Abstract
该文针对工作在TM310模的多注速调管同轴输出腔中工作模式的场分布均匀性、外观品质因数及其与邻近模式的频率间隔等问题进行了研究，提出了一种带有短路杆和金属环的多注速调管同轴输出腔结构。分析发现，适当设置短路杆和金属环不仅可以使外观品质因数降低，还可以改善工作模式的场分布；而且设置金属环还可以增大TM310模和邻近模式的频率间隔以实现抑制杂模。利用仿真软件对X波段的同轴输出腔进行了模拟计算，计算结果与理论分析一致。在此基础上加工了冷测模型，测试结果表明TM310模与邻近模式的频率间隔均达到了1.2 GHz以上，外观品质因数从507.4降至193.5，工作模式的场分布也变得均匀。
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