In this thesis, we reported a reconfigure antenna that is able to radiate different topologies of radiation pattern.
在这篇论文中，我们提出一种可动态辐射不同增益场型的天线系统。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。
Using the moment method, the antenna and surface currents of aircraft are calculated. Finally, the radiation pattern of a D-type-no-man aircraft is induced.
用矩量法计算了飞机天线及其机身表面的电流分布，推导了飞机天线的辐射方向图。
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