A Frequency-Agile Relativistic Magnetron With Axial Tuning

A Frequency-Agile Relativistic Magnetron With Axial Tuning
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具有轴向调谐的捷变频相对论磁控管

DOI:
10.1109/led.2020.2984096
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发表时间:
2020-05
影响因子:
4.9
通讯作者:
Dong Wang
Dong Wang
中科院分区:
工程技术2区
文献类型:
--
作者:
Fen Qin;Yong Zhang;Sha Xu;Lu-Rong Lei;Bin-Quan Ju;Dong Wang

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提出了一种具有轴向调谐的频率捷变相对论磁控管。为了实现轴向调谐,引入了凹腔,该凹腔具有通过耦合孔连接的两个径向部分。该腔体结构的谐振频率可以通过调整每个耦合孔的轴向长度来调节,而无需改变其他参数。多天线输出技术与凹腔链相结合,在整个调谐范围内获得高转换效率。仿真结果表明,该管的调谐范围在1.23 GHz至1.70 GHz之间,对应于中心频率1.465 GHz的相对带宽为32%。在此调谐范围内,1.605 GHz 时的最大输出功率为 1.81 GW,对应的效率为 54.5%。这种轴向调谐 RM 是一种有前途的紧凑型高功率微波源,具有宽调谐范围。
A frequency-agile relativistic magnetron with axial tuning is presented. To achieve axial tuning, reentrant cavity which has two radial parts connected by a coupling hole had been introduced. Resonant frequency of this cavity configuration can be tuned by adjusting the axial length of each coupling hole without any variation of other parameters. Multi-antenna output technique had been integrated with the reentrant cavity chain to obtain high conversion efficiency in the whole tuning range. Simulation results showed that this tube had a tuning range between 1.23 GHz to 1.70 GHz, corresponding to relative bandwidth of 32% about a center frequency of 1.465 GHz. In this tuning range, the maximum output power is 1.81 GW at 1.605 GHz, corresponding to an efficiency of 54.5%. This axial tuning RM is a promising compact high power microwave source with wide tuning range.
具有较低输出模式的紧凑型相对论磁控管
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