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In this paper, the effect of the gases absorbed on the surface of the RBWO high-frequency structure and the background gases inside the system on the pulse duration of high power microwave is analyzed. To simulate the plasmas originating from the ionized gases, a PIC model is studied. Simulation results show that the microwave power declines and the pulse-duration decreases with plasma filled in the...
Frequency agility is necessary for many applications of high-power microwave sources. To expand the frequency-tuning bandwidth of the backward-wave oscillator (BWO) with an extracting cavity while holding high efficiency and less amplitude fluctuation, a dual-mechanical tuning method by changing the drift length and the cavity length in synchronism is investigated in this paper. A bandwidth of about...
Frequency agility is necessary for many applications of high power microwave sources. To expand the frequency tuning bandwidth of the BWO with an extracting cavity while holding a high efficiency and a less amplitude fluctuation, a dual-mechanical tuning method by changing the drift length and the cavity length in synchronism is investigated in this paper. A bandwidth of about 750MHz around 9.6GHz...
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