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微波谐振器系统的调谐实验研究

石峰 杨涓 汤明杰 罗立涛 王与权

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微波谐振器系统的调谐实验研究

石峰, 杨涓, 汤明杰, 罗立涛, 王与权
cstr: 32037.14.aps.63.154103

Resonance experiment on a microwave resonator system

Shi Feng, Yang Juan, Tang Ming-Jie, Luo Li-Tao, Wang Yu-Quan
cstr: 32037.14.aps.63.154103
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  • 圆台谐振腔和微波产生及传输装置可以形成一套和外界独立的微波谐振器系统. 由于壁面上电磁压强差的作用,圆台谐振腔可能产生净电磁力,这需要从实验上给予证明. 为此首先应对独立的微波谐振器系统进行调谐实验研究,使系统时刻处于谐振状态,这是实验证明净电磁力存在的重要保证. 为此,本文对圆台谐振腔进行低信号调谐实验,同时配合调谐元件,准确地调试2.45 GHz频率下的谐振状态,分析温度对谐振状态的影响. 实验结果表明该微波谐振器谐振频率2.44895 GHz、品质因数117495.0823,而且当腔体壁温升高时谐振频率减小、品质因数出现周期性振荡.
    A microwave resonator system is made, which has a tapered resonant cavity, a microwave source, and a transmission device. Because of the electromagnetic pressure gradient on the tapered resonant cavity, a net electromagnetic force along the axis of the cavity may be observed, which is needed to verify experimentally the use of the independent microwave resonator system. It is also needed to keep the independent microwave resonator system in resonating state, which is the important procedure to demonstrate the possibility of net electromagnetic force. Thus, a low-signal resonating experiment on the tapered resonant cavity combined with resonating parts is completed to accurately find out the resonant frequency of 2.45 GHz and to analyze the influence of temperature on the resonant state. Experimental result shows that the resonant frequency and quality factor of the independent microwave resonator system are 2.44895 GHz and 117495.08 respectively. When the temperature of the tapered resonant cavity wall rises, the resonant frequency will be decreased and the quality factor changed separately.
    • 基金项目: 国家自然科学基金(批准号:90716019)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 90716019).
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    Li S F, Li C R, Song C L 2013 Fundamental Course of Optical Waveguide Theory, (Beijign:Publishing Hourse of Electronics Industry) (in Chinese) [李淑凤, 李成仁, 宋昌烈2013光波导理论基础教程(北京: 电子工业出版社)]

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  • [1]

    Geoffrey A. Landis 2000 Microwave Pushed Interstellar Sail: Starwisp Revisited, AIAA 3337

    [2]
    [3]

    Nakagawa T, Mihara Y, Komurasaki K, Takahashi K, Sakamoto K, Imai T 2004 J. Spacecraft and Rockets 41 151

    [4]

    Yang J, Li P F, Yang L 2011 Acta Phys. Sin. 60 124101 (in Chinese) [杨涓, 李鹏飞, 杨乐 2011 物理学报 60 124101]

    [5]
    [6]
    [7]

    Yang J, Wang Y Q, Ma Y J, Li P F, Yang L, Wang Y, He G Q 2013 Chin. Phys. B 22 050301

    [8]

    Yang J, Yang L, Zhu Y 2010 J. Northwestern Polytechnic University 28 807 (in Chinese) [杨涓, 杨乐, 朱雨2010西北工业大学学报28 807]

    [9]
    [10]
    [11]

    Qiu X M, Tang D L, Sun A P, Liu W D, Zeng X J 2007 Chin. Phys. B 16 196

    [12]
    [13]

    Liao C En 1994 Basic Technology of Microwave (Xi'an: Xidian University Press) (in Chinese) [廖承恩1994微波技术基础(西安: 西安电子科技大学出版社)]

    [14]

    Li S F, Li C R, Song C L 2013 Fundamental Course of Optical Waveguide Theory, (Beijign:Publishing Hourse of Electronics Industry) (in Chinese) [李淑凤, 李成仁, 宋昌烈2013光波导理论基础教程(北京: 电子工业出版社)]

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计量
  • 文章访问数:  11486
  • PDF下载量:  3194
  • 被引次数: 0
出版历程
  • 收稿日期:  2014-01-09
  • 修回日期:  2014-03-18
  • 刊出日期:  2014-08-05

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