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高功率S波段注入锁定频控功率源研究

刘臻龙

刘臻龙. 高功率S波段注入锁定频控功率源研究[J]. 强激光与粒子束. doi: 10.11884/HPLPB202436.240147
引用本文: 刘臻龙. 高功率S波段注入锁定频控功率源研究[J]. 强激光与粒子束. doi: 10.11884/HPLPB202436.240147
Liu Zhenlong. Study on high-power S-band frequency-controlled microwave source based on injection locking[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202436.240147
Citation: Liu Zhenlong. Study on high-power S-band frequency-controlled microwave source based on injection locking[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202436.240147

高功率S波段注入锁定频控功率源研究

doi: 10.11884/HPLPB202436.240147
基金项目: 国家核高基项目(2009ZYHW0022);国家自然科学基金项目(NFSC 62101366, NFSC 62071316);国家973计划(2013CB328902)
详细信息
    作者简介:

    刘臻龙,zhenlong_liu@foxmail.com

  • 中图分类号: TN123

Study on high-power S-band frequency-controlled microwave source based on injection locking

  • 摘要: 针对高功率微波源在深空通信、空间无线能量传输和高功率超导线性加速器等应用中的实时功率控制难题,提出了一种利用注入锁定频率控制输出功率的方法。从理论上分析了注入锁定频控功率源的可行性,并基于双路S波段20 kW高功率磁控管完成了注入锁定频率控制输出功率的实验。实验结果表明,当双路20 kW磁控管的自由振荡频率或注入功率不同时,双管合成的输出功率可通过注入频率实现有效控制,功率控制的范围达到了3 dB,注入锁定的带宽达到了4.0 MHz,输出频谱尖锐,无啁啾颤噪,杂散抑制比为−65.0 dBc@500 kHz。该系统合成输出功率达到了33.9 kW,系统效率约为86.6%。上述研究结果为磁控管在高功率微波领域的应用起到了重大推动作用。
  • 图  1  H-T功率合成器

    Figure  1.  H-T power combiner

    图  2  H-T功率合成器S参数

    Figure  2.  The S parameters of H-T power combiner

    图  3  20 kW等功率合成电场分布图

    Figure  3.  The E-field distributions of H-T power combiner under 20 kW power signals excitation

    图  4  S波段注入锁定频控功率源原理框图

    Figure  4.  Diagrams of the S-band frequency-controlled microwave source based on injection locking

    图  5  不同情况下频控功率源的测试结果

    Figure  5.  Results of the frequency-controlled microwave source at different states

    图  6  频控功率源在不同状态下的输出频谱图(RBW: 50 kHz, VBW: 50 kHz, SPAN: 15 MHz)

    Figure  6.  Spectrums of the frequency-controlled microwave source output at different states (RBW: 50 kHz, VBW: 50 kHz, SPAN: 15 MHz)

    表  1  磁控管的两种初始状态Tabble1 The original states of magnetrons

    state free-running
    frequencies
    ω/GHz
    output power
    Pmag/kW
    incident power
    of H-T combiner
    PH-T/kW
    coupling
    power
    Pξ/W
    mutual injection-locking
    frequency
    ωfinal/GHz
    output
    power
    Ptotal/kW
    combining
    efficiency
    ηc/%
    state 1 2.4475 19.9 18.1 107.9 2.4465 32.1 89.4
    2.4480 19.3 17.8 156.0
    state 2 2.4470 17.4 15.8 200.0 2.4460 25.9 82.4
    2.4482 17.6 15.6 183.5
    下载: 导出CSV
  • [1] 陈潇杰, 刘臻龙, 刘长军. 用于微放电测试的S波段注入锁频磁控管试验研究[J]. 中国空间科学技术, 2017, 37(2):96-102

    Chen Xiaojie, Liu Zhenlong, Liu Changjun. Experimental research on an S-band inject-locking magnetron for multipactor discharge test[J]. Chinese Space Science and Technology, 2017, 37(2): 96-102
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    [5] Liu Zhenlong, Chen Xiaojie, Yang Menglin, et al. Experimental studies on a low power injection-locked continuous wave magnetron[C]//Proceedings of 2017 IEEE MTT-S International Microwave Symposium (IMS). 2017: 451-454.
    [6] 魏惠月. L波段磁控管锁相及功率合成技术研究[D]. 成都: 电子科技大学, 2011

    Wei Huiyue. The investigation of L-band phase-locking magnetrons and power combination technique[D]. Chengdu: University of Electronic Science and Technology of China, 2011
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    [9] 刘臻龙, 唐正明, 刘长军. 20 kW 磁控管频率推移特性的功率合成实验研究[J]. 应用科技, 2022, 49(1):90-93,110

    Liu Zhenlong, Tang Zhengming, Liu Changjun. Study on the power synthesis system of 20 kW magnetrons based on frequency pushing[J]. Applied Science and Technology, 2022, 49(1): 90-93,110
    [10] 党章, 黄建, 邹涌泉, 等. Ku频段高效50W连续波空间功率合成放大器[J]. 电讯技术, 2009, 49(9): 71-74

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    [11] Lai Chao, Zhao Chaoxia, Li Kang, et al. Highly efficient microwave power system of magnetrons utilizing frequency-searching injection-locking technique with no phase shifter[J]. IEEE Transactions on Microwave Theory and Techniques, 2020, 68(10): 4424-4432. doi: 10.1109/TMTT.2020.3006488
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    Yang Yonghui, Zheng Guiqiang. 2 kW continuous wave power combining technique in S band[J]. High Power Laser and Particle Beams, 2007, 19(1): 95-98
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出版历程
  • 收稿日期:  2024-05-12
  • 修回日期:  2024-06-23
  • 录用日期:  2024-06-20
  • 网络出版日期:  2024-07-02

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