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介绍了一种高功率微波在波导内击穿光电诊断测量装置 ,测得了大气击穿的光电信号 ,获得了 HPM击穿形成的等离子体衰减常数 ,对击穿点向源方向移动的猜想进行了实验验证。同时进行了短脉冲 HPM在自由空间击穿实验 ,获得了 HPM在自由空间击穿的系统光学图像 ,分析了击穿的放电特征。
A diagnostic and measuring device for high-power microwave breakdown in a waveguide is introduced. The atmospheric breakdown signal is measured and the plasma attenuation constant obtained by HPM breakdown is obtained. The conjecture that the breakdown point moves to the source direction Experimental verification. At the same time, short pulse HPM experiments in free space were carried out. The system optical images of HPM breakdown in free space were obtained, and the discharge characteristics of breakdown were analyzed.