/m at the distance of 7.5 m.The-3 dB bandwidth of the radiated field is from 230 MHz to 810 MHz and-20 dB bandwidth is from 100 MHz to 1.3 GHz.The system with small volume of 80 cm×50 cm×26 cm and the weight of 45 kg is expected to find many applications in areas of high power microwave.%小型超宽谱高功率微波辐射系统由Tesla型100 kV级ns脉冲源、Peaking-Chopping型亚纳秒气体开关及TEM喇叭天线构成.系统重复运行频率100 Hz,辐射因子rEp值75 kV,主轴辐射场中心频率520 MHz,-3 dB频谱范围230～810 MHz.系统集成于一便携箱内,体积为80 cm×50 cm×26 cm,质量约45kg.该系统结构紧凑,能够快速展开和撤收,可方便用于超宽谱高功率微波应用技术研究.