Chin. Phys. Lett.  2008, Vol. 25 Issue (10): 3712-3715    DOI:
Original Articles |
Numerical Simulation of Plasma Antenna with FDTD Method
LIANG Chao, XU Yue-Min, WANG Zhi-Jiang
Center for Space Science and Applied Research, Chinese Academy of Science, Beijing 100190
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LIANG Chao, XU Yue-Min, WANG Zhi-Jiang 2008 Chin. Phys. Lett. 25 3712-3715
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Abstract We adopt cylindrical-coordinate FDTD algorithm to simulate and analyse a 0.4-m-long column configuration plasma antenna. FDTD method is useful for solving electromagnetic problems, especially when wave characteristics and plasma properties are self-consistently related to each other. Focus on the frequency from 75MHz to 400MHz, the input impedance and radiation efficiency of plasma antennas are computed. Numerical results show that, different from copper antenna, the characteristics of plasma antenna vary simultaneously with plasma frequency and collision frequency. The property can be used to construct dynamically reconfigurable antenna. The investigation is meaningful and instructional for the optimization of plasma antenna design.
Keywords: 52.25.Os      52.40.Fd     
Received: 15 July 2008      Published: 26 September 2008
PACS:  52.25.Os (Emission, absorption, and scattering of electromagnetic radiation ?)  
  52.40.Fd (Plasma interactions with antennas; plasma-filled waveguides)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I10/03712
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LIANG Chao
XU Yue-Min
WANG Zhi-Jiang
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