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根据角向分区产生双频率高功率微波(HPM)的设计思路,开展了基于谐振腔深度角向分区模型的L波段双频磁绝缘线振荡器(BFMILO)的实验研究,建立了BFMILO的实验系统和测量系统,热测了BFMILO的辐射方向图,通过辐射场功率密度积分得到了输出微波的功率.在电子束电压约为420 kV,管电流约为34 kA的条件下,L波段BFMILO输出的微波频率分别为1.26 GHz和1.45 GHz,对应的微波功率分别为398 MW和222 MW.并初步得到了谐振腔深度的角向分区比例不同的BFMILO的初步实验结果.实验研究得到了稳定的双频率HPM,成功地研制出了L波段BFMILO,实验与理论研究的结果比较一致,验证了BFMILO产生稳定的HPM的可行性,为双频HPM器件研究探索出一个新方向.
According to the design idea of dual-frequency high-power microwave (HPM) based on angular partitioning, an experimental study of L-band dual frequency magneto-insulated wire oscillator (BFMILO) based on the angular cavity partitioning of resonator depth was carried out. A BFMILO experimental system And the measurement system, the radiation pattern of BFMILO was measured by thermal measurement, and the power of the output microwave was obtained by integrating the power density of radiation field.When the electron beam voltage is about 420 kV and the tube current is about 34 kA, The microwave frequencies are 1.26 GHz and 1.45 GHz respectively, and the corresponding microwave powers are 398 MW and 222 MW, respectively. Preliminary results of BFMILO with different angular partition ratios of cavity depths are obtained preliminarily. The stable dual frequency HPM successfully developed the L-band BFMILO. The experimental and theoretical research results are consistent. The feasibility of BFMILO to generate a stable HPM is verified. A new direction for the study of dual-frequency HPM devices is explored.