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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.
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Keywords:
- applied classical electromagnetism /
- electromagnetic wave propagation /
- microwave and radiowave instruments and equipment
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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 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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