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本文用磁流体力学的方法研究了等离子体环境下圆柱体开槽天线的辐射问题,推导了槽天线的方向图和阻抗的计算公式,计算了不同等离子体参量的横槽的方向图,并且把计算的结果与用不考虑纵波影响的复介电常数方法得到的结果进行了比较。
In this paper, the problem of radiation of cylinder slotted antenna under plasma environment is studied by using the method of magnetohydrodynamics. The calculation formulas of the direction and impedance of the slot antenna are deduced. The horizontal grooves of different plasma parameters are calculated. The calculated results are compared with those obtained by the method of complex permittivity that does not consider the influence of longitudinal waves.