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94GHz径向螺旋波导行波管研究

, PP. 1227-1229

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Abstract:

提出了一种具有工作电压小、结构紧凑、散热性好等特点的新型慢波结构——径向螺旋波导结构,利用电磁仿真软件分析了其色散及传输特性,结果表明该种结构行波管工作电压可低至数百伏.由于圆柱电子枪发射面远大于常规行波管,因而在小电流密度下仍可保证大电流电流密度为100mA/cm2时电流可达30A.该结构在W波段具有较大的尺寸,易于加工,并且在更高波段同样具有很好的传输特性,具有较大的研究价值.

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